Spanish general election, 1989 Opinion polls 176 seats needed for a majority

| Polling_Firm | Date_ | Link | PSOE | Others_ | Lead_ |
|---|---|---|---|---|---|
| Election results | October 29, 1989 | HTML | 39.6% 175 | 12.6% 19 | 13.8% |
| Exit polls | Exit polls | Exit polls | Exit polls | Exit polls | Exit polls |
| Sigma Dos | October 23 | HTML | – 168 | – 23 | – |
| ICP Research | October 16–19 | HTML | – 174–178 | – 25–26 | – |
| Opina | October 16–18 | HTML | 41.5% 172–178 | 15.0% 18–27 | 16.5% |
| IIF | October 16–17 | HTML | – 173–183 | – 18–23 | – |
| Demoscopia | October 9–15 | HTML | 41.6% 176–182 | – 17–23 | 18.8% |
| Opina | October 7–11 | HTML | 41.0% 172–178 | 12.4% 18–24 | 17.0% |
| PSOE | October 5 | HTML | – 175–185 | – | – |
| El País | October 5 | HTML | – 176 | – | – |