Knowledge (XXG)

Contingent vote

Source đź“ť

1336:) voters vote for only a single candidate, rather than ranking candidates in order of preference. As under the contingent vote, if no candidate has an absolute majority in the first round, all but the top two are eliminated and there is a second round. However, in the two round system, voters are asked to return and vote a second time. Because of the similarities between them, the contingent vote and the two-round system can usually be expected to elect the same winner. However, in the two-round system, the voter is permitted to change one's mind from one round to another, even if their favourite candidate in the first round has not been eliminated. It also guarantees that every voter has a chance to express a preference between the top two, unlike 1142:. As under the conventional contingent vote, in an election held using the Sri Lankan form of the contingent vote each voter ranks the candidates in order of preference, and if no candidate receives an overall majority of first preference votes on the first count then all but the two leading candidates are eliminated and their votes redistributed to help determine a winner in a second and final round. However, whereas under the ordinary form of the contingent vote voters can rank all of the candidates in order of preference, under Sri Lankan contingent voting the voter can only express their top three preferences (which can lead to 1396:) differs from the contingent vote in that it permits several rounds rather than just two. Under the alternative vote only candidate(s) for whom it is mathematically impossible to win are eliminated after each round, and as many rounds occur as are necessary to give one candidate an absolute majority. These differences mean that the contingent vote and alternative vote can produce different results. Because, under the contingent vote, all but two candidates are eliminated in the first round, it is possible for a candidate to be eliminated who would have gone on to win had they been allowed to receive transfers in later rounds. 949: 1180: 1170: 84: 924: 1090: 936: 1106:
candidates with the most first preferences are eliminated, and there is a second round. In the second round, the votes of the voters whose first preference had been eliminated are transferred to whichever of the two remaining candidates they ranked the highest. The votes are then counted, and whichever candidate has an absolute majority is declared elected.
1006:, and when the votes are counted, the first preference votes only are counted. If no candidate has a majority (more than half) of the votes cast, then all but the two leading candidates are eliminated and the votes received by the eliminated candidates are distributed among the two remaining candidates according to voters' preferences. 1105:
There are then a maximum of two rounds of counting. In the first round only first preferences are counted. Candidates receiving an absolute majority of first preferences (i.e. more than half) are immediately declared the winner. However, if no candidate has an absolute majority, then all but the two
1309:
Second, it is possible for the victor to fail to achieve an absolute majority overall, for it is not an obligation for a voter to cast a second preference, and even when a second preference is marked, the vote will be ineffective if it is cast for a candidate who does not make it into the top two,
1101:
In an election held using the contingent vote, the voters rank the list of candidates in order of preference. Under the most common ballot layout, they place a '1' beside their most preferred candidate, a '2' beside their second most preferred, and so on. In this respect the contingent vote is the
1286:
The supplementary vote is said to encourage candidates to seek support beyond their core base of supporters in order to secure the second preferences of the supporters of other candidates, and so to create a more conciliatory campaigning style among candidates with similar policy platforms. SV is
1266:
In the 2021 London election, a record 5 percent of ballots were wholly rejected, and no candidate achieved a majority of the vote. The government responded by ending the use of the supplementary vote in 2022, citing voter confusion with a complex system. However, critics, including the Labour and
1305:
First, since the automatic dual-ballot nature of SV dispenses with any need for a runoff two weeks later – as often happens for, say, the election of the president of France – voters cast their second preferences without being certain of which candidates will make the runoff. Consequently, some
1518:
The contingent vote ... was used in Queensland from 1892 to 1942 and for Democratic primary elections in the U.S. state of Alabama between 1915 and 1931. It has been used for presidential elections in Sri Lanka since 1978 and in 1996 ... the United Kingdom ... called it the "supplementary
1190:
The supplementary vote (SV) is a variation of the contingent vote in which the voter ranks only two of the candidates in order of preference. If a voter's first-choice candidate is eliminated but their second choice is one of the two remaining candidates, their vote is transferred to the
1356:
is a variation of the two-round system except the first round does not pick a winner, but instead picks the two highest candidates who will compete in the general election. Because the first round does not pick a winner, there will tend to be higher voter turnout in the second election.
1267:
Green parties, argued that the wasted votes were due to ballot layout and that the change was aimed at benefitting Conservative Party candidates. They also claimed that the supplementary vote was effective in increasing multi-party participation and was popular among voters.
1287:
also likely to improve the chances of "third party" candidates by encouraging voters, who wish to do so, to vote sincerely for such candidates for whom, under systems such as first-past-the-post, they would be discouraged from doing so for tactical reasons.
1146:). Each direct presidential election going back to the first in 1981 has seen a candidate from one of the two major parties or alliances at the time winning in the first count so never has the second round of vote counting ever been conducted. 1121:
This means that if a voter's marked preferences do not include either of the candidates who survive to the second round, then it will be impossible to transfer the vote, which is therefore declared "wasted" or "exhausted".
1191:
second-choice candidate. This means that the winning candidate has the support of a majority of voters who expressed a preference among the top two, although not necessarily a majority of votes cast in the first count.
1174:
Each voter ranks at least one and no more than two candidates by placing an 'X' in one column to indicate their first choice of candidate and another 'X' in a second column to indicate their second choice of candidate.
1258:
In 2000, several districts in England introduced directly elected mayors. It was decided to use the supplementary vote for the election of these new mayors, including the Mayor of London, and for the election of
1230:. When the Commission reported in 1993, instead of suggesting an already existing system, it recommended the supplementary vote system, which it said had never been used anywhere. In actuality, 977: 1602: 1773: 1118:
are two implementation variations, in which voters cannot rank all of the candidates but rather are only permitted to express two or three preferences, respectively.
1384:
which advances the top four candidates from a single primary, regardless of party, and uses instant-runoff voting in the general election to pick a majority winner.
1184:
A less common form is to print a single column on the ballot paper and require voters to write '1' next to their first preference and '2' next to their second.
1036:
allow for many rounds of counting, eliminating only one weakest candidate each round. IRV allows a candidate other than the top two in the first count to win.
2223: 1415: 1195: 1056: 1991: 668: 1290:
These positive effects are moderated by the incentives SV creates for voting, in some circumstances, for only candidates from among the leading three.
2393: 2383: 2119: 1971: 1735: 1410: 700: 562: 557: 2388: 2218: 1996: 1238: 970: 663: 1981: 1766: 345: 1511: 1131: 40: 869: 2345: 1532: 120: 1368:, except fewer voters in the primary round may lead to a different top-two candidates than if the whole electorate voted in both rounds. 2028: 1459: 1616: 1067: 963: 1759: 2363: 864: 2213: 2159: 1227: 854: 604: 575: 515: 2011: 1574: 2340: 1658: 586: 111: 1013:(runoff system), in which both "rounds" occur without the need for voters to go to the polls twice. For this reason, the term 2139: 649: 1260: 1241:, with the invention of SV, according to others, it was the brainchild of a Labour member of Parliament (MP) at the time, 1203: 1060: 291: 276: 261: 2182: 2167: 1986: 1094: 907: 527: 450: 371: 1630: 2233: 1956: 1946: 1807: 1353: 339: 321: 162: 1495:
Elections in Australia, Ireland, and Malta under the Single Transferable Vote: Reflections on an Embedded Institution
892: 2198: 1889: 1207: 1074: 783: 766: 733: 713: 497: 485: 455: 256: 214: 147: 591: 2248: 2203: 2149: 2061: 1492:
Bowler, Shaun; Grofman, Bernard Norman (2000). "The Single Transferable Vote and the Alternative Vote Compared".
639: 632: 116: 1306:
second preferences will be declared invalid because they bear only preferences marked for eliminated candidates.
998:
used to elect a single representative in which a candidate requires a majority of votes to win. It is a form of
2238: 2124: 2082: 2001: 1926: 1862: 1820: 1455: 1435: 693: 621: 610: 473: 460: 443: 420: 398: 361: 351: 1857: 2263: 2253: 2228: 2044: 1921: 819: 673: 356: 1723: 1070:
from 1892 to 1942. To date, this has been the longest continuous use of the system anywhere in the world.
2304: 2243: 2106: 2049: 1139: 1045: 848: 728: 658: 465: 2208: 2129: 1894: 1603:"First Past the Post to be introduced for all local mayoral and police and crime commissioner elections" 1430: 1425: 1275: 1242: 1025: 1018: 756: 596: 480: 286: 265: 197: 175: 1263:
across much of England and Wales. The supplementary vote was used for these offices from 2000 to 2022.
948: 814: 2278: 1847: 1644: 887: 874: 842: 106: 1310:
when the first preference is marked also for a candidate who does not make it into the second round.
2258: 1852: 1179: 999: 793: 627: 280: 33: 1024:
It also has similarities to other ranked-choice systems. Unlike the contingent vote, systems like
2299: 1909: 1702: 1420: 953: 824: 435: 219: 1867: 1169: 902: 2268: 2177: 2134: 2054: 1976: 1899: 1884: 1842: 1663: 1507: 1231: 1223: 1029: 859: 829: 751: 688: 522: 249: 224: 207: 75: 2309: 1941: 1797: 1782: 1694: 1682: 1617:"London mayoral election to be changed to First Past the Post system under Government plans" 1499: 1377: 1325: 1298: 1271: 1246: 1219: 1143: 1010: 940: 897: 788: 776: 490: 366: 192: 186: 168: 157: 152: 140: 101: 63: 2357: 2273: 2114: 2092: 1825: 1815: 1793: 1741: 1531:
Gajanayake, Manjula; Siriwardana, Thusitha; Isuranga, Hirantha; Jayasinghe, Pasan (2019).
1199: 928: 761: 616: 581: 502: 413: 316: 239: 181: 59: 83: 2172: 1877: 1837: 1746: 1678: 1493: 1294: 1033: 798: 738: 723: 534: 403: 378: 229: 1588: 923: 2377: 1916: 1706: 1405: 1341: 1251: 1135: 1003: 995: 807: 507: 295: 133: 96: 71: 39: 1931: 1872: 1089: 547: 311: 304: 234: 17: 2314: 2077: 2016: 1936: 1832: 425: 383: 326: 271: 2087: 2023: 1560: 2324: 2319: 1066:
In the past, the ordinary form of the contingent vote was used to elect the
1009:
The contingent vote can be considered a compressed or "instant" form of the
393: 388: 44: 1659:"Priti Patel under fire over plan to change voting system for London mayor" 935: 2144: 644: 2006: 1503: 1078: 430: 1698: 2294: 1751: 1645:"A big change is coming to how we vote for the next Mayor of London" 1533:"2019 Sri Lankan Presidential Election: Election Observation Report" 1278:
may be seen as part of the history of SV due to their similarities.
1589:"London elections 2021: Record number of mayoral votes rejected" 1755: 1017:
has also been used for this method, though this conflicts with
1685:; Cowling, David (2002). "Mayoral Referendums and Elections". 1237:
Although some commentators credit the head of the commission,
1044:
A variant of the contingent vote has been used to elect the
82: 1249:, who outlined and advocated for it in an article for the 1724:
Electoral Reform Society press release on Torbay election
1153: 1194:
The supplementary vote was used in all elections for
2333: 2287: 2191: 2158: 2105: 2070: 2037: 1964: 1955: 1806: 1742:London Elects: How the Mayor of London is Elected 1255:magazine that was published September 29, 1989. 1234:had been in use in Australia as early as 1892. 1421:List of democracy and elections-related topics 1392:As noted above, the instant-runoff voting (or 1767: 1736:Democratic and Electoral Shifts in Queensland 971: 8: 2224:Independence of Smith-dominated alternatives 1498:. University of Michigan Press. p. 40. 27:Single-winner ranked-choice electoral system 1631:"'Make Every Vote Matter' Says Green Party" 1561:"Supplementary fudge | Fabian Society" 1004:ranks the candidates in order of preference 1961: 1774: 1760: 1752: 978: 964: 54: 1454:This form was used to elect the Mayor of 1364:will generally pick the same winner as a 1226:to recommend a new voting system for the 1411:History and use of instant-runoff voting 1088: 38: 2219:Independence of irrelevant alternatives 1997:Sequential proportional approval voting 1540:Centre for Monitoring Election Violence 1475: 1447: 1344:may also be higher in the second vote. 70: 1206:, until 2022, when it was replaced by 1102:same as other ranked ballot methods. 7: 1487: 1485: 1483: 1481: 1479: 1416:Elected mayors in the United Kingdom 1338:the limited forms of contingent vote 2029:Indirect single transferable voting 1134:, a variant of the contingent vote 1747:Electoral Systems Index: Sri Lanka 1196:directly elected mayors in England 1068:Legislative Assembly of Queensland 25: 1282:Impact on factions and candidates 1228:Parliament of the United Kingdom 1178: 1168: 947: 934: 922: 870:McKelvey–Schofield chaos theorem 516:Semi-proportional representation 148:First preference plurality (FPP) 2394:Non-monotonic electoral systems 2384:Single-winner electoral systems 1114:The supplementary vote and the 1073:Contingent voting was used for 2389:Preferential electoral systems 2140:Mixed ballot transferable vote 1261:police and crime commissioners 1204:police and crime commissioners 1061:police and crime commissioners 908:Harsanyi's utilitarian theorem 865:Moulin's impossibility theorem 830:Conflicting majorities paradox 1: 1337: 734:Frustrated majorities paradox 2341:Comparison of voting systems 2183:Satisfaction approval voting 2168:Single non-transferable vote 1987:Proportional approval voting 903:Condorcet dominance theorems 843:Social and collective choice 1947:Graduated majority judgment 1382:nonpartisan blanket primary 1354:nonpartisan blanket primary 1348:Nonpartisan blanket primary 1063:in England prior to 2022. 569:By mechanism of combination 340:Proportional representation 2410: 2199:Condorcet winner criterion 1890:First-past-the-post voting 1208:first-past-the-post voting 1177: 1167: 1132:1982 presidential election 1126:Sri Lankan contingent vote 1116:Sri Lankan contingent vote 1075:Democratic party primaries 767:Multiple districts paradox 498:Fractional approval voting 486:Interactive representation 31: 2354: 2346:Voting systems by country 2249:Mutual majority criterion 2204:Condorcet loser criterion 2150:Vote linkage mixed system 2062:Largest remainders method 1789: 714:Paradoxes and pathologies 563:Mixed-member proportional 558:Mixed-member majoritarian 553:By results of combination 444:Approval-based committees 2239:Majority loser criterion 2125:Additional member system 2083:Hagenbach-Bischoff quota 2002:Single transferable vote 1927:Positional voting system 1863:Minimax Condorcet method 1821:Combined approval voting 1687:Local Government Studies 1436:Single transferable vote 1218:In the early 1990s, the 1130:In Sri Lanka, since the 893:Condorcet's jury theorem 694:Double simultaneous vote 669:Rural–urban proportional 664:Dual-member proportional 626: 615: 582:Parallel (superposition) 474:Fractional social choice 461:Expanding approvals rule 290: 275: 260: 191: 180: 156: 32:Not to be confused with 2264:Resolvability criterion 2254:Participation criterion 2229:Later-no-harm criterion 2045:Highest averages method 1301:noted two flaws of SV: 1222:was established by the 1202:, and in elections for 1155:Example ballot designs 1057:directly elected mayors 1019:the more common meaning 820:Tyranny of the majority 597:Fusion (majority bonus) 414:Quota-remainder methods 2305:First-preference votes 2244:Monotonicity criterion 2214:Independence of clones 1917:Simple majoritarianism 1575:"Supplementary Voting" 1276:instant run-off voting 1098: 1046:president of Sri Lanka 954:Mathematics portal 860:Majority impossibility 849:Impossibility theorems 645:Negative vote transfer 466:Method of equal shares 87: 52: 2209:Consistency criterion 2130:Alternative vote plus 1895:Instant-runoff voting 1431:Alternative Vote Plus 1406:Ranked voting systems 1388:Instant-runoff voting 1293:Political scientists 1243:Dale Campbell-Savours 1138:is used to elect the 1095:optional preferential 1092: 1026:instant-runoff voting 1015:instant-runoff voting 757:Best-is-worst paradox 746:Pathological response 481:Direct representation 134:Single-winner methods 86: 42: 2279:Seats-to-votes ratio 2050:Webster/Sainte-LaguĂ« 1380:is a variant of the 941:Economics portal 888:Median voter theorem 107:Comparative politics 2259:Plurality criterion 1858:Kemeny–Young method 1274:and other forms of 1156: 1140:country's president 1085:Voting and counting 1081:from 1915 to 1931. 1077:in the US state of 1000:preferential voting 929:Politics portal 640:Vote linkage system 611:Seat linkage system 198:Ranked-choice (RCV) 34:contingent election 2300:Election threshold 2234:Majority criterion 1910:Supplementary vote 1504:10.3998/mpub.16507 1154: 1150:Supplementary vote 1099: 1053:supplementary vote 825:Discursive dilemma 784:Lesser evil voting 659:Supermixed systems 362:Largest remainders 220:Round-robin voting 88: 53: 2371: 2370: 2269:Reversal symmetry 2178:Cumulative voting 2160:Semi-proportional 2135:Mixed single vote 2101: 2100: 1977:Mixed single vote 1885:Exhaustive ballot 1848:Copeland's method 1843:Condorcet methods 1783:Electoral systems 1699:10.1080/714004163 1683:Thrasher, Michael 1667:. March 16, 2021. 1664:Independent.co.uk 1619:. March 17, 2021. 1563:. March 21, 2024. 1513:978-0-472-02681-4 1270:The histories of 1232:contingent voting 1188: 1187: 1144:exhausted ballots 1055:was used to pick 988: 987: 875:Gibbard's theorem 815:Dominance paradox 752:Perverse response 456:Phragmen's method 322:Majority judgment 250:Positional voting 208:Condorcet methods 76:electoral systems 18:Contingent voting 16:(Redirected from 2401: 2310:Liquid democracy 1962: 1942:Two-round system 1853:Dodgson's method 1776: 1769: 1762: 1753: 1721: 1711: 1710: 1675: 1669: 1668: 1655: 1649: 1648: 1647:. April 7, 2022. 1641: 1635: 1634: 1633:. June 19, 2021. 1627: 1621: 1620: 1613: 1607: 1606: 1599: 1593: 1592: 1585: 1579: 1578: 1571: 1565: 1564: 1557: 1551: 1550: 1548: 1546: 1537: 1528: 1522: 1521: 1489: 1463: 1452: 1426:Alternative vote 1394:alternative vote 1378:top-four primary 1372:Top-four primary 1326:two-round system 1320:Two-round system 1299:Michael Thrasher 1272:two-round voting 1247:Patrick Dunleavy 1220:Plant Commission 1198:, including the 1182: 1172: 1157: 1136:electoral system 1034:Baldwin's method 1011:two-round system 996:electoral system 980: 973: 966: 952: 951: 939: 938: 927: 926: 882:Positive results 777:Strategic voting 674:Majority jackpot 631: 620: 491:Liquid democracy 367:National remnant 357:Highest averages 294: 279: 264: 196: 187:Alternative vote 185: 169:Partisan primary 161: 102:Mechanism design 55: 21: 2409: 2408: 2404: 2403: 2402: 2400: 2399: 2398: 2374: 2373: 2372: 2367: 2350: 2329: 2283: 2274:Smith criterion 2187: 2154: 2115:Parallel voting 2097: 2093:Imperiali quota 2066: 2033: 1951: 1905:Contingent vote 1868:Nanson's method 1826:Unified primary 1816:Approval voting 1802: 1785: 1780: 1732: 1718: 1715: 1714: 1679:Rallings, Colin 1677: 1676: 1672: 1657: 1656: 1652: 1643: 1642: 1638: 1629: 1628: 1624: 1615: 1614: 1610: 1601: 1600: 1596: 1591:. May 10, 2021. 1587: 1586: 1582: 1573: 1572: 1568: 1559: 1558: 1554: 1544: 1542: 1535: 1530: 1529: 1525: 1514: 1491: 1490: 1477: 1472: 1467: 1466: 1453: 1449: 1444: 1402: 1390: 1374: 1366:blanket primary 1362:contingent vote 1350: 1328:(also known as 1322: 1317: 1315:Similar systems 1284: 1216: 1214:History and use 1200:Mayor of London 1183: 1173: 1152: 1128: 1112: 1087: 1042: 992:contingent vote 984: 946: 945: 933: 921: 913: 912: 879: 855:Arrow's theorem 845: 835: 834: 803: 773: 762:No-show paradox 743: 729:Cloning paradox 719:Spoiler effects 716: 706: 705: 680: 567: 550: 540: 539: 512: 503:Maximal lottery 470: 451:Thiele's method 440: 410: 342: 332: 331: 317:Approval voting 305:Cardinal voting 301: 246: 240:Maximal lottery 204: 136: 126: 49:contingent vote 37: 28: 23: 22: 15: 12: 11: 5: 2407: 2405: 2397: 2396: 2391: 2386: 2376: 2375: 2369: 2368: 2355: 2352: 2351: 2349: 2348: 2343: 2337: 2335: 2331: 2330: 2328: 2327: 2322: 2317: 2312: 2307: 2302: 2297: 2291: 2289: 2285: 2284: 2282: 2281: 2276: 2271: 2266: 2261: 2256: 2251: 2246: 2241: 2236: 2231: 2226: 2221: 2216: 2211: 2206: 2201: 2195: 2193: 2189: 2188: 2186: 2185: 2180: 2175: 2173:Limited voting 2170: 2164: 2162: 2156: 2155: 2153: 2152: 2147: 2142: 2137: 2132: 2127: 2122: 2117: 2111: 2109: 2103: 2102: 2099: 2098: 2096: 2095: 2090: 2085: 2080: 2074: 2072: 2068: 2067: 2065: 2064: 2059: 2058: 2057: 2052: 2041: 2039: 2035: 2034: 2032: 2031: 2026: 2021: 2020: 2019: 2014: 2009: 1999: 1994: 1989: 1984: 1979: 1974: 1968: 1966: 1959: 1953: 1952: 1950: 1949: 1944: 1939: 1934: 1929: 1924: 1919: 1914: 1913: 1912: 1907: 1902: 1900:Coombs' method 1892: 1887: 1882: 1881: 1880: 1878:Schulze method 1875: 1870: 1865: 1860: 1855: 1850: 1840: 1838:Bucklin voting 1835: 1830: 1829: 1828: 1823: 1812: 1810: 1804: 1803: 1790: 1787: 1786: 1781: 1779: 1778: 1771: 1764: 1756: 1750: 1749: 1744: 1739: 1731: 1730:External links 1728: 1727: 1726: 1713: 1712: 1670: 1650: 1636: 1622: 1608: 1594: 1580: 1566: 1552: 1523: 1512: 1474: 1473: 1471: 1468: 1465: 1464: 1446: 1445: 1443: 1440: 1439: 1438: 1433: 1428: 1423: 1418: 1413: 1408: 1401: 1398: 1389: 1386: 1373: 1370: 1349: 1346: 1321: 1318: 1316: 1313: 1312: 1311: 1307: 1295:Colin Rallings 1283: 1280: 1215: 1212: 1186: 1185: 1176: 1165: 1164: 1163:Single column 1161: 1151: 1148: 1127: 1124: 1111: 1108: 1086: 1083: 1041: 1038: 1030:Coombs' method 986: 985: 983: 982: 975: 968: 960: 957: 956: 944: 943: 931: 918: 915: 914: 911: 910: 905: 900: 895: 890: 878: 877: 872: 867: 862: 857: 846: 841: 840: 837: 836: 833: 832: 827: 822: 817: 802: 801: 799:Turkey-raising 796: 791: 786: 772: 771: 770: 769: 759: 754: 742: 741: 739:Center squeeze 736: 731: 726: 724:Spoiler effect 717: 712: 711: 708: 707: 704: 703: 698: 697: 696: 683:By ballot type 679: 678: 677: 676: 671: 666: 656: 655: 654: 653: 652: 647: 637: 636: 635: 624: 601: 600: 599: 594: 589: 584: 566: 565: 560: 551: 546: 545: 542: 541: 538: 537: 535:Limited voting 532: 531: 530: 511: 510: 505: 500: 495: 494: 493: 488: 469: 468: 463: 458: 453: 439: 438: 433: 428: 423: 409: 408: 407: 406: 404:Localized list 401: 396: 391: 386: 376: 375: 374: 372:Biproportional 369: 364: 359: 343: 338: 337: 334: 333: 330: 329: 324: 319: 314: 300: 299: 284: 269: 245: 244: 243: 242: 237: 232: 227: 217: 203: 202: 201: 200: 189: 176:Instant-runoff 173: 172: 171: 163:Jungle primary 150: 139:Single vote - 137: 132: 131: 128: 127: 125: 124: 114: 109: 104: 99: 93: 90: 89: 79: 78: 68: 67: 26: 24: 14: 13: 10: 9: 6: 4: 3: 2: 2406: 2395: 2392: 2390: 2387: 2385: 2382: 2381: 2379: 2366: 2365: 2360: 2359: 2353: 2347: 2344: 2342: 2339: 2338: 2336: 2332: 2326: 2323: 2321: 2318: 2316: 2313: 2311: 2308: 2306: 2303: 2301: 2298: 2296: 2293: 2292: 2290: 2286: 2280: 2277: 2275: 2272: 2270: 2267: 2265: 2262: 2260: 2257: 2255: 2252: 2250: 2247: 2245: 2242: 2240: 2237: 2235: 2232: 2230: 2227: 2225: 2222: 2220: 2217: 2215: 2212: 2210: 2207: 2205: 2202: 2200: 2197: 2196: 2194: 2190: 2184: 2181: 2179: 2176: 2174: 2171: 2169: 2166: 2165: 2163: 2161: 2157: 2151: 2148: 2146: 2143: 2141: 2138: 2136: 2133: 2131: 2128: 2126: 2123: 2121: 2118: 2116: 2113: 2112: 2110: 2108: 2104: 2094: 2091: 2089: 2086: 2084: 2081: 2079: 2076: 2075: 2073: 2069: 2063: 2060: 2056: 2053: 2051: 2048: 2047: 2046: 2043: 2042: 2040: 2036: 2030: 2027: 2025: 2022: 2018: 2015: 2013: 2010: 2008: 2005: 2004: 2003: 2000: 1998: 1995: 1993: 1990: 1988: 1985: 1983: 1980: 1978: 1975: 1973: 1970: 1969: 1967: 1963: 1960: 1958: 1954: 1948: 1945: 1943: 1940: 1938: 1935: 1933: 1930: 1928: 1925: 1923: 1920: 1918: 1915: 1911: 1908: 1906: 1903: 1901: 1898: 1897: 1896: 1893: 1891: 1888: 1886: 1883: 1879: 1876: 1874: 1871: 1869: 1866: 1864: 1861: 1859: 1856: 1854: 1851: 1849: 1846: 1845: 1844: 1841: 1839: 1836: 1834: 1831: 1827: 1824: 1822: 1819: 1818: 1817: 1814: 1813: 1811: 1809: 1808:Single-winner 1805: 1801: 1799: 1795: 1788: 1784: 1777: 1772: 1770: 1765: 1763: 1758: 1757: 1754: 1748: 1745: 1743: 1740: 1737: 1734: 1733: 1729: 1725: 1720: 1717: 1716: 1708: 1704: 1700: 1696: 1692: 1688: 1684: 1680: 1674: 1671: 1666: 1665: 1660: 1654: 1651: 1646: 1640: 1637: 1632: 1626: 1623: 1618: 1612: 1609: 1604: 1598: 1595: 1590: 1584: 1581: 1576: 1570: 1567: 1562: 1556: 1553: 1541: 1534: 1527: 1524: 1520: 1515: 1509: 1505: 1501: 1497: 1496: 1488: 1486: 1484: 1482: 1480: 1476: 1469: 1461: 1460:2006 election 1457: 1451: 1448: 1441: 1437: 1434: 1432: 1429: 1427: 1424: 1422: 1419: 1417: 1414: 1412: 1409: 1407: 1404: 1403: 1399: 1397: 1395: 1387: 1385: 1383: 1379: 1371: 1369: 1367: 1363: 1358: 1355: 1347: 1345: 1343: 1342:Voter turnout 1339: 1335: 1334:second ballot 1331: 1330:runoff voting 1327: 1319: 1314: 1308: 1304: 1303: 1302: 1300: 1296: 1291: 1288: 1281: 1279: 1277: 1273: 1268: 1264: 1262: 1256: 1254: 1253: 1252:New Statesman 1248: 1245:and academic 1244: 1240: 1239:Raymond Plant 1235: 1233: 1229: 1225: 1221: 1213: 1211: 1209: 1205: 1201: 1197: 1192: 1181: 1171: 1166: 1162: 1159: 1158: 1149: 1147: 1145: 1141: 1137: 1133: 1125: 1123: 1119: 1117: 1109: 1107: 1103: 1097:ballot paper. 1096: 1091: 1084: 1082: 1080: 1076: 1071: 1069: 1064: 1062: 1058: 1054: 1049: 1048:since 1978. 1047: 1039: 1037: 1035: 1031: 1027: 1022: 1020: 1016: 1012: 1007: 1005: 1001: 997: 993: 981: 976: 974: 969: 967: 962: 961: 959: 958: 955: 950: 942: 937: 932: 930: 925: 920: 919: 917: 916: 909: 906: 904: 901: 899: 898:May's theorem 896: 894: 891: 889: 886: 885: 884: 883: 876: 873: 871: 868: 866: 863: 861: 858: 856: 853: 852: 851: 850: 844: 839: 838: 831: 828: 826: 823: 821: 818: 816: 813: 812: 811: 810: 809: 808:majority rule 806:Paradoxes of 800: 797: 795: 792: 790: 787: 785: 782: 781: 780: 779: 778: 768: 765: 764: 763: 760: 758: 755: 753: 750: 749: 748: 747: 740: 737: 735: 732: 730: 727: 725: 722: 721: 720: 715: 710: 709: 702: 699: 695: 692: 691: 690: 687: 686: 685: 684: 675: 672: 670: 667: 665: 662: 661: 660: 657: 651: 648: 646: 643: 642: 641: 638: 634: 629: 625: 623: 618: 614: 613: 612: 609: 608: 607: 606: 602: 598: 595: 593: 590: 588: 585: 583: 580: 579: 578: 577: 572: 571: 570: 564: 561: 559: 556: 555: 554: 549: 548:Mixed systems 544: 543: 536: 533: 529: 526: 525: 524: 521: 520: 519: 518: 517: 509: 508:Random ballot 506: 504: 501: 499: 496: 492: 489: 487: 484: 483: 482: 479: 478: 477: 476: 475: 467: 464: 462: 459: 457: 454: 452: 449: 448: 447: 446: 445: 437: 434: 432: 429: 427: 424: 422: 419: 418: 417: 416: 415: 405: 402: 400: 397: 395: 392: 390: 387: 385: 382: 381: 380: 377: 373: 370: 368: 365: 363: 360: 358: 355: 354: 353: 352:Apportionment 350: 349: 348: 347: 341: 336: 335: 328: 325: 323: 320: 318: 315: 313: 310: 309: 308: 307: 306: 297: 293: 288: 287:Antiplurality 285: 282: 278: 273: 270: 267: 263: 258: 255: 254: 253: 252: 251: 241: 238: 236: 233: 231: 228: 226: 223: 222: 221: 218: 216: 215:Condorcet-IRV 213: 212: 211: 210: 209: 199: 194: 190: 188: 183: 179: 178: 177: 174: 170: 167: 166: 164: 159: 154: 151: 149: 146: 145: 144: 142: 135: 130: 129: 122: 118: 115: 113: 110: 108: 105: 103: 100: 98: 97:Social choice 95: 94: 92: 91: 85: 81: 80: 77: 73: 72:Social choice 69: 65: 61: 57: 56: 50: 46: 41: 35: 30: 19: 2362: 2356: 1972:Mixed-member 1957:Proportional 1932:Score voting 1904: 1873:Ranked pairs 1792:Part of the 1791: 1719: 1693:(4): 67–90. 1690: 1686: 1673: 1662: 1653: 1639: 1625: 1611: 1597: 1583: 1569: 1555: 1543:. Retrieved 1539: 1526: 1517: 1494: 1450: 1393: 1391: 1381: 1375: 1365: 1361: 1359: 1351: 1333: 1329: 1323: 1292: 1289: 1285: 1269: 1265: 1257: 1250: 1236: 1224:Labour Party 1217: 1193: 1189: 1129: 1120: 1115: 1113: 1104: 1100: 1072: 1065: 1052: 1050: 1043: 1023: 1014: 1008: 1002:. The voter 991: 989: 881: 880: 847: 805: 804: 789:Exaggeration 775: 774: 745: 744: 718: 682: 681: 650:Mixed ballot 605:Compensatory 603: 576:compensatory 573: 568: 552: 514: 513: 472: 471: 442: 441: 412: 411: 399:List-free PR 344: 312:Score voting 303: 302: 248: 247: 235:Ranked pairs 206: 205: 138: 48: 29: 2315:Spoilt vote 2078:Droop quota 2017:Schulze STV 1992:Rural–urban 1937:STAR voting 1833:Borda count 1160:Two column 1093:Example of 689:Single vote 592:Conditional 587:Coexistence 436:Quota Borda 426:Schulze STV 384:Closed list 327:STAR voting 272:Borda count 2378:Categories 2334:Comparison 2088:Hare quota 2038:Allocation 2024:Spare vote 2012:Hare-Clark 1982:Party-list 1470:References 1324:Under the 794:Truncation 523:Cumulative 346:Party-list 121:By country 112:Comparison 2325:Unseating 2320:Sortition 1922:Plurality 1798:Economics 1707:155007579 701:Dual-vote 394:Panachage 389:Open list 379:List type 257:Plurality 153:Two-round 141:plurality 64:Economics 45:flowchart 2192:Criteria 2145:Scorporo 1794:politics 1545:July 21, 1400:See also 1332:and the 1210:(FPTP). 1110:Variants 421:Hare STV 60:Politics 58:A joint 47:for the 2364:Project 2055:D'Hondt 2007:CPO-STV 1965:Systems 1458:in the 1079:Alabama 1028:(IRV), 431:CPO-STV 281:Baldwin 230:Schulze 225:Minimax 143:methods 2358:Portal 2295:Ballot 2071:Quotas 1800:series 1705:  1519:vote." 1510:  1456:Newham 1032:, and 994:is an 296:Coombs 66:series 2288:Other 2107:Mixed 1738:(PDF) 1703:S2CID 1536:(PDF) 1442:Notes 1040:Usage 633:'MMP' 622:'AMS' 1796:and 1722:See 1547:2022 1508:ISBN 1376:The 1360:The 1352:The 1297:and 1059:and 1051:The 990:The 574:Non- 528:SNTV 117:List 74:and 62:and 2120:MMP 1695:doi 1500:doi 292:el. 277:el. 266:IRV 262:el. 2380:: 2361:— 1701:. 1691:28 1689:. 1681:; 1661:. 1538:. 1516:. 1506:. 1478:^ 1340:. 1021:. 628:NZ 617:UK 193:US 182:UK 165:) 158:US 43:A 1775:e 1768:t 1761:v 1709:. 1697:: 1605:. 1577:. 1549:. 1502:: 1462:. 979:e 972:t 965:v 630:: 619:: 298:) 289:( 283:) 274:( 268:) 259:( 195:: 184:: 160:: 155:( 123:) 119:( 51:. 36:. 20:)

Index

Contingent voting
contingent election

flowchart
Politics
Economics
Social choice
electoral systems

Social choice
Mechanism design
Comparative politics
Comparison
List
By country
Single-winner methods
plurality
First preference plurality (FPP)
Two-round
US
Jungle primary
Partisan primary
Instant-runoff
UK
Alternative vote
US
Ranked-choice (RCV)
Condorcet methods
Condorcet-IRV
Round-robin voting

Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.

↑