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Pr Vs Fptp Essay Writer

MMP Leads to More Women MPs

Why We Need More Women in Parliament

Understanding Why More Women Get Elected Through MMP

Projected Increase in Women MPs Under MMP

Understanding Party Lists

The Electoral System Matters

Academic studies have consistently shown that countries with any type of proportional representation system tend to have a substantially larger proportion of women in their national legislatures as compared to countries with single-member district systems (like the one we have in Ontario). Many studies have been conducted on this question specifically and the results are extremely clear.1 The table below speaks for itself.

The classic example of how a Mixed Member Proportional Representation system (MMP) helps elect more women is Germany. In their system, half of the Bundestag is elected using First-Past-The-Post (FPTP) and the other half is elected through a Proportional Representation (PR) system. The proportional representation part of the vote resulted in twice as many women being elected as the FPTP part of the vote.2 In New Zealand, before they instituted MMP, 20% of the seats were held by women. By 2005 election, women held 32% of the seats.

 Rank

Country

% Women

Voting System

1

Rwanda

48.8

53 Proportional Representation+ 24 Provincial Council Election+ 3 appointed

2

Sweden

47.3

Proportional Representation

3

Finland

42.0

Proportional Representation

4

Costa Rica

 38.6

Proportional Representation

5

 Norway

37.9

Proportional Representation

6

 Denmark

 36.9

Proportional Representation

7

 Netherlands

 36.7

Proportional Representation

8

Spain

36.0

Proportional Representation

9

 Argentina

35.0

Proportional Representation

10

Mozambique

 34.8

Proportional Representation

11

Belgium

34.7

Proportional Representation

12

South Africa

32.8

Proportional Representation

 13

 Austria

 32.2

 Proportional Representation

14

New Zealand

32.2

Mixed Member Proportional

15

Iceland

31.7

Proportional Representation

16

Germany

31.6

Mixed Member Proportional

17

Burundi

30.5

Proportional Representation

18

Tanzania

30.4

Plurality (First-Past-the-Post)

19

Uganda

29.8

Plurality (First-Past-the-Post)

20

 Peru

 29.2

 Proportional Representation

48

Canada

20.8

Plurality (First-Past-the-Post)

* I have removed Cuba from the list because it scored more than 5 on Freedom House’s Political Rights scale.

The Effect of PR Systems over Time

We can also see in the table below that countries which had PR systems increased their percentage of nationally elected women much more dramatically than FPTP countries over time.

* From Matland, R.E. and D.T. Studlar, The contagion of women candidates in single-member district and proportional representation electoral systems: Canada and Norway. Journal of Politics, 1996. 58(3): p. 707-733.

1 See Duverger, Maurice. 1955. The Political Role of Women. Paris: UNESCO; Lakeman, Enid. 1970. How Democracies Vote. London: Faber; Castles, Francis. 1981. “Female Legislative Representation and the Electoral System.” Politics 1: 21-26; Rule, Wilma. 1981. “Why Women Don’t Run: The Critical Contextual Factors in Women’s Representation.” Western Political Quarterly 34:60-77; Rule, Wilma. 1987. “Electoral Systems, Contextual Factors and Women’s Opportunity for Election to Parliament in Twenty-Three Democracies.” Western Political Quarterly 40: 477-498; Norris, Pippa. 1985. “Women’s Legislative Representation in Western Europe.” West European Polittcs 8:90-101; Norris, Pippa. 1987. Polttics and Sexual Equality. Boulder, CO: Rienner.

2 Lancaster, Thomas D., and Rebecca Davis. 1992. “European Electoral Structures and Women’s Political Participation: A Comparative Study in the Federal Republic of Germany.” Presented at annual meeting of the Midwest Political Science Association, Chicago.

Part of the Politics series
Electoral systems

Other systems & related theory

Politics portal

Proportional representation (PR) characterizes electoral systems by which divisions in an electorate are reflected proportionately in the elected body.[1] If n% of the electorate support a particular political party, then roughly n% of seats will be won by that party.[2] The essence of such systems is that all votes contribute to the result: not just a plurality, or a bare majority, of them. The most prevalent forms of proportional representation all require the use of multiple-member voting districts (also called super-districts), as it is not possible to fill a single seat in a proportional manner. In fact, the implementations of PR that achieve the highest levels of proportionality tend to include districts with large numbers of seats.[3]

The most widely used families of PR electoral systems are party list PR, the single transferable vote (STV), and mixed member proportional representation (MMP).[4]

With party list PR, political parties define candidate lists and voters vote for a list. The relative vote for each list determines how many candidates from each list are actually elected. Lists can be "closed" or "open"; open lists allow voters to indicate individual candidate preferences and vote for independent candidates. Voting districts can be small (as few as two candidates per district in Chile) or as large as a province or an entire nation.

The single transferable vote uses small multiple-member districts, with voters ranking individual candidates in order of preference. During the count, as candidates are elected or eliminated, surplus or discarded votes that would otherwise be wasted are transferred to other candidates according to the preferences. STV enables voters to vote across party lines and to elect independent candidates.

Mixed member proportional representation (MMP), also called the additional member system (AMS), is a two-tier mixed electoral system combining a non-proportional plurality/majoritarian election and a compensatory regional or national party list PR election. Voters typically have two votes, one for their single-member district and one for the party list, the party list vote determining the balance of the parties in the elected body.[3][5]

According to the ACE Electoral Knowledge Network,[6] some form of proportional representation is used for national lower house elections in 94 countries. Party list PR, being used in 85 countries, is the most widely used. MMP is used in seven lower houses. STV, despite long being advocated by political scientists,[3]:71 is used in only two: Ireland, since independence in 1922,[7] and Malta, since 1921.[8]

As with all electoral systems, both widely accepted and sharply opposing claims are made about the advantages and disadvantages of PR.[9][10]

Advantages and disadvantages

The case for proportional representation was made by John Stuart Mill in his 1861 essay Considerations on Representative Government:

In a representative body actually deliberating, the minority must of course be overruled; and in an equal democracy, the majority of the people, through their representatives, will outvote and prevail over the minority and their representatives. But does it follow that the minority should have no representatives at all? ... Is it necessary that the minority should not even be heard? Nothing but habit and old association can reconcile any reasonable being to the needless injustice. In a really equal democracy, every or any section would be represented, not disproportionately, but proportionately. A majority of the electors would always have a majority of the representatives, but a minority of the electors would always have a minority of the representatives. Man for man, they would be as fully represented as the majority. Unless they are, there is not equal government ... there is a part whose fair and equal share of influence in the representation is withheld from them, contrary to all just government, but, above all, contrary to the principle of democracy, which professes equality as its very root and foundation.[1]

Many academic political theorists agree with Mill,[11] that in a representative democracy the representatives should represent all segments of society.

Fairness

PR tries to resolve the unfairness of majoritarian and plurality voting systems where the largest parties receive an "unfair" "seat bonus" and smaller parties are disadvantaged and have difficulty winning any representation at all (Duverger's law).[12][13]:6–7 The established parties in UK elections can win formal control of the parliament with as little as 35% of votes (2005 UK general election). In certain Canadian elections, majority governments have been formed by parties with the support of under 40% of votes cast (2011 Canadian election, 2015 Canadian election). If turnout levels in the electorate are less than 60%, such outcomes allow a party to form a majority government by convincing as few as one quarter of the electorate to vote for it. In the 2005 UK election, for example, the Labour Party under Tony Blair won a comfortable parliamentary majority with the votes of only 21.6% of the total electorate.[14]:3 Such misrepresentation has been criticized as "no longer a question of 'fairness' but of elementary rights of citizens".[15]:22 However, PR systems with a high electoral threshold, or other features that reduce proportionality, are not necessarily much fairer: in the Turkish general election, 2002, using an open list system with a 10% threshold, 46% of votes were wasted.[3]:83

Plurality/majoritarian systems can also disproportionately benefit regional parties that can win districts where they have a strong following, while other parties with national support but no strongholds, like the Greens, win few or no seats. An example is the Bloc Québécois in Canada that won 52 seats in the 1993 federal election, all in Quebec, on 13.5% of the national vote, while the Progressive Conservatives collapsed to two seats on 16% spread nationally.[13][16] Similarly, in the 2015 UK General Election, the Scottish National Party gained 56 seats, all in Scotland, with a 4.7% share of the national vote while the UK Independence Party, with 12.6%, gained only a single seat.[17]

Election of minor parties

The use of multiple-member districts enables a greater variety of candidates to be elected. The more representatives per district and the lower the minimum threshold of votes required for election, the more minor parties can gain representation. It has been argued that in emerging democracies, inclusion of minorities in the legislature can be essential for social stability and to consolidate the democratic process.[3]:58

Critics, on the other hand, claim this can give extreme parties a foothold in parliament, sometimes cited as a cause for the collapse of the Weimar government. With very low thresholds, very small parties can act as "king-makers",[18] holding larger parties to ransom during coalition discussions. The example of Israel is often quoted,[3]:59 but these problems can be limited, as in the modern German Bundestag, by the introduction of higher threshold limits for a party to gain parliamentary representation.

Another criticism is that the dominant parties in plurality/majoritarian systems, often looked on as "coalitions" or as "broad churches",[19] can fragment under PR as the election of candidates from smaller groups becomes possible. Israel, again, and Brazil and Italy are examples.[3]:59,89 However, research shows, in general, there is only a marginal increase in the number of parties in parliament.[20]

Open list systems and STV, the only prominent PR system which does not require political parties,[21] enable independent candidates to be elected. In Ireland, on average, about six independent candidates have been elected each parliament.[22]

Coalitions

The election of smaller parties gives rise to one of the principal objections to PR systems, that they almost always result in coalition governments.[3]:59[11]

Supporters of PR see coalitions as an advantage, forcing compromise between parties to form a coalition at the centre of the political spectrum, and so leading to continuity and stability. Opponents counter that with many policies compromise is not possible (for example funding a new stealth bomber, or leaving the EU). Neither can many policies be easily positioned on the left-right spectrum (for example, the environment). So policies are horse-traded during coalition formation, with the consequence that voters have no way of knowing which policies will be pursued by the government they elect; voters have less influence on governments. Also, coalitions do not necessarily form at the centre, and small parties can have excessive influence, supplying a coalition with a majority only on condition that a policy or policies favoured by few voters is/are adopted. Most importantly, the ability of voters to vote a party in disfavour out of power is curtailed.[11]

All these disadvantages, the PR opponents contend, are avoided by two-party plurality systems. Coalitions are rare; the two dominant parties necessarily compete at the centre for votes, so that governments are more reliably moderate; the strong opposition necessary for proper scrutiny of government is assured; and governments remain sensitive to public sentiment because they can be, and are, regularly voted out of power.[11] However, the US experience shows that this is not necessarily so, and that a two-party system can result in a "drift to extremes", hollowing out the centre,[23] or, at least, in one party drifting to an extreme.[24]

Nevertheless, some studies have found that on average, compared to countries using plurality systems, governments elected with PR accord more closely with the median voter and the citizens are more content with democracy.[20]

Voter participation

Plurality systems usually result in single-party government because relatively few votes in the most finely balanced districts, the "swing seats", can transfer sufficient seats to the opposition to swing the election. More partisan districts remain invulnerable to swings of political mood. In the UK, for example, about half the constituencies have always elected the same party since 1945;[25] in the 2012 US House elections 45 districts (10% of all districts) were uncontested by one of the two dominant parties.[26] Voters who know their preferred candidate cannot win have little incentive to vote, and if they do their vote has no effect, it is "wasted".[3]:10

With PR, there are no "swing seats", most votes contribute to the election of a candidate so parties need to campaign in all districts, not just those where their support is strongest or where they perceive most advantage. This fact in turn encourages parties to be more responsive to voters, producing a more "balanced" ticket by nominating more women and minority candidates.[13] On average about 8% more women are elected.[20]

Since most votes count, there are fewer "wasted votes", so voters, aware that their vote can make a difference, are more likely to make the effort to vote, and less likely to vote tactically. Compared to countries with plurality electoral systems, voter turnout improves and the population is more involved in the political process.[3][13][20] However some experts argue that transitioning from plurality to PR only increases voter turnout in geographical areas associated with safe seats under the plurality system; turnout may decrease in areas formerly associated with swing seats.[27]

Gerrymandering

To ensure approximately equal representation, plurality systems are dependent on the drawing of boundaries of their single-member districts, a process vulnerable to political interference (gerrymandering). To compound the problem, boundaries have to be periodically re-drawn to accommodate population changes. Even apolitically drawn boundaries can unintentionally produce the effect of gerrymandering, reflecting naturally occurring concentrations.[28]:65 PR systems with their multiple-member districts are less prone to this – research suggests five-seat districts are immune to gerrymandering.[28]:66 The district boundaries are less critical and so can be aligned with historical boundaries such as cities, counties, states, or provinces; population changes can be accommodated by simply adjusting the number of representatives elected. For example, Professor Mollison in his 2010 plan for STV for the UK set an upper limit of 100,000 electors per MP so that a constituency of 500,000 electors would have five seats (1:100,000) but one of 500,001 six seats (1:83,000). His district boundaries follow historical county and local authority boundaries, yet he achieves more uniform representation than does the Boundary Commission, the body responsible for balancing the UK's first-past-the-post constituency sizes.[25][29]

Mixed member systems are susceptible to gerrymandering for the local seats that remain a part of such systems. Under parallel voting, a semi-proportional system, there is no compensation for the effects that such gerrymandering might have. Under MMP, the use of compensatory list seats makes gerrymandering less of an issue. However, its effectiveness in this regard depends upon the features of the system, including the size of the regional districts, the relative share of list seats in the total, and opportunities for collusion that might exist. A striking example of how the compensatory mechanism can be undermined can be seen in the 2014 Hungarian parliamentary election, where the leading party, Fidesz, combined gerrymandering and decoy lists, which resulted in a two-thirds parliamentary majority from a 45% vote.[30][31] This illustrates how certain implementations of MMP can produce moderately proportional outcomes, similar to parallel voting.

Link between constituent and representative

It is generally accepted that a particular advantage of plurality electoral systems such as first past the post, or majoritarian electoral systems such as the alternative vote, is the geographic link between representatives and their constituents.[3]:36[32]:65[15]:21 A notable disadvantage of PR is that, as its multiple-member districts are made larger, this link is weakened.[3]:82 In party list PR systems without delineated districts, such as the Netherlands and Israel, the geographic link between representatives and their constituents is considered extremely weak. Yet with relatively small multiple-member districts, in particular with STV, there are counter-arguments: about 90% of voters can consult a representative they voted for, someone whom they might think more sympathetic to their problem. In such cases it is sometimes argued that constituents and representatives have a closer link;[25][28]:212 constituents have a choice of representative so they can consult one with particular expertise in the topic at issue.[28]:212 With multiple-member districts, prominent candidates have more opportunity to be elected in their home constituencies, which they know and can represent authentically. There is less likely to be a strong incentive to parachute them into constituencies in which they are strangers and thus less than ideal representatives.[34]:248–250 Mixed-member PR systems incorporate single-member districts to preserve the link between constituents and representatives.[3]:95 However because up to half the parliamentary seats are list rather than district seats, the districts are necessarily up to twice as large as with a plurality/majoritarian system where all representatives serve single-member districts.[15]:32

Wider benefits to society

Wider benefits from PR have been identified in societies using it as compared to those using FPTP, including higher scores on the UNHuman Development Index, a measure of health, education, and personal security, higher economic growth, less inequality, and better environmental protection.[20]

Attributes of PR systems

District magnitude

Academics agree that the most important influence on proportionality is an electoral district's magnitude, the number of representatives elected from the district. Proportionality improves as the magnitude increases.[3] Some scholars recommend voting districts of roughly four to eight seats, which are considered small relative to PR systems in general.[35]

At one extreme, the Chilean binomial voting electoral system, a nominally proportional open-list system, uses two-member districts resulting in the election of one candidate from each of the two dominant political blocks, and so cannot be considered proportional.[3]:79

At the other, where the district encompasses the entire country, and with a low minimum threshold, highly proportionate representation of political parties can result, and parties gain by broadening their appeal by nominating more minority and women candidates.[3]:83

After the introduction of STV in Ireland in 1921 district magnitudes slowly diminished as more and more three-member constituencies were defined, benefiting the dominant Fianna Fáil, until 1979 when an independent boundary commission was established reversing the trend.[36] In 2010, a parliamentary constitutional committee recommended a minimum magnitude of four.[37] Nonetheless, despite relatively low magnitudes Ireland has generally experienced highly proportional results.[3]:73

In the FairVote plan for STV (which FairVote calls choice voting) for the US House of Representatives, three- to five-member super-districts are proposed.[38] In Professor Mollison's plan for STV in the UK, four- and five-member districts are used, with three and six as necessary to fit existing boundaries.[25]

Minimum threshold

The minimum threshold is the minimum vote required to win a seat. The lower the threshold, the higher the proportion of votes contributing to the election of representatives and the lower the proportion of votes wasted.[3]

All electoral systems have thresholds, either formally defined or as a mathematical consequence of the parameters of the election.[3]:83

A formal threshold usually requires parties to win a certain percentage of the vote in order to be awarded seats from the party lists. In Germany and New Zealand (both MMP), the threshold is 5% of the national vote but the threshold is not applied to parties that win a minimum number of constituency seats (three in Germany, one in New Zealand). Turkey defines a threshold of 10%, the Netherlands 0.67%.[3] Israel has raised its threshold from 1% (before 1992) to 1.5% (up to 2004), 2% (in 2006) and 3.25% in 2014.[39]

In STV elections, winning the quota (ballots/(seats+1)) of first preference votes assures election. However, well regarded candidates who attract good second (and third, etc.) preference support can hope to win election with only half the quota of first preference votes. Thus, in a six-seat district the effective threshold would be 7.14% of first preference votes (100/(6+1)/2).[25] The need to attract second preferences tends to promote consensus and disadvantage extremes.

Party magnitude

Party magnitude is the number of candidates elected from one party in one district. As party magnitude increases a more balanced ticket will be more successful encouraging parties to nominate women and minority candidates for election.[40]

But under STV, nominating too many candidates can be counter-productive, splitting the first-preference votes and allowing the candidates to be eliminated before receiving transferred votes from other parties. An example of this was identified in a ward in the 2007 Scottish local elections where Labour, putting up three candidates, won only one seat while they might have won two had one of their voters' preferred candidates not stood.[25] The same effect may have contributed to the collapse of Fianna Fáil in the 2011 Irish general election.[41]

Others

Other aspects of PR can influence proportionality such as the size of the elected body, the choice of open or closed lists, ballot design, and vote counting methods.

Measuring proportionality

A number of ways of measuring proportionality have been proposed, including the Loosemore–Hanby index, the Gallagher Index, and the Sainte-Laguë Index. These metrics actually quantify the disproportionality of an election, the degree to which the number of seats won by each party differs from that of a perfectly proportional outcome. For example, the Canadian Parliament's2016 Special Committee on Electoral Reform recommended that a system be designed to achieve "a Gallagher score of 5 or less". This indicated a much higher degree of proportionality than observed in the 2015 Canadian election under first-past-the-post voting, where the Gallagher index was 12.[10]

The Loosemore-Hanby index is calculated by subtracting each party's vote share from its seat share, adding up the absolute values (ignoring any negative signs), and dividing by two.[42]:4–6

The Gallagher index is similar, but involves squaring the difference between each party’s vote share and seat share, and taking the square root of the sum.

With the Sainte-Laguë index, the discrepancy between a party’s vote share and seat share is measured relative to its vote share.

None of these metrics (Loosemore-Hanby, Gallagher, Sainte-Laguë) fully support ranked voting.[43][44]

PR electoral systems

Party list PR

Main article: Party-list proportional representation

Party list proportional representation is an electoral system in which seats are first allocated to parties based on vote share, and then assigned to party-affiliated candidates on the parties' electoral lists. This system is used in many countries, including Finland (open list), Latvia (open list), Sweden (open list), Israel (national closed list), Brazil (open list), Nepal (Closed list) adopted in 2008 in first CA election, the Netherlands (open list), Russia (closed list), South Africa (closed list), Democratic Republic of the Congo (open list), and Ukraine (open list). For elections to the European Parliament, most member states use open lists; but most large EU countries use closed lists, so that the majority of EP seats are distributed by those.[45] Local lists were used to elect the Italian Senate during the second half of the 20th century.

Closed list PR

Main article: Closed list

In closed list systems, each party lists its candidates according to the party's candidate selection process. This sets the order of candidates on the list and thus, in effect, their probability of being elected. The first candidate on a list, for example, will get the first seat that party wins. Each voter casts a vote for a list of candidates. Voters, therefore, do not have the option to express their preferences at the ballot as to which of a party's candidates are elected into office.[46][47] A party is allocated seats in proportion to the number of votes it receives.[48]

There is an intermediate system in countries like Uruguay, where each party presents several closed lists, each representing a faction. Seats are distributed between parties according to the number of votes, and then between the factions within each party.[citation needed]

Open list PR

Main article: Open list

In an open list, voters may vote, depending on the model, for one person, or for two, or indicate their order of preference within the list. These votes sometimes rearrange the order of names on the party's list and thus which of its candidates are elected. Nevertheless, the number of candidates elected from the list is determined by the number of votes the list receives.[citation needed]

Local list PR

Main article: Localized list

In a local list system, parties divide their candidates in single member-like constituencies, which are ranked inside each general party list depending by their percentages. This method allows electors to judge every single candidate as in a FPTP system.

Two-tier party list systems

Some party list proportional systems with open lists use a two-tier compensatory system, as in Denmark, Norway, and Sweden. In Denmark, for example, the country is divided into ten multiple-member voting districts arranged in three regions, electing 135 representatives. In addition, 40 compensatory seats are elected. Voters have one vote which can be cast for an individual candidate or for a party list on the district ballot. To determine district winners, candidates are apportioned their share of their party's district list vote plus their individual votes. The compensatory seats are apportioned to the regions according to the party votes aggregated nationally, and then to the districts where the compensatory representatives are determined. In the 2007 general election, the district magnitudes, including compensatory representatives, varied between 14 and 28. The basic design of the system has remained unchanged since its introduction in 1920.[49][50][51]

Single transferable vote

Main article: Single transferable vote

The single transferable vote (STV), also called choice voting,[52][53] is a ranked system: voters rank candidates in order of preference. Voting districts usually elect three to seven representatives. The count is cyclic, electing or eliminating candidates and transferring votes until all seats are filled. A candidate is elected whose tally reaches a quota, the minimum vote that guarantees election. The candidate's surplus votes (those in excess of the quota) are transferred to other candidates at a fraction of their value proportionate to the surplus, according to the votes' preferences. If no candidates reach the quota, the candidate with the fewest votes is eliminated, those votes being transferred to their next preference at full value, and the count continues. There are many methods for transferring votes. Some early, manual, methods transferred surplus votes according to a randomly selected sample, or transferred only a "batch" of the surplus, other more recent methods transfer all votes at a fraction of their value (the surplus divided by the candidate's tally) but may need the use of a computer. Some methods may not produce exactly the same result when the count is repeated. There are also different ways of treating transfers to already elected or eliminated candidates, and these, too, can require a computer.[54][55]

In effect, the method produces groups of voters of equal size that reflect the diversity of the electorate, each group having a representative the group voted for. Some 90% of voters have a representative to whom they gave their first preference. Voters can choose candidates using any criteria they wish, the proportionality is implicit.[25] Political parties are not necessary; all other prominent PR electoral systems presume that parties reflect voters wishes, which many believe gives power to parties.[54] STV satisfies the electoral system criterionproportionality for solid coalitions – a solid coalition for a set of candidates is the group of voters that rank all those candidates above all others – and is therefore considered a system of proportional representation.[54] However, the small district magnitude used in STV elections has been criticized as impairing proportionality, especially when more parties compete than there are seats available,[11]:50 and STV has, for this reason, sometimes been labelled "quasi proportional".[56]:83 While this may be true when considering districts in isolation, results overall are proportional. In Ireland, with particularly small magnitudes, results are "highly proportional".[3]:73[7] In 1997, the average magnitude was 4.0 but eight parties gained representation, four of them with less than 3% of first preference votes nationally. Six independent candidates also won election.[36] STV has also been described as the most proportional system.[56]:83 The system tends to handicap extreme candidates because, to gain preferences and so improve their chance of election, candidates need to canvass voters beyond their own circle of supporters, and so need to moderate their views.[57][58] Conversely, widely respected candidates can win election with relatively few first preferences by benefitting from strong subordinate preference support.[25]

Australian Senate STV

The term STV in Australia refers to the Senate electoral system, a variant of Hare-Clark characterized by the "above the line" group voting ticket, a party list option. It is used in the Australian upper house, the Senate, and some state upper houses. Due to the number of preferences that are compulsory if a vote for candidates (below-the-line) is to be valid – for the Senate a minimum of 90% of candidates must be scored, in 2013 in New South Wales that meant writing 99 preferences on the ballot[59] – 95% and more of voters use the above-the-line option, making the system, in all but name, a party list system.[60][61][62] Parties determine the order in which candidates are elected and also control transfers to other lists and this has led to anomalies: preference deals between parties, and "micro parties" which rely entirely on these deals. Additionally, independent candidates are unelectable unless they form, or join, a group above-the-line.[63][64] Concerning the development of STV in Australia researchers have observed: "... we see real evidence of the extent to which Australian politicians, particularly at national levels, are prone to fiddle with the electoral system".[56]:86

As a result of a parliamentary commission investigating the 2013 election, from 2016 the system has been considerably reformed (see Australian federal election, 2016), with group voting tickets (GVTs) abolished and voters no longer required to fill all boxes.

Mixed compensatory systems

A mixed compensatory system is an electoral system that is mixed, meaning that it combines a plurality/majority formula with a proportional formula,[65] and that uses the proportional component to compensate for disproportionality caused by the plurality/majority component.[66][67] For example, suppose that a party wins 10 seats based on plurality, but requires 15 seats in total to obtain its proportional share of an elected body. A fully proportional mixed compensatory system would award this party 5 compensatory (PR) seats, raising the party's seat count from 10 to 15. The most prominent mixed compensatory system is mixed member proportional representation (MMP), used in Germany since 1949. In MMP, the seats won by plurality are associated with single-member districts.

Mixed member proportional representation

Main article: Mixed member proportional representation

Mixed member proportional representation (MMP) is a two-tier system that combines a single-district vote, usually first-past-the-post, with a compensatory regional or nationwide party list proportional vote. The system aims to combine the local district representation of FPTP and the proportionality of a national party list system. MMP has the potential to produce proportional or moderately proportional election outcomes, depending on a number of factors such as the ratio of FPTP seats to PR seats, the existence or nonexistence of extra compensatory seats to make up for overhang seats, and election thresholds.[68][69][70] It was invented for the German Bundestag after the Second World War and has spread to Lesotho, Bolivia and New Zealand. The system is also used for the Welsh and Scottish assemblies where it is called the additional member system.[5][4]

Voters typically have two votes, one for their district representative and one for the party list. The list vote usually determines how many seats are allocated to each party in parliament. After the district winners have been determined, sufficient candidates from each party list are elected to "top-up" each party to the overall number of parliamentary seats due to it according to the party's overall list vote. Before apportioning list seats, all list votes for parties which failed to reach the minimum threshold are discarded. If eliminated parties lose seats in this manner, then the seat counts for parties that achieved the minimum threshold improve. Also, any direct seats won by independent candidates are subtracted from the parliamentary total used to apportion list seats.[71]

The system has the potential to produce proportional results, but proportionality can be compromised if the ratio of list to district seats is too low, it may then not be possible to completely compensate district seat disproportionality. Another factor can be how overhang seats are handled, district seats that a party wins in excess of the number due to it under the list vote. To achieve proportionality, other parties require "balance seats", increasing the size of parliament by twice the number of overhang seats, but this is not always done. Until recently, Germany increased the size of parliament by the number of overhang seats but did not use the increased size for apportioning list seats. This was changed for the 2013 national election after the constitutional court rejected the previous law, not compensating for overhang seats had resulted in a negative vote weight effect.[72] Lesotho, Scotland and Wales do not increase the size of parliament at all, and, in 2012, a New Zealand parliamentary commission also proposed abandoning compensation for overhang seats, and so fixing the size of parliament. At the same time, it would abolish the single-seat threshold – any such seats would then be overhang seats and would otherwise have increased the size of parliament further – and reduce the vote threshold from 5% to 4%. Proportionality would not suffer.[3][73]

Dual member proportional representation

Main article: Dual member proportional representation

Dual member proportional representation (DMP) is a single-vote system that elects two representatives in every district.[74] The first seat in each district is awarded to the candidate who wins a plurality of the votes, similar to first-past-the-post voting. The remaining seats are awarded in a compensatory manner to achieve proportionality across a larger region. DMP employs a formula similar to the "best near-winner" variant of MMP used in the German state of Baden-Württemberg.[75] In Baden-Württemberg, compensatory seats are awarded to candidates who receive high levels of support at the district level compared with other candidates of the same party. DMP differs in that at most one candidate per district is permitted to obtain a compensatory seat. If multiple candidates contesting the same district are slated to receive one of their parties' compensatory seats, the candidate with the highest vote share is elected and the others are eliminated. DMP is similar to STV in that all elected representatives, including those who receive compensatory seats, serve their local districts. Invented in 2013 in the Canadian province of Alberta, DMP received attention on Prince Edward Island where it appeared on a 2016 plebiscite as a potential replacement for FPTP,[76][77] but was eliminated on the third round.[78][79]

Biproportional apportionment

Main article: Biproportional apportionment

Biproportional apportionment applies a mathematical method (iterative proportional fitting) for the modification of an election result to achieve proportionality. It was proposed for elections by the mathematician Michel Balinski in 1989, and first used by the city of Zurich for its council elections in February 2006, in a modified form called "new Zurich apportionment" (Neue Zürcher Zuteilungsverfahren). Zurich had had to modify its party list PR system after the Swiss Federal Court ruled that its smallest wards, as a result of population changes over many years, unconstitutionally disadvantaged smaller political parties. With biproportional apportionment, the use of open party lists hasn't changed, but the way winning candidates are determined has. The proportion of seats due to each party is calculated according to their overall citywide vote, and then the district winners are adjusted to conform to these proportions. This means that some candidates, who would otherwise have been successful, can be denied seats in favor of initially unsuccessful candidates, in order to improve the relative proportions of their respective parties overall. This peculiarity is accepted by the Zurich electorate because the resulting city council is proportional and all votes, regardless of district magnitude, now have equal weight. The system has since been adopted by other Swiss cities and cantons.[80][81]

Fair majority voting

Balinski has proposed another variant called fair majority voting (FMV) to replace single-winner plurality/majoritarian electoral systems, in particular the system used for the US House of Representatives. FMV introduces proportionality without changing the method of voting, the number of seats, or the – possibly gerrymandered – district boundaries. Seats would be apportioned to parties in a proportional manner at the state level.[81] In a related proposal for the UK parliament, whose elections are contested by many more parties, the authors note that parameters can be tuned to adopt any degree of proportionality deemed acceptable to the electorate. In order to elect smaller parties, a number of constituencies would be awarded to candidates placed fourth or even fifth in the constituency – unlikely to be acceptable to the electorate, the authors concede – but this effect could be substantially reduced by incorporating a third, regional, apportionment tier, or by specifying minimum thresholds.[82]

Other proportional systems

Reweighted range voting

Reweighted range voting (RRV) is a multi-winner voting system similar to STV in that voters can express support for multiple candidates, but different in that candidates are graded instead of ranked.[83][84][85] That is, a voter assigns a score to each candidate. The higher a candidate’s scores, the greater the chance they will be among the winners.

Similar to STV, the vote counting procedure occurs in rounds. The first round of RRV is identical to range voting. All ballots are added with equal weight, and the candidate with the highest overall score is elected. In all subsequent rounds, ballots that support candidates who have already been elected are added with a reduced weight. Thus voters who support none of the winners in the early rounds are increasingly likely to elect one of their preferred candidates in a later round. The procedure has been shown to yield proportional outcomes if voters are loyal to distinct groups of candidates (e.g. political parties).[86]

RRV was used for the nominations in the Visual Effects category for recent Academy Award Oscars from 2013 thru 2017.[87][88]

Reweighted approval voting

Main article: Sequential proportional approval voting

Reweighted approval voting (RAV) is similar to reweighted range voting in that several winners are elected using a multi-round counting procedure in which ballots supporting already elected candidates are given reduced weights. Under RAV, however, a voter can only choose to approve or disapprove of each candidate, as in approval voting. RAV was used briefly in Swedan during the early 1900s.[89]

Asset voting

In asset voting,[83][90] the voters vote for candidates and then the candidates negotiate amongst each other and reallocate votes amongst themselves. Asset voting was independently rediscovered by each of Lewis Carroll, Warren D. Smith, and Forest Simmons.[91]

Random ballot

Main article: Random ballot

The random ballot, or lottery voting, is a single-vote, single-winner voting method in which one of the marked ballots is selected at random, and the candidate supported by that ballot is declared the winner. Although it has been described as "a thought experiment",[92] the system is statistically likely to produce proportional election outcomes if applied over a large number of single-member districts.

In a related method called sortition, one dispenses with voting altogether and simply appoints randomly selected individuals from a population to serve in a representative decision-making body.

History

One of the earliest proposals of proportionality in an assembly was by John Adams in his influential pamphlet Thoughts on Government, written in 1776 during the American Revolution:

It should be in miniature, an exact portrait of the people at large. It should think, feel, reason, and act like them. That it may be the interest of this Assembly to do strict justice at all times, it should be an equal representation, or in other words equal interest among the people should have equal interest in it.[93]

Mirabeau, speaking to the Assembly of Provence on January 30, 1789, was also an early proponent of a proportionally representative assembly:[94]

A representative body is to the nation what a chart is for the physical configuration of its soil: in all its parts, and as a whole, the representative body should at all times present a reduced picture of the people, their opinions, aspirations, and wishes, and that presentation should bear the relative proportion to the original precisely.

In February 1793, the Marquis de Condorcet led the drafting of the Girondist constitution which proposed a limited voting scheme with proportional aspects. Before that could be voted on, the Montagnards took over the National Convention and produced their own constitution. On June 24, Saint-Just proposed the single non-transferable vote, which can be proportional, for national elections but the constitution was passed on the same day specifying first-past-the-post voting.[94]

Already in 1787, James Wilson, like Adams a US Founding Father, understood the importance of multiple-member districts: "Bad elections proceed from the smallness of the districts which give an opportunity to bad men to intrigue themselves into office",[95] and again, in 1791, in his Lectures on Law: "It may, I believe, be assumed as a general maxim, of no small importance in democratical governments, that the more extensive the district of election is, the choice will be the more wise and enlightened".[96] The 1790 Constitution of Pennsylvania specified multiple-member districts for the state Senate and required their boundaries to follow county lines.[97]

STV, or, more precisely, an election method where voters have one transferable vote, was first invented in 1819 by an English schoolmaster, Thomas Wright Hill, who devised a "plan of election" for the committee of the Society for Literary and Scientific Improvement in Birmingham that used not only transfers of surplus votes from winners but also from losers, a refinement that later both Andræ and Hare initially omitted. But the procedure was unsuitable for a public election and wasn't publicised. In 1839, Hill's son, Rowland Hill, recommended the concept for public elections in Adelaide, and a simple process was used in which voters formed as many groups as there were representatives to be elected, each group electing one representative.[94]

The first practical PR election method, a list method, was conceived by Thomas Gilpin, a retired paper-mill owner, in a paper he read to the American Philosophical Society in Philadelphia in 1844: "On the representation of minorities of electors to act with the majority in elected assemblies". But the paper appears not to have excited any interest.[94]

A practical election using a single transferable vote was devised in Denmark by Carl Andræ, a mathematician, and first used there in 1855, making it the oldest PR system, but the system never really spread. It was re-invented (apparently independently) in the UK in 1857 by Thomas Hare, a London barrister, in his pamphlet The Machinery of Representation and expanded on in his 1859 Treatise on the Election of Representatives. The scheme was enthusiastically taken up by John Stuart Mill, ensuring international interest. The 1865 edition of the book included the transfer of preferences from dropped candidates and the STV method was essentially complete. Mill proposed it to the House of Commons in 1867, but the British parliament rejected it. The name evolved from "Mr.Hare's scheme" to "proportional representation", then "proportional representation with the single transferable vote", and finally, by the end of the 19th century, to "the single transferable vote".

A party list proportional representation system was devised and described in 1878 by Victor D'Hondt in Belgium. D'Hondt's method of seat allocation, the D'Hondt method, is still widely used. Victor Considerant, a utopian socialist, devised a similar system in an 1892 book. Some Swiss cantons (beginning with Ticino in 1890) used the system before Belgium, which was first to adopt list PR in 1900 for its national parliament. Many European countries adopted similar systems during or after World War I. List PR was favoured on the Continent because the use of lists in elections, the scrutin de liste, was already widespread. STV was preferred in the English-speaking world because its tradition was the election of individuals.[34]

In the UK, the 1917 Speaker's Conference recommended STV for all multi-seat Westminster constituencies, but it was only applied to university constituencies, lasting from 1918 until 1950 when those constituencies were abolished. In Ireland, STV was used in 1918 in the University of Dublin constituency, and was introduced for devolved elections in 1921.

STV is currently used for two national lower houses of parliament, Ireland, since independence (as the Irish Free State) in 1922,[7] and Malta, since 1921, long before independence in 1966.[98] In Ireland, two attempts have been made by Fianna Fáil governments to abolish STV and replace it with the 'First Past the Post' plurality system. Both attempts were rejected by voters in referendums held in 1959 and again in 1968..

STV is also used for all other elections in Ireland except for that of the presidency, for the Northern Irish assembly and European and local authorities, Scottish local authorities, some New Zealand and Australian local authorities, the Tasmanian (since 1907) and Australian Capital Territory assemblies, where the method is known as Hare-Clark,[59] and the city council in

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