1990 Brazilian legislative election
# 1990 Brazilian legislative election

Legislative elections were held in Brazil on 3 October 1990, the first held under the 1988 constitution. The Brazilian Democratic Movement Party emerged as the largest party, winning 109 of the 502 seats in the Chamber of Deputies and 8 of the 31 seats in the Senate.

## Results

### Chamber of Deputies

| Party | Party | Votes | % | Seats | +/– |
| - | - | - | - | - | - |
| | Brazilian Democratic Movement Party | 7,798,653 | 19.26 | 108 | –152 |
| | Liberal Front Party | 5,026,474 | 12.41 | 83 | –35 |
| | Workers' Party | 4,128,052 | 10.19 | 35 | +19 |
| | Democratic Labour Party | 4,068,078 | 10.04 | 46 | +22 |
| | Democratic Social Party | 3,609,196 | 8.91 | 42 | +9 |
| | Brazilian Social Democracy Party | 3,515,809 | 8.68 | 38 | New |
| | National Reconstruction Party | 3,357,091 | 8.29 | 40 | New |
| | Brazilian Labour Party | 2,277,882 | 5.62 | 38 | +21 |
| | Liberal Party | 1,721,929 | 4.25 | 16 | +10 |
| | Christian Democratic Party | 1,205,506 | 2.98 | 22 | +17 |
| | Brazilian Socialist Party | 756,034 | 1.87 | 11 | +10 |
| | Renovator Labour Party | 426,848 | 1.05 | 2 | New |
| | Brazilian Communist Party | 388,564 | 0.96 | 3 | 0 |
| | Social Labour Party | 373,986 | 0.92 | 2 | New |
| | Communist Party of Brazil | 352,049 | 0.87 | 5 | +2 |
| | Social Christian Party | 342,079 | 0.84 | 6 | +5 |
| | Party of National Mobilization | 249,606 | 0.62 | 1 | +1 |
| | Social Reform Party | 243,231 | 0.60 | 4 | New |
| | Social Democratic Party | 215,226 | 0.53 | 1 | New |
| | National Community Party | 141,453 | 0.35 | 0 | 0 |
| | Progressive Republican Party | 94,069 | 0.23 | 0 | New |
| | Labour Party of Brazil | 78,358 | 0.19 | 0 | New |
| | Social Action Party | 42,790 | 0.11 | 0 | New |
| | Liberating Solidarity Party | 27,082 | 0.07 | 0 | New |
| | Democratic Party | 17,102 | 0.04 | 0 | New |
| | Party of the Reconstruction of the National Order | 12,464 | 0.03 | 0 | New |
| | Humanist Liberal Party | 10,076 | 0.02 | 0 | New |
| | Workers' Nationalist Party | 8,395 | 0.02 | 0 | New |
| | United Socialist Party | 3,912 | 0.01 | 0 | New |
| | Progressive Action Party | 3,669 | 0.01 | 0 | New |
| | Socialist Party | 2,274 | 0.01 | 0 | 0 |
| | Brazilian Student Party | 638 | 0.00 | 0 | New |
| | Brazilian Women's Party | 194 | 0.00 | 0 | New |
| Total | Total | 40,498,769 | 100.00 | 503 | +16 |
| Valid votes | Valid votes | 40,498,769 | 56.29 | | |
| Invalid/blank votes | Invalid/blank votes | 31,442,144 | 43.71 | | |
| Total votes | Total votes | 71,940,913 | 100.00 | | |
| Registered voters/turnout | Registered voters/turnout | 83,820,558 | 85.83 | | |
| Source: Nohlen, Marchetti Ferraz Júnior ||||||

### Senate

| Party | Party | Seats |
| - | - | - |
| | Brazilian Democratic Movement Party | 8 |
| | Liberal Front Party | 8 |
| | Brazilian Labour Party | 4 |
| | National Reconstruction Party | 2 |
| | Christian Democratic Party | 2 |
| | Democratic Social Party | 2 |
| | Workers' Party | 1 |
| | Democratic Labour Party | 1 |
| | Brazilian Social Democracy Party | 1 |
| | Liberal Party | 1 |
| | Social Labour Party | 1 |
| | Independents | 1 |
| Total | Total | 32 |
| Source: Nohlen |||
