Elections in Japan
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Elections in Japan

The Japanese political process has three types of elections: general elections to the House of Representatives held every four years (unless the lower house is dissolved earlier), elections to the House of Councillors held every three years to choose half of its members, and local elections held every four years for offices in prefectures and municipalities. Elections are supervised by Election Administration Commissions at each administrative level under the general direction of the Central Election Management Council, an extraordinary organ attached to the Ministry of Internal Affairs and Communications (MIC). The minimum voting age in Japan's non-compulsory electoral system was reduced from twenty to eighteen years in June 2016.[1] Voters must satisfy a three-month residency requirement before being allowed to cast a ballot.

For those seeking offices, there are two sets of age requirements: twenty-five years of age for admission to the House of Representatives and most local offices, and thirty years of age for admission to the House of Councillors and the prefectural governorship. Each deposit for candidacy for national election is 3 million yen (about 27 thousand dollars) for a single-seat constituency and 6 million yen (about 54 thousand dollars) for proportional representation.

National elections

Japan's postwar national legislature, the National Diet (, Kokkai), has two directly elected chambers, elected on independent electoral cycles:

General elections of members of the House of Representatives (, Sh?gi-in giin s?-senkyo) are usually held before the end of a four-year term as the chamber may be dissolved by the cabinet via the Emperor. Most prime ministers use that option. The only exception in post-war history was the "Lockheed Election" of 1976 in which the Liberal Democratic Party lost its seat majority for the first time.

The single-seat constituencies are decided by plurality, and the proportional seats are handed out in each "block" constituency to party lists proportionally (by the D'Hondt method) to their share of the vote. Each voter votes twice, once for a candidate in the local constituency, and once for a party in the regional "block" constituency. In a parallel system, there is no link between votes in one tier and seat numbers in the other; but so-called dual candidacies (, j?fuku rikk?ho) of one candidate in both tiers simultaneously are allowed. If such dual candidates lose in the majoritarian tier, they still have a chance to be elected in the proportional block. Parties may also place dual district and block candidates on the same list rank; in that case, the Sekihairitsu (, ratio of margin of defeat) system determines the order of candidates.

In staggered elections, half of the House of Councillors comes up for election every three years in regular/ordinary elections of members of the House of Councillors (, Sangi-in giin ts?j?-senkyo). The term is fixed, the House of Councillors cannot be dissolved. This, too, is a parallel electoral system. Dual candidacies are not allowed. As in House of Representatives elections, voters have two votes: In the majoritarian election, the vote has to be for a candidate, but in the proportional election, the vote may be for either a party list or a single candidate; in the latter case, the vote counts as both a vote for the party list (to determine proportional seat distribution), and as a preference vote within that list (to determine the order or proportional candidates within that list). The district magnitudes in the majoritarian tier vary between one and six, dependent on, but not fully proportional to the population of each prefecture. In single-member constituencies, SNTV becomes equivalent to first-past-the-post, whereas seats are usually split between different parties/alliances in multi-member constituencies (and in the proportional constituency by definition). Therefore, the single-member constituencies of the House of Councillors (, Sangiin ichinin-ku) are more likely to swing the election result and often receive more media and campaign attention. The proportional election to the House of Councillors allows the voters to cast a preference vote for a single candidate on a party list. The preference votes strictly determined the ranking of candidates on party lists before 2019. Since the 2019 election, parties are allowed to prioritize individual candidates on their proportional list over voter preferences in a "special frame" (, tokutei-waku). In the 2019 election, almost all parties continued to use completely open lists; exceptions were the LDP which used the "special frame" to give secure list spots to two LDP prefectural federations affected by the introduction of combined constituencies in 2016, Reiwa Shinsengumi which used it to give secure list spots to two candidates with severe disabilities, and the minor "Labourers' Party for the liberation of labour".[3][4]

Voting in Higashi?saka, Osaka Prefecture, Japan, 2014.

The electoral cycles of the two chambers of the Diet are usually not synchronized. Even when the current constitution took effect in 1947, the first House of Councillors election was held several days apart from the 23rd House of Representatives election. Only in 1980 and 1986, general and regular election coincided on the same day because the House of Representatives was dissolved in time for the election to be scheduled together with the House of Councillors election in early summer.

Vacant district seats in both Houses are generally filled in by-elections (?, hoketsu senkyo). Nowadays, these are usually scheduled in April and October as necessary. Vacant proportional seats in both Houses and district seats in the House of Councillors that fall vacant within three months of a regular election are filled by kuriage-t?sen (, roughly "being elected as runner-up"): the highest ranking candidate on a proportional list or in the electoral district who was not elected and is not disqualified takes the seat. Disqualifications may, for example, happen if a candidate for the House of Councillors runs for the House of Representatives or vice versa, or after a violation of campaign laws.

For many years, Japan was a one party dominant state until 1993 with the Liberal Democratic Party (, Jiy?-Minshu-t?) as the ruling party. It won a majority of the popular vote in House of Representatives general elections until the 1960s. It lost the majority of seats in 1976 and 1979, but continued to rule without coalition partners with the support of independent Representatives. After the 1983 election when it again lost the majority, it entered a coalition for the first time - with the New Liberal Club (, Shin-Jiy?-kurabu). In 1986, the coalition ended as the LDP won a large majority of seats and even came close to a majority of votes. The party suffered its first clear electoral defeat in the 1989 House of Councillors regular election when it lost the upper house majority and had to face for the first time a divided Diet (, Nejire Kokkai, lit. "twisted Diet") where passing legislation depends on cooperation with the opposition. The LDP was out of government for the first time in 1993 after Ichir? Ozawa and his faction had left the party and the opposition parties united in an anti-LDP coalition, but then soon returned to the majority in 1994 by entering a coalition with its traditional main opponent, the Japan Socialist Party (, Nihon-Shakai-t?). The 2009 House of Representatives elections handed the first non-LDP victory to the Democratic Party of Japan (, Minshu-t?).

According to a survey by Yomiuri Shimbun in April 2010, almost half of Japanese voters do not support any political parties due to political inefficiency.[5]

Election of the Prime Minister

Between 1885 and 1947 in the Empire of Japan, the prime minister was not elected, but responsible to, chosen and appointed by the Emperor. In practice, the Genr? () usually nominated a candidate for appointment. The Imperial Diet (?, Teikoku-gikai) and its elected lower house, the House of Representatives, which were set up in 1890 according to the Imperial Constitution, had no constitutionally guaranteed role in the formation of cabinets.[6][better source needed]

Since 1947, the Prime Minister has been chosen in the "designation election of the prime minister" (?, Naikaku s?ridaijin shimei senkyo) (ja) in the National Diet. It is held after a cabinet has submitted its resignation - the outgoing cabinet remains as caretaker cabinet until the Imperial inauguration ceremony of a new prime minister -; a cabinet must resign en masse under the constitution (Articles 69 and 70) 1. always on convocation of the first Diet after a general election of the House of Representatives, 2. if the post of prime minister has fallen vacant - that includes cases when the prime minister is permanently incapacitated, e.g. by illness, kidnapping or defection -, or 3. if a no-confidence vote in the House of Representatives is not answered by the dissolution of the chamber. Though both Houses of the Diet vote in two-round elections to select a prime minister, the House of Representatives has the decisive vote: If the two Houses vote for different candidates (as they did in 1948, 1989, 1998, 2007 and 2008), a procedure in the joint committee of both houses (, Ry?in Ky?gikai) may reach a consensus; but eventually the candidate of the House of Representatives becomes that of the whole Diet and thereby prime minister-designate. The designated prime minister must still be ceremonially appointed by the Emperor in the Imperial Investiture (, Shinnin-shiki) to enter office; but unlike some heads of state, the Emperor has no reserve power to appoint anyone other than the person elected by the Diet.

In 2001, LDP president and Prime Minister Junichir? Koizumi instituted an advisory council to investigate the possibility of introducing direct popular election of the prime minister in a constitutional revision.[7]

Latest results

2021 by- & repeat elections to both houses

The centre-left opposition won all three April 2021 elections to the Diet:[8]

  • In the repeat election to the House of Councillors in Hiroshima following the invalidation of Anri Kawai's 2019 election, opposition-supported announcer Haruko Miyaguchi (I/O - CDP, DPFP, SDP) defeated former METI bureaucrat Hidenori Nishita (LDP - K?meit?).[9]
  • In the Nagano by-election to the House of Councillors, Jir? Hata (CDP - JCP, DPFP, SDP) beat former H.R. member Yutaka Komatsu (LDP - K?meit?) to fill his late brother's seat.[10]
  • In the Hokkaid? 2 by-election to the House of Representatives caused by the resignation of Takamori Yoshikawa (LDP) for health reasons during the Akita Foods scandal, former member Kenk? Matsuki (CDP - DPFP, SDP) won safely with 43,7 % of the vote against a field of several independent/third-pillar candidates, the ruling parties did not contest the race directly and endorsed no candidate.[11]

2020 House of Representatives by-election

The 26 April by-election in Shizuoka's 4th district was won by former prefectural assemblyman Y?ichi Fukazawa (LDP - K?meit?). With 61% of the vote, he easily beat opposition candidate Ken Tanaka (I - CDP, DPFP, JCP, SDP; 35%), a former prefectural assembly member from Tokyo, and two other candidates to fill the seat vacated by Yoshio Mochizuki's death in December.[12]

2019 House of Councillors by-election

The 27 October by-election in Saitama to fill the vacancy created by Motohiro ?no's (DPFP) resignation was won by previous governor and former DPJ House of Representatives member Kiyoshi Ueda who had been an independent since his move from national to prefectural politics in 2003. The only other candidate was Takashi Tachibana for the anti-NHK party.[13][14]

2019 House of Councillors regular election

Results[15] summary:

  • Proportional tier (1 nationwide constituency, 50 seats), turnout 48.79%
    • LDP 33 candidates, 35.4% of votes, 19 seats (38% of seats)
    • CDP 22 candidates, 15.8%, 8 seats (16%)
    • Komeito 17 candidates, 13.1%, 7 seats (14%)
    • Ishin 14 candidates, 9.8%, 5 seats (10%)
    • JCP 26 candidates, 9.0%, 4 seats (8%)
    • DPFP 14 candidates, 7.0%, 3 seats (6%)
    • Reiwa Shinsengumi 9 candidates, 4.6%, 2 seats (4%) and gained legal status as national-level political party (>2% of votes)
    • SDP 4 candidates, 2.1%, 1 seat (2%)
    • N-Koku 4 candidates, 1.97%, 1 seat (2%)
    • 4 other parties (aggregate) 12 candidates, 1.4%, no seats
  • Majoritarian tier (45 constituencies, 74 seats), turnout 48.80%
    • Governing parties (LDP+Komeito): 56 candidates, 47.5 % of votes, 45 seats (60.8% of seats)
    • Centre-left opposition (CDP+DPFP+JCP+SDP): 51 candidates, 30.0 %, 15 seats (20.3%)
    • Independents: 31 candidates (many of them jointly supported by the centre-left alliance in single-member constituencies) 10.6 %, 9 seats (12.2%, all of them centre-left opposition)
    • Ishin: 8 candidates, 7.3%, 5 seats (6.8%)
    • N-Koku: 37 candidates, 3.0%, no seats, but gained legal party status
    • Others (aggregate: Reiwa Shinsengumi & 5 other parties) 32 candidates, 1.6 %, no seats

2019 House of Representatives by-elections

The LDP lost both April 2019 by-elections, in Okinawa to the left opposition, in Osaka to the Ishin no Kai.

2017 House of Representatives general election

House of Representatives Japan 2017.svg
Liberal Democratic Party 18,555,71733.286626,500,77747.82218284-7
Constitutional Democratic Party of Japan11,084,89019.88374,726,3268.531855New
Kib? no T?9,677,52417.363211,437,60220.641850New
Japanese Communist Party4,404,0817.90114,998,9329.02112-9
Nippon Ishin no Kai3,387,0976.0781,765,0533.18311New
Social Democratic Party 941,3241.691634,7701.15120
Happiness Realization Party292,0840.520159,1710.29000
New Party Daichi226,5520.4100New
Shiji Seit? Nashi125,0190.22000
Party for Japanese Kokoro85,5520.1500-2
Assembly for Zero Parliamentary Compensation21,8920.0400New
New Party Constitution Article 96,6550.0100New
Fair Party5,5180.0100New
Japan New Party5,2910.0100New
Assembly to Make Nagano Prefecture the Best Economy in Japan3,7840.0100New
Workers Party Aiming for Liberation of Labor3,1330.0100New
Association to Innovate Metropolitan Government2,9310.0100New
Katsuko Inumaru and Republican Party1,5700.00000
World Economic Community Party1,3070.00000
Valid votes55,757,55297.9155,422,08897.32
Invalid/blank votes1,187,7022.091,528,8692.68
Total votes56,945,254100.0056,950,957100.00
Registered voters/turnout106,091,22953.68106,091,22953.68
Source: Ministry of Internal Affairs and Communications


In the 1980s, apportionment of electoral districts still reflected the distribution of the population in the years following World War II, when only one-third of the people lived in urban areas and two thirds lived in rural areas. In the next forty-five years, the population became more than three-quarters urban, as people deserted rural communities to seek economic opportunities in Tokyo and other large cities. The lack of reapportionment led to a serious underrepresentation of urban voters. Urban districts in the House of Representatives were increased by five in 1964, bringing nineteen new representatives to the lower house; in 1975 six more urban districts were established, with a total of twenty new representatives allocated to them and to other urban districts. Yet great inequities remained between urban and rural voters.

In the early 1980s, as many as five times the votes were needed to elect a representative from an urban district compared with those needed for a rural district. Similar disparities existed in the prefectural constituencies of the House of Councillors. The Supreme Court had ruled on several occasions that the imbalance violated the constitutional principle of one person-one vote. The Supreme Court mandated the addition of eight representatives to urban districts and the removal of seven from rural districts in 1986. Several lower house districts' boundaries were redrawn. Yet the disparity was still as much as three urban votes to one rural vote.

After the 1986 change, the average number of persons per lower house representative was 236,424. However, the figure varied from 427,761 persons per representative in the fourth district of Kanagawa Prefecture, which contains the large city of Yokohama, to 142,932 persons in the third district of largely rural and mountainous Nagano Prefecture.

The 1993 reform government under Hosokawa Morihiro introduce a new electoral system whereby 200 members (reduced to 180 beginning with the 2000 election) are elected by proportional representation in multi-member districts or "blocs" while 300 are elected from single-candidate districts.[16]

Still, according to the 6 October 2006 issue of the Japanese newspaper Daily Yomiuri, "the Supreme Court followed legal precedent in ruling Wednesday that the House of Councillors election in 2004 was held in a constitutionally sound way despite a 5.13-fold disparity in the weight of votes between the nation's most densely and most sparsely populated electoral districts".[]

The 2009 general House of Representatives election was the first unconstitutional lower house election under the current electoral system introduced in 1994 (parallel voting and "small" FPTP single-member electoral districts/"Kakumander"). In March 2011, the Grand Bench (daih?tei) of the Supreme Court ruled that the maximum discrepancy of 2.30 in voting weight between the K?chi 3 and Chiba 4 constituencies in the 2009 election was in violation of the constitutionally guaranteed equality of all voters. As in previous such rulings on unconstitutional elections (1972, 1980, 1983 and 1990 Representatives elections, 1992 Councillors election), the election is not invalidated, but the imbalance has to be corrected by the Diet through redistricting and/or reapportionment of seats between prefectures.[17]

In 2016, a panel of experts proposed to introduce the [John Quincy] Adams apportionment method (method of smallest divisors) for apportioning House of Representatives seats to prefectures. The reform is planned to be implemented after the 2020 census figures are available and not expected to take effect before 2022.[18] In the meantime, another redistricting and apportionment passed in 2017 is designed to keep the maximum malapportionment ratio in the House of Representatives below 2. In the FPTP tier, it changes 97 districts and cuts six without adding any; in the proportional tier, four "blocks" lose a seat each; the total number of seats in the lower house is cut to 465, 289 majoritarian seats and 176 proportional seats.[19]

The malapportionment in the 2010[20] and 2013[21] regular House of Councillors elections was ruled unconstitutional (or "in an unconstitutional state") by the Supreme Court, and has been reduced by a 2015 reapportionment below 3 (at least in government statistics from census data which is regular and standardized but lags behind resident registration statistics and the actual number of eligible voters; using the latter, the maximum malapportionment in the 2016 election remained slightly above 3[22][23]).

The following table lists the 10 electoral districts with the highest and lowest number of registered voters per member elected for each chamber of the National Diet according to the voter statistics as of September 2016 released by the Ministry of Internal Affairs and Communications - it takes into account the lowering of the voting age and the district reforms to both houses of the Diet in effect since the 2014 and 2016 elections, but not the 2017 redistricting/reapportionment effective from the next House of Representatives election.

Electoral districts with the highest and lowest voting weight for the National Diet as of 2016[24]
House of Representatives House of Councillors
Lowest vote weight Highest vote weight Lowest vote weight Highest vote weight
# District Registered voters District Registered voters District Registered voters
per member elected
District Registered voters
per member elected
1 Tokyo 1 514,974 Fukushima 4 233,491 Saitama 1,015,543 Fukui 328,772 1
2 Hokkaid? 1 505,510 Miyagi 5 234,373 Niigata 978,686 Saga 346,727 2
3 Tokyo 3 504,929 Kagoshima 5 240,056 Miyagi 975,466 Yamanashi 353,402 3
4 Tokyo 5 498,903 Tottori 1 240,874 Kanagawa 951,735 Kagawa 417,082 4
5 Hy?go 6 492,173 Nagasaki 3 242,165 Tokyo 937,470 Wakayama 419,011 5
6 Tokyo 6 490,674 Tottori 2 242,194 Osaka 915,000 Akita 448,236 6
7 Tokyo 19 488,494 Nagasaki 4 242,303 Nagano 885,638 Toyama 452,822 7
8 Tokyo 22 486,965 Aomori 3 244,007 Chiba 871,110 Miyazaki 466,829 8
9 Saitama 3 483,014 Mie 4 244,825 Gifu 850,190 Yamagata 475,419 9
10 Tokyo 23 481,206 Iwate 3 246,272 Tochigi 827,368 Ishikawa 481,027 10

Prefectural and local elections

Prefectural assemblies and governors, as well as mayors and assemblies in municipalities, are elected for four-year terms. In April 1947, all local elections in the 46 prefectures (excluding Okinawa, then under US military rule) and all their municipalities were held at the same time in "unified local elections" (t?itsu chih? senkyo). Since then, some gubernatorial and mayoral elections, and most assembly elections, have stayed on this original four-year cycle. Most governors and mayors are now elected on different schedules as the four-year cycle "resets" upon the resignation, death or removal of a sitting governor or mayor. Some assembly election cycles have also shifted due to assembly dissolutions or mergers of municipalities. In the last unified local elections in April 2015, 10 of 47 governors, 41 of 47 prefectural assemblies, 222 mayors and 689 municipal assemblies were scheduled to be elected.

Unified elections

As of 2015, the major contests in the unified local elections are as follows:

Prefecture Governor Assembly Designated city races
Hokkaido ? ? Sapporo mayor
Sapporo assembly
Aomori ?
Akita ?
Yamagata ?
Tochigi ?
Gunma ?
Saitama ? Saitama assembly
Chiba ? Chiba assembly
Kanagawa ? ? Yokohama assembly
Kawasaki assembly
Sagamihara mayor
Sagamihara assembly
Niigata ? Niigata assembly
Toyama ?
Ishikawa ?
Fukui ? ?
Yamanashi ?
Nagano ?
Gifu ?
Shizuoka ? Shizuoka mayor
Hamamatsu mayor
Hamamatsu assembly
Aichi ? Nagoya assembly
Mie ? ?
Shiga ?
Kyoto ? Kyoto assembly
Osaka ? Osaka assembly
Sakai assembly
Hyogo ? Kobe assembly
Nara ? ?
Wakayama ?
Tottori ? ?
Shimane ? ?
Okayama ? Okayama assembly
Hiroshima ? Hiroshima mayor
Hiroshima assembly
Yamaguchi ?
Tokushima ? ?
Kagawa ?
Ehime ?
K?chi ?
Fukuoka ? ? Fukuoka assembly
Saga ?
Nagasaki ?
Kumamoto ? Kumamoto assembly
Oita ? ?
Miyazaki ?
Kagoshima ?

Although Tokyo's metropolitan governor and assembly elections are currently held on separate schedules, 21 of the 23 special wards of Tokyo follow the unified election schedule for their assembly elections, the only exceptions being Katsushika and Adachi. The majority of Tokyo's special wards follow separate cycles for their mayoral elections. Tokyo elected its governor as part of the unified elections until 2011, but was forced to hold a 2012 election and 2014 election due to the resignations of Shintaro Ishihara and Naoki Inose.

Iwate Prefecture, Miyagi Prefecture and Fukushima Prefecture are no longer on the unified election cycle due to the 2011 Tohoku earthquake and tsunami, which delayed their elections.

Other major local election cycles

  • Since 1971, Ibaraki Prefecture has held its prefectural assembly elections in the December preceding the unified election, making this election a regular leading indicator of the nationwide elections in the following April. The 2014 Ibaraki election was held on the same day as the 2014 Japanese general election.
  • Approximately 193 new municipalities were created in a wave of "Heisei mergers" effective in April 2005. Their first municipal elections were held around this time, and coincided with the Chiba and Akita gubernatorial elections and the Nagoya mayoral election, creating a second major local election cycle sometimes referred to as the "mini unified local elections."
  • Okinawa Prefecture and most of its local governments continue to follow a four-year cycle that began following repatriation to Japan in June 1972, with several exceptions (including the city of Naha). Okinawa elections generally occur in the year following the unified elections; the next is scheduled for June 2016.

2021 electoral calendar

Upcoming elections due to expiring terms (additional early elections may be caused by resignations, deaths, votes of no confidence, dissolutions, recalls etc.):

  • National elections
    • April 25, 2021: By- and repeat elections (hoketsu- & sai-senkyo) for vacant majoritarian seats in the National Diet: the Nagano seat in the 2019-25 class and one Hiroshima seat in the 2019-25 class of the House of Councillors, Hokkaid? 2 in the House of Representatives
    • October 24, 2021: By-elections for vacant majoritarian seats in the National Diet as necessary (unless the 2021 House of Representatives general election is held very early, it is unlikely that there will be a House of Representatives by-election in October 2021) - one majoritarian vacancy as of May 2021: one Shizuoka seat in the 2016-22 class of the House of Councillors.[25]
    • Before autumn 2021 (end of term 2021/10/21): 49th general election of [all 465] members of the House of Representatives
    • Summer 2022 (end of term 2022/7/25): 26th regular election of [124] members of the House of Councillors
    • Summer 2025 (end of term 2025/7/28): 27th regular election of [the remaining 124] members of the House of Councillors
  • Prefectural elections
    • Gubernatorial elections
      • 2021/1/24 (official announcement 1/7): Gifu (end of term 2/5),[26] Yamagata (end of term 2/13)[27]
      • 2021/3/21 (official announcement 3/4): Chiba (end of term 4/4)[28]
      • 2021/4/4 (official announcement 3/18): Akita (end of term 4/19)[29]
      • 2021/4/11 (official announcement 3/25): Fukuoka (early election following resignation)[30]
      • 2021/6/20 (official announcement 6/3): Shizuoka (end of term 7/4)[31]
      • 2021/7/18 (official announcement 7/1): Hy?go (end of term 7/31)[32]
      • 2021/9/5 (official announcement 8/19): Ibaraki (end of term 9/25)[33]
      • Rest of 2021: Miyagi (end of term 11/20), Hiroshima (end of term 11/28)
    • Assembly general elections
      • 2021/7/4 (official announcement 6/25): Tokyo (end of term 2021/7/22)[34]
  • Major municipal elections (designated major cities only)
    • Mayoral elections
      • 2021 Nagoya mayoral election - 2021/4/25 (official announcement 4/11): Nagoya (end of term 4/27)[35]
      • 2021/5/23 (official announcement 5/9): Saitama (end of term 5/26)[36][37]
      • 2021/3/21 (official announcement 3/7): Chiba (early election following resignation)[38]
      • 2021/8/1 (official announcement 7/18) Sendai (end of term 8/21)[39]
      • 2021/8/22 (official announcement 8/8): Yokohama (end of term 8/29)[40]
      • 2021/10/3 (official announcement 9/19): Okayama (end of term 10/8)[41]
      • 2021/10/24 (official announcement 10/10): Kawasaki (end of term 11/18),[42] K?be (end of term 11/19)[43]
    • Assembly general elections
      • 2021/1/31 (official announcement 1/22): Kitaky?sh? (end of term 2/9)[44]
      • 2021/3/28 (official announcement 3/19): Shizuoka (end of term 3/31)[45]

Ballots, voting machines and early voting

A used Japanese ballot paper from the 1952 House of Representatives election, in this case spoilt by writing "There is no suitable person" (, Gait?-sha Nashi). The only thing that is literally "on the ballot" in Japan before a voter votes is an empty box titled "candidate name" (, K?ho-sha Shimei) and usually a text next to it with general notes such as "Please don't write anything other than the name of an actual candidate." or "Please don't write outside the box."
A sample ballot paper for a House of Representatives election according to a 1945 Home Ministry ordinance

Votes in national and most local elections are cast by writing the candidate's or party's name on a blank ballot paper. In elections for the House of Representatives voters fill in two ballots, one with the name of their preferred district candidate and one with their preferred party in the proportional representation block. For the House of Councillors, the district vote is similar (in SNTV multi-member districts, several candidates can be elected, but every voter has only one vote). But in the proportional vote for the House of Councillors votes are cast for a party list (to determine how many proportional seats a party receives) or a candidate (which additionally influences which candidates are elected from a party's list).[46]

Ballots that cannot unambiguously be assigned to a candidate are not considered invalid, but are assigned to all potentially intended candidates proportionally to the unambiguous votes each candidate has received. These so-called "proportional fractional votes" (, Anbun-hy?) are rounded to the third decimal.[47][48] For example, if "Yamada A" and "Yamada B" both stood in an election and there were 1500 unambiguous votes: 1000 for "Yamada A" and 500 for "Yamada B"; five ambiguous votes for "Yamada" would then count for Yamada A as 5×1000/1500=3.333 votes, and for Yamada B as 5×500/1500=1.667 votes. The official overall result would then be: Yamada A 1003.333 votes, Yamada B 501.667 votes.

In 2002, passage of an electronic voting law[49] allowed for the introduction of electronic voting machines in local elections.[50] The first machine vote took place in Niimi, Okayama in June 2002.[51] In 2003, a system for early voting (?, Kijitsu-mae t?hy? seido) was introduced.[52] In the 2017 general/House of Representatives election, a record number of more than 21 million Japanese voted early;[53] at the same time overall turnout was low (the second lowest in history), so in 2017, roughly 38 % of all actual voters had voted early. For regular/House of Councillors elections, the 2019 election set a new all-time high with more than 17 million early voters,[54] corresponding to roughly a third of actual voters in 2019 as overall turnout hit the second lowest value in history.


In Japan, walkovers in elections are called Mut?hy? t?sen (), "[being] elected without vote". And there is literally no vote held in a walkover in Japan, no way to vote "no" or abstain explicitly: If there are only as many candidates in an election as there are seats/offices at the start of the legal election period ("official announcement": k?ji () in national general and regular elections; kokuji () in prefectural and municipal elections as well as national by-elections), they are declared the winners. But the otherwise applicable moratorium period after regular elections on recall attempts does not apply after a walkover. (Recalls are a two-/three-step procedure: first, supporters of a recall must collect a sufficient number of signatures; if they do, a referendum is held on whether or not to recall the incumbent; only if that is accepted by a majority, a fresh election is scheduled.) Article 100 of the Public Offices Election Law deals with walkovers,[55] there are additional walkover provisions for subnational elections in the Local Autonomy Law.

Walkovers have become widespread in prefectural and municipal elections in recent years; in the 2019 unified local elections, out of 2277 seats up in 945 electoral districts for 41 prefectural assemblies, a record 612 seats are won by walkovers in a total of 371 districts or 39% of all electoral districts. In one extreme case, a rural single-member electoral district to the Shimane prefectural assembly, there hasn't been a contested election in 31 years (the whole Heisei period).[56][57]

See also


  1. ^ "Diet enacts law lowering voting age to 18 from 20". The Japan Times.
  2. ^ "Diet passes controversial bill adding seats to Japan's Upper House for first time in nearly half a century". The Japan Times. 18 July 2018. Retrieved 2019.
  3. ^ Jiji Press, 4 July 2019: 19?, retrieved 18 September 2019.
  4. ^ Mainichi Shimbun, 5 July 2019: 2019 ?5 , retrieved 18 September 2019.
  5. ^ Nishikawa, Yoko (4 April 2010). "Nearly half of Japan's voters don't support any party". Reuters. Retrieved 2010.
  6. ^ The Ally From The Far East - Japan in World War 1. Retrieved 2017.
  7. ^ Kantei: Advisory Council to Consider the Direct Election of the Prime Minister
  8. ^ Asahi Shimbun Asia & Japan Watch, April 25, 2021: LDP suffers setback with losses in 2 Diet elections, retrieved April 25, 2021.
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