Tokyo 16th District(東京都第16区, Tokyo-to dai-juroku-ku) is an electoral district of the Japanese House of Representatives. The district was created in 1994 as a part of the move towards single-member districts. In 2024 the district was won by the Liberal Democratic member Yohei Onishi, son of Hideo Ōnishi. who was Representative 2012 – 2024.
Areas covered
Current district
As of 16 January 2023, the areas covered by this district are as follows:
- Edogawa Chuo 1-3, Matsue 1-7, Osugi 1-5, Nishi-Ichinoe 1-4, Haruecho 4, Ichinoe 1-8, Nishimizue 4, Edogawa 4, Matsumoto 1-2 Kasai, Tobu and Shishibone
As part of the 2022 redistricting, the former town of Komatsugawa was transferred to the 14th 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:
- Edogawa (Koiwa, excluding Kamiishiki 1-3, Honisshiki 1-3, and Okinomiya) Chuo 1-4, Matsushima 1-4, Matsue 1-7, Higashikomatsugawa 1-4, Nishikomatsugawa, Osugi 1-5, Nishi Ichinoe 1-4, Haruecho 4, Ichinoe 1-8, Nishimizue 4, Edogawa 4, Matsumoto 1-2 Within the Komatsugawa, Kasai, Tobu and Shishibone areas
As part of the 2017 redistricting, the former towns of Kamiishiki, Motoishiki and Okinomiya were all moved to the 17th district.
Areas 2013–2017
From the first redistricting in 2013 until the second redistricting in 2017, the areas covered by this district were as follows:
- Edogawa Central Office (excluding Kami-Ishiki 3) Chuo 1-4, Matsushima 1-4, Matsue 1-7, Higashikomatsugawa 1-4, Nishikomatsugawa, Osugi 1-5, Nishi Ichinoe 1-4, Haruecho 4, Ichinoe (1, 8), Nishimizue 4, Edogawa 4, Matsumoto 1-2, Kamiisshiki 1-2, Honisshiki 1-3, Okinomiyacho Komatsugawa, Kasai, Tobu and Shishibone areas
As part of the 2013 redistricting, the area of Kamiishiki 3 was transferred to the 17th district.
Areas from before 2013
From the creation of the district in 1994 until the first redistricting in 2013, the areas covered by this district were as follows:
- Edogawa Central Office Komatsugawa, Kasai, Tobu and Shishibone areas
Elected representatives
| Representative | Party | Years served | Notes |
|---|
| Yoshinobu Shimamura | | LDP | 1996 – 2000 | Failed to get re-elected in the 2000 general election, won back the seat in the 2003 general election. |
| Yoshio Udagawa | | Independent | 2000 – 2003 | Failed to get re-elected in the 2003 general election. |
| Yoshinobu Shimamura | | LDP | 2003 – 2009 | Not re-elected in the 2009 general election |
| Akihiro Hatsushika | | DPJ | 2009 – 2012 | Not re-elected in the 2012 general election. Elected to the Tokyo PR district in the 2014 and 2017 general elections. |
| Hideo Ōnishi | | LDP | 2012 – 2024 | |
| Yohei Onishi | | LDP | 2024 – | |
Election results
‡ - Also ran in the Tokyo PR district
‡‡ - Also ran and won in the Tokyo PR district
2026| Party | Candidate | Votes | % | ±% |
|---|
| LDP | Yohei Onishi | 92,858 | 44.6 | 7.3 |
| Centrist Reform | Katsuyuki Shibata | 51,527 | 24.8 | 6.8 |
| DPP | Tomoko Takeuchi | 42,380 | 20.4 | |
| Sanseitō | Takeshi Murakami | 21,320 | 10.3 | 1.6 |
| Registered electors | 391,523 | | |
| Turnout | | 54.48 | 3.10 |
| LDP hold |
2024| Party | Candidate | Votes | % | ±% |
|---|
| LDP | Yohei Onishi‡ | 71,728 | 37.3 | 1.4 |
| CDP | Katsuyuki Shibata‡‡ | 60,714 | 31.6 | 1.8 |
| Ishin | Hirosato Nakatsugawa[jp]‡ | 28,538 | 14.9 | 2.2 |
| Sanseitō | Masatoshi Arita | 16,636 | 8.7 | |
| JCP | Sakae Miyamoto | 14,464 | 7.5 | 4.2 |
| Registered electors | 390,804 | | |
| Turnout | | 51.38 | 0.20 |
| LDP hold |
2021| Party | Candidate | Votes | % | ±% |
|---|
| LDP | Hideo Ōnishi (incumbent) (endorsed by Komeito) | 88,758 | 38.7 | 2.2 |
| CDP | Motoko Mizuno‡ | 68,397 | 29.8 | 4.8 |
| Ishin | Hirosato Nakatsugawa‡ | 39,290 | 17.1 | New |
| JCP | Ota Ayaka | 26,819 | 11.7 | New |
| Anti-NHK | Ken Tanaka‡ | 6,264 | 2.7 | New |
| Registered electors | 465,115 | | |
| Majority | 20,361 | 8.9 | 2.6 |
| Turnout | 239,906 | 51.6 | 4.1 |
| LDP hold | Swing | 3.8 | |
2017| Party | Candidate | Votes | % | ±% |
|---|
| LDP | Hideo Onishi‡ (incumbent) (endorsed by Komeito) | 84,457 | 40.9 | 5.3 |
| CDP | Akihiro Hatsushika‡‡ | 71,405 | 34.6 | New |
| Kibō no Tō | Kenji Tamura‡ | 50,568 | 24.5 | New |
| Registered electors | 462,216 | | |
| Majority | 13,052 | 6.3 | 13.4 |
| Turnout | 219,506 | 47.5 | 1.6 |
| LDP hold | Swing | 6.8 | |
2014| Party | Candidate | Votes | % | ±% |
|---|
| LDP | Hideo Onishi‡ (incumbent) (endorsed by Komeito) | 98,536 | 46.3 | 8.3 |
| Ishin | Akihiro Hatsushika‡‡ (endorsed by the DPJ) | 56,701 | 26.6 | New |
| JCP | Asako Ota‡ | 36,976 | 17.4 | 11.3 |
| Japanese Kokoro | Yoshiaki Ishii‡ | 11,484 | 5.4 | New |
| Independent | Takashi Okamoto | 9,334 | 4.4 | New |
| Registered electors | 455,218 | | |
| Majority | 41,835 | 19.7 | 0.3 |
| Turnout | 223,330 | 49.1 | 8.4 |
| LDP hold | Swing | 6.1 | |
2012| Party | Candidate | Votes | % | ±% |
|---|
| LDP | Hideo Onishi‡ (incumbent) | 95,222 | 38.0 | 3.9 |
| Restoration | Hirosato Nakatsugawa‡ (incumbent - Tokyo PR) | 46,537 | 18.6 | New |
| Your | Reiko Ueda‡ | 43,719 | 17.3 | New |
| Tomorrow | Akihiro Hatsushika‡ (incumbent) (endorsed by the NDP) | 27,525 | 11.0 | New |
| Democratic | Katsuyoshi Konno‡ (endorsed by the PNP) | 22,741 | 9.1 | 38.3 |
| JCP | Kayoko Shimacho | 15,145 | 6.1 | 2.5 |
| Registered electors | 452,248 | | |
| Majority | 48,685 | 19.4 | New |
| Turnout | 260,133 | 57.5 | 4.4 |
| LDP gain from Democratic | Swing | 9.5 | |
2009| Party | Candidate | Votes | % | ±% |
|---|
| Democratic | Akihiro Hatsushika‡ | 128,400 | 47.4 | 14.3 |
| LDP | Yoshinobu Shimamura (incumbent) | 113,634 | 41.9 | 15.1 |
| JCP | Kyoichi Kawai | 23,385 | 8.6 | 1.3 |
| Happiness Realization | Ichiro Kojima | 5,763 | 2.1 | New |
| Registered electors | 450,445 | | |
| Majority | 14,766 | 5.5 | New |
| Turnout | 279,006 | 61.9 | 1.5 |
| Democratic gain from LDP | Swing | 8.2 | |
2005| Party | Candidate | Votes | % | ±% |
|---|
| LDP | Yoshinobu Shimamura‡ | 145,439 | 57.0 | 21.7 |
| Democratic | Hirosato Nakatsugawa‡ (incumbent - Tokyo PR) | 84,564 | 33.1 | 2.1 |
| JCP | Yasunori Abe | 25,328 | 9.9 | 2.0 |
| Registered electors | 439,858 | | |
| Majority | 60,875 | 23.9 | 19.4 |
| Turnout | 265,498 | 60.4 | 6.1 |
| LDP hold | Swing | 13.3 | |
2003| Party | Candidate | Votes | % | ±% |
|---|
| LDP | Yoshinobu Shimamura‡ | 80,015 | 35.3 | 4.9 |
| Democratic | Hirosato Nakatsugawa‡‡ (incumbent - Tokyo PR) | 70,189 | 31.0 | 6.3 |
| Independent Society | Yoshi Udagawa | 58,250 | 25.7 | New |
| JCP | Yasunori Abe‡ | 17,985 | 7.9 | 5.7 |
| Registered electors | 432,954 | | |
| Majority | 9,826 | 4.3 | New |
| Turnout | 234,964 | 54.3 | 2.1 |
| LDP gain from Independent | Swing | 6.7 | |
2000| Party | Candidate | Votes | % | ±% |
|---|
| Independent | Yoshio Udagawa | 72,825 | 32.1 | New |
| LDP | Yoshinobu Shimamura‡ (incumbent) | 69,543 | 30.6 | 8.4 |
| Democratic | Hirosato Nakatsugawa‡‡ | 53,897 | 23.7 | New |
| JCP | Yasunori Abe | 30,772 | 13.6 | 0.4 |
| Registered electors | 417,198 | | |
| Majority | 3,282 | 1.5 | New |
| Turnout | 235,133 | 56.4 | 4.8 |
| Independent gain from LDP | Swing | N/A | |
1996| Party | Candidate | Votes | % | ±% |
|---|
| LDP | Yoshinobu Shimamura‡ (incumbent - former Tokyo 10th District) | 77,753 | 39.0 | New |
| New Frontier | Naoko Sato | 64,942 | 32.6 | New |
| Democratic | Kazuo Inoue‡ | 28,805 | 14.4 | New |
| JCP | Yasunori Abe | 27,923 | 14.0 | New |
| Registered electors | 396,286 | | |
| Majority | 12,811 | 6.4 | New |
| Turnout | 204,444 | 51.6 | New |
| LDP win (new seat) |