Tokyo 22nd District(東京都第22区, Tokyo-to dai-junini-ku; or 東京22区, Tokyo nijuni-ku) is an electoral district of the Japanese House of Representatives located in Western Tokyo. The district was created in 1994 as part of the move to single-member constituencies.

Areas covered

Current district

As of 13 January 2023, the areas covered by this district are as follows:

As part of the 2022 reapportionments, the remaining sections of Inagi were given to the new 30th district.

Areas 2017–2022

From the second redistricting in 2017 until the third redistricting in 2022, the areas covered by this district were as follows:

As part of the 2017 redistricting, parts of Inagi city were transferred to the 21st district.

Areas 2002–2017

From the first redistricting in 2002 until the second redistricting in 2017, the areas covered by this district were as follows:

As part of the 2002 redistricting, Fuchū was moved to the 18th district and Mitaka was gained from that same district.

Areas from before 2002

From the founding of this district in 1994 until the first redistricting in 2002, the areas covered by this district were as follows:

Elected representatives

RepresentativePartyYears servedNotes
Tatsuya ItoNFP1996 – 2000Joined the LDP and won a seat in the Tokyo PR district
Ikuo YamahanaDPJ2000 – 2005Lost re-election in the 2005 general election
Tatsuya ItoLDP2005 – 2009Lost re-election in the 2009 general election
Ikuo YamahanaDPJ2009 – 2012Lost re-election in the 2012 general election. Won election to the Tokyo PR district in the 2017 general election.
Tatsuya ItoLDP2012 – 2024
Ikuo YamahanaCDP2024 – 2026
Tatsuya ItoLDP2026 –

Election results

‡ - Also ran for the Tokyo PR district

‡‡ - Also ran for and was elected to the Tokyo PR district

2026
PartyCandidateVotes%±%
LDPTatsuya Ito132,68951.512.5
Centrist ReformIkuo Yamahana87,49433.96.3
SanseitōMika Suzuki‡‡ (won seat in PR)37,69714.64.1
Registered electors429,768
Turnout61.872.26
LDP gain from Centrist Reform
2024
PartyCandidateVotes%±%
CDPIkuo Yamahana99,79040.20.1
LDPTatsuya Ito‡‡ (won seat in PR)96,74839.07.6
SanseitōMika Suzuki26,00510.5
JCPYoshitaka Hirano25,45310.3
Registered electors428,356
Turnout59.610.40
CDP gain from LDP
2021
PartyCandidateVotes%±%
LDPTatsuya Ito‡ (incumbent) (endorsed by Komeito)131,35146.93.5
CDPIkuo Yamahana‡ (incumbent - Tokyo PR)112,39340.14.3
ReiwaMari Kushibuchi31,98111.4New
Anti-NHKYouhei Hasegawa4,5351.6New
Registered electors478,721
Turnout287,28160.04.3
LDP holdSwing3.1
2017
PartyCandidateVotes%±%
LDPTatsuya Ito‡ (incumbent) (endorsed by Komeito)110,49343.42.6
CDPIkuo Yamahana‡‡91,07335.8New
Kibō no TōEmi Kanegasaki‡30,23611.9New
JCPMakoto Abe22,8599.05.6
Registered electors465,616
Turnout259,48855.70.4
LDP holdSwing4.3
2014
PartyCandidateVotes%±%
LDPTatsuya Ito‡ (incumbent) (endorsed by Komeito)116,75746.06.0
DemocraticIkuo Yamahana80,01431.58.5
JCPJun Sakauchi36,98014.65.7
Japanese KokoroAkira Shikano‡20,2888.0New
Registered electors466,679
Turnout261,85756.18.3
LDP holdSwing3.4
2012
PartyCandidateVotes%±%
LDPTatsuya Ito‡ (endorsed by Komeito)115,29040.01.7
DemocraticIkuo Yamahana‡ (incumbent) (endorsed by the PNP)66,21023.027.6
RestorationAkira Shikano‡40,69814.1New
YourKen Tsuyama‡37,80513.1New
JCPJun Sakauchi25,7408.90.4
Happiness RealizationYoshihiro Ihara2,1800.8New
Registered electors462,725
Turnout298,18064.43.5
LDP gain from DemocraticSwing7.8
2009
PartyCandidateVotes%±%
DemocraticIkuo Yamahana154,90450.613.4
LDPTatsuya Ito‡ (incumbent) (endorsed by Komeito)117,31538.313.8
JCPMasafumi Yoshioka28,5569.30.5
Happiness RealizationKen Tsuyama‡5,5011.8New
Registered electors459,207
Turnout311,89367.91.6
Democratic gain from LDPSwing11.1
2005
PartyCandidateVotes%±%
LDPTatsuya Ito‡ (incumbent - Tokyo PR)150,40452.18.6
DemocraticIkuo Yamahana‡ (incumbent)107,41737.28.7
JCPYoshiharu Wakabayashi‡28,3569.80.2
IndependentManyo Yamashita2,4830.9New
Registered electors442,182
Turnout293,29966.37.4
LDP gain from DemocraticSwing11.1
2003
PartyCandidateVotes%±%
DemocraticIkuo Yamahana‡(incumbent)113,93145.96.0
LDPTatsuya Ito‡‡105,38542.513.5
JCPYoshiharu Wakabayashi‡24,85910.04.3
IndependentMoritaka Sato4,0011.6New
Registered electors432,492
Turnout254,69558.92.0
LDP holdSwing8.9
2000
PartyCandidateVotes%±%
DemocraticIkuo Yamahana104,13238.911.8
LDPYuji Shindo‡77,76129.07.9
LiberalMorio Suzuki‡39,50314.7New
JCPTakao Okada38,31814.30.9
IndependentMatsumi Sakai5,6352.1New
Liberal LeagueKoji Tomono2,6871.0New
Registered electors456,184
Turnout277,63460.95.6
Democratic gain from LDPSwingN/A
1996
PartyCandidateVotes%±%
New FrontierTatsuya Ito (incumbent - former Tokyo 11th district)69,70729.6New
DemocraticSadao Yamahana‡‡ (incumbent - former Tokyo 11th district)63,97427.1New
LDPYuji Shindo‡49,83721.1New
JCPYoshiko Matsuda35,76215.2New
Social DemocraticNobuto Hosaka‡‡13,9045.9New
New SocialistKazumoto Sato2,5261.1New
Registered electors436,597
Turnout241,61355.3N/A
LDP gain from DemocraticSwingN/A