1990 Japanese general election|
|
|
| Turnout | 73.31% ( 1.89pp) | 
|---|
| 
|  | First party | Second party | Third party |  
|  |  |  |  |  
| Leader | Toshiki Kaifu | Takako Doi | Koshiro Ishida |  
| Party | LDP | Socialist | Kōmeitō |  
| Last election | 51.06%, 306 seats | 17.23%, 85 seats | 9.43%, 56 seats |  
| Seats won | 275 | 136 | 45 |  
| Seat change | 31 | 51 | 11 |  
| Popular vote | 30,315,417 | 16,025,473 | 5,242,675 |  
| Percentage | 46.14% | 24.35% | 7.98% |  
| Swing | 3.28pp | 7.12pp | 1.45pp |  
| 
 |  
|  | Fourth party | Fifth party | Sixth party |  
|  |  |  |  |  
| Leader | Tetsuzo Fuwa | Eiichi Nagasue | Satsuki Eda |  
| Party | JCP | Democratic Socialist | Socialist Democratic |  
| Last election | 8.79%, 26 seats | 6.44%, 26 seats | 0.83%, 4 seats |  
| Seats won | 16 | 14 | 4 |  
| Seat change | 10 | 12 |  |  
| Popular vote | 5,226,987 | 3,178,949 | 566,957 |  
| Percentage | 7.96% | 4.84% | 0.86% |  
| Swing | 0.83pp | 1.60pp | 0.03pp |  
| 
 |  
|  | Seventh party |  |  
|  |  |  |  
| Leader | Seiichi Tagawa |  |  
| Party | Progressive |  |  
| Last election | – |  |  
| Seats won | 1 |  |  
| Seat change | New |  |  
| Popular vote | 281,793 |  |  
| Percentage | 0.43% |  |  
| Swing | New |  |  | 
| 
  
 Elected MPs and the leading party by vote share in each multimember district  
 Districts where the LDP (green) or opposition (blue) won most seats; teal for ties | 
| 
 | 
General elections were held in Japan on 18 February 1990 to elect the 512 members of the House of Representatives, the lower house of the National Diet.