# 1947 Japanese House of Councillors election

House of Councillors elections were held in Japan on 20 April 1947. The Japan Socialist Party won more seats than any other party, although independents emerged as the largest group in the House. Most independents joined the Ryokufūkai parliamentary group in the first Diet session making it the largest group, and Ryokufūkai member Tsuneo Matsudaira was elected the first president of the House of Councillors.

## Results

Total seats :
| Party | Party | Votes | % | Seats | Votes | % | Seats | Total seats |
| | Japan Socialist Party | 3,479,814 | 16.36 | 17 | 4,901,341 | 22.23 | 30 | 47 |
| | Democratic Party | 1,508,087 | 7.09 | 6 | 2,989,132 | 13.56 | 22 | 28 |
| | Liberal Party | 1,360,456 | 6.40 | 8 | 3,769,704 | 17.10 | 30 | 38 |
| | Japanese Communist Party | 610,948 | 2.87 | 3 | 825,304 | 3.74 | 1 | 4 |
| | National Cooperative Party | 549,916 | 2.59 | 3 | 978,522 | 4.44 | 6 | 9 |
| | Other parties | 1,063,253 | 5.00 | 6 | 1,058,032 | 4.80 | 7 | 13 |
| | Independents | 12,698,698 | 59.70 | 57 | 7,527,191 | 34.14 | 54 | 111 |
| Total | Total | 21,271,172 | 100.00 | 100 | 22,049,226 | 100.00 | 150 | 250 |
| Valid votes | Valid votes | 21,271,172 | 85.24 | | 22,049,226 | 89.83 | | |
| Invalid/blank votes | Invalid/blank votes | 3,684,218 | 14.76 | | 2,497,308 | 10.17 | | |
| Total votes | Total votes | 24,955,390 | 100.00 | | 24,546,534 | 100.00 | | |
| Registered voters/turnout | Registered voters/turnout | 40,958,588 | 60.93 | | 40,164,180 | 61.12 | | |
| Source: Ministry of Internal Affairs and Communications |||||||||

### By constituency

| Prefecture | Total seats | Seats won | Seats won | Seats won | Seats won | Seats won | Seats won | Seats won |
| Prefecture | Total seats | JSP | LP | DP | NCP | JCP | Others | Ind. |
| Aichi | 6 | | 2 | | | | | 4 |
| Akita | 2 | | 1 | | | | | 1 |
| Aomori | 2 | | | 1 | | | | 1 |
| Chiba | 4 | | 1 | 1 | | | | 2 |
| Ehime | 2 | 1 | | | | | 1 | |
| Fukui | 2 | 1 | | | | | | 1 |
| Fukuoka | 6 | 3 | 1 | 1 | | | | 1 |
| Fukushima | 4 | 1 | | 1 | | | 1 | 1 |
| Gifu | 2 | 1 | | | | | | 1 |
| Gunma | 4 | 1 | | 3 | | | | |
| Hiroshima | 4 | 1 | | | | | | 3 |
| Hokkaido | 8 | 2 | 1 | | | | | 5 |
| Hyōgo | 6 | 1 | | 2 | | | 2 | 1 |
| Ibaraki | 4 | 1 | 1 | | | | | 2 |
| Ishikawa | 2 | | 1 | 1 | | | | |
| Iwate | 2 | | | | | | | 2 |
| Kagawa | 2 | | 1 | | 1 | | | |
| Kagoshima | 4 | | | | | | | 4 |
| Kanagawa | 4 | 1 | 2 | | 1 | | | |
| Kōchi | 2 | | 1 | 1 | | | | |
| Kumamoto | 4 | 1 | 1 | 2 | | | | |
| Kyoto | 4 | 1 | 2 | | | | | 1 |
| Mie | 2 | | | | | | 1 | 1 |
| Miyagi | 2 | 1 | | 1 | | | | |
| Miyazaki | 2 | 1 | | | | | | 1 |
| Nagano | 4 | 1 | 1 | 1 | 1 | | | |
| Nagasaki | 2 | 1 | | | | | | 1 |
| Nara | 2 | | | | 1 | | | 1 |
| Niigata | 4 | 1 | 1 | | | | | 2 |
| Ōita | 2 | | 1 | | 1 | | | |
| Okayama | 4 | 1 | 1 | | | 1 | | 1 |
| Osaka | 6 | 2 | 2 | 2 | | | | |
| Saga | 2 | | 1 | 1 | | | | |
| Saitama | 4 | 1 | 2 | 1 | | | | |
| Shiga | 2 | | | | | | | 2 |
| Shimane | 2 | | | | | | | 2 |
| Shizuoka | 4 | | 2 | | | | | 2 |
| Tochigi | 4 | 1 | | 2 | | | | 1 |
| Tokushima | 2 | | | | | | 1 | 1 |
| Tokyo | 8 | 2 | 3 | 1 | | | | 2 |
| Tottori | 2 | | | | | | 2 | |
| Toyama | 2 | | 1 | | 1 | | | |
| Wakayama | 2 | | | | | | | 2 |
| Yamagata | 2 | | | | | | | 2 |
| Yamaguchi | 2 | | 1 | | | | | 1 |
| Yamanashi | 2 | 1 | | | | | | 1 |
| National | 100 | 16 | 8 | 6 | 3 | 3 | 6 | 58 |
| Total | 250 | 45 | 39 | 28 | 9 | 4 | 14 | 111 |