Okayama at-large district is a constituency in the House of Councillors of Japan, the upper house of the Diet of Japan (national legislature). It currently elects 2 members to the House of Councillors, 1 per election. The current representatives are:
The district has an electorate of 1,578,647 as of May 2021.[3]
| Class of (1950/1956/...) | ||||||
1947: #1, 6 Year Term |
1947: #2, 6 Year Term |
1947: #3, 3 Year Term |
1947: #4 3 Year Term | |||
|---|---|---|---|---|---|---|
| Gunji Shimamura (Indep.) | Hideo Kuroda (LP) | 1947 | Toshie Ota (JSP) | Katsuji Itano (JCP) | ||
| 1950 | Saburō Eda (JSP) | Takenori Kato (Yoshida LP) | ||||
| rowspan="2" | Chozo Akiyama (Left JSP) | Gunji Shimamura (Ryokufūkai) | 1953 | |||
| 1956 | Tsuyuro Kondo (LDP) | |||||
| Chozo Akiyama (JSP) | Takenori Kato (LDP) | 1959 | ||||
| 1962 | Yusaku Yayama (JSP) | |||||
| Mutsuo Kimura (Indep.) | 1964 by-el. | |||||
| Mutsuo Kimura (LDP) | 1965 | |||||
| 1968 | Kazuo Koeda (LDP) | Yusaku Yayama (JSP) | ||||
| 1971 | ||||||
| 1974 | Takenori Kato (LDP) | Kumao Terada (JSP) | ||||
| Mutsuo Kimura (LDP) | Chozo Akiyama (JSP) | 1977 | ||||
| 1980 | ||||||
| 1983 | ||||||
| 1986 | Junji Ichī (Indep.) | |||||
| Toranosuke Katayama (LDP) | Nobuko Mori (JSP) | 1989 | ||||
| 1992 | Norifumi Kato (LDP) | Junji Ichī (JSP) | ||||
| Mie Ishida (NFP) | 1995 | |||||
| 1998 | Satsuki Eda (DPJ) | Norifumi Kato (LDP) | ||||
| 2001 | ||||||
| 2004 | ||||||
| Yumiko Himei (DPJ) | 2007 | |||||
| 2010 | ||||||
| Masahiro Ishii (LDP) | 2013 | |||||
| 2016 | Kimi Onoda (LDP) | |||||
| 2019 | ||||||
| 2022 |