1991 Portuguese Legislative Election
6 October 1991 · Cavaco and the two-party years · 230 seats, 116 for a majority
Social Democratic Party finished first with 135 of 230 seats on 50.6% of the vote. Turnout 67.8%.
Prime Minister before
Aníbal Cavaco Silva
PSD
Prime Minister (continued)
—
Largest force
Social Democratic Party
135 of 230 seats
Turnout
67.8%
The result
| Share of the Assembly of the Republic | |||||||
|---|---|---|---|---|---|---|---|
| Social Democratic Party | — | 135 | 0 | 2 902 351 | 50.6% | — | |
| Socialist Party | — | 72 | +7 | 1 670 758 | 29.1% | — | |
| Unitary Democratic Coalition | — | 17 | -3 | 504 583 | 8.8% | — | |
| Democratic and Social Centre | — | 5 | 0 | 254 317 | 4.4% | — | |
| National Solidarity Party | — | 1 | — | 96 096 | 1.7% | — | |
| Revolutionary Socialist Party | — | 0 | +1 | 64 159 | 1.1% | — | |
| Portuguese Workers' Communist Party | — | 0 | 0 | 48 542 | 0.8% | — | |
| Democratic Renewal Party | — | 0 | -4 | 35 077 | 0.6% | — | |
| People's Monarchist Party | — | 0 | 0 | 25 216 | 0.4% | — | |
| Democratic Party of the Atlantic | — | 0 | — | 10 842 | 0.2% | — | |
| Left Revolutionary Front | — | 0 | — | 6661 | 0.1% | — | |
| Popular Democratic Union | — | 0 | -1 | 6157 | 0.1% | — |