# 1990 Basque regional election

[Spain](https://electionsarchive.com/es.md) / [País Vasco](https://electionsarchive.com/es/pais-vasco.md), October 28, 1990

Turnout: 1,029,457 of 1,687,936 registered voters (61.0%). −8.6 points since 1986.

## Basque Parliament

EAJ-PNV won 22 of the 75 seats, with 28.5% of the vote.

| Candidate or party | Votes | Share | Seats | Change |
| --- | --- | --- | --- | --- |
| Euzko Alderdi Jeltzalea-Partido Nacionalista Vasco | 289,701 | 28.5% | 22 | +5 |
| Spanish Socialist Workers' Party | 202,736 | 19.9% | 16 | −3 |
| Herri Batasuna | 186,410 | 18.3% | 13 | 0 |
| Eusko Alkartasuna | 115,703 | 11.4% | 9 | −4 |
| Partido Popular | 83,719 | 8.2% | 6 |  |
| Euskadiko Ezkerra | 79,105 | 7.8% | 6 | −3 |
| Plural left | 14,440 | 1.4% |  | 0 |
| UNIDAD ALAVESA | 14,351 | 1.4% | 3 |  |
| Centro Democrático y Social | 6,680 | 0.7% |  | −2 |
| DS | 5,023 | 0.5% |  |  |
| LOS VERDES ECOLOGISTAS | 4,304 | 0.4% |  |  |
| ARM-ADE | 4,303 | 0.4% |  |  |
| EHB | 4,199 | 0.4% |  |  |
| PARTIDO SOCIALISTA DE LOS TRABAJADORES | 3,010 | 0.3% |  | 0 |
| PARTIDO HUMANISTA | 825 | 0.1% |  | 0 |
| COALICION ELECTORAL LKI-EMK | 670 | 0.1% |  |  |
| AR | 669 | 0.1% |  |  |
| PARTIDO COMUNISTA DE LOS PUEBLOS DE ESPAÑA | 599 | 0.1% |  |  |
| PARTIDO COMUNISTA DE ESPAÑA (MARXISTA-LENINISTA) | 272 | <0.1% |  |  |

These results come from Gobierno Vasco.

## Contests

- [Álava](https://electionsarchive.com/es/pv/1990-10-28-general/alava.md)
- [Bizkaia](https://electionsarchive.com/es/pv/1990-10-28-general/bizkaia.md)
- [Gipuzkoa](https://electionsarchive.com/es/pv/1990-10-28-general/gipuzkoa.md)

## Party system indices

[How these indices are computed](https://electionsarchive.com/indices.md)

| Chamber | Effective parties by votes | Effective parties by seats | Gallagher index | Loosemore–Hanby index | Volatility | Nationalization |
| --- | --- | --- | --- | --- | --- | --- |
| Basque Parliament | 5.53 | 5.25 | 2.7 | 5.7 | 18.1 | 0.88 |

- From 1,016,719 votes and 75 seats.
- Compared with [1986 Basque regional election](https://electionsarchive.com/es/pv/1986-11-30-general.md).
- Measured over 3 provinces.
- Measured over fewer than ten places, so read it loosely.

Also available as HTML at https://electionsarchive.com/es/pv/1990-10-28-general and JSON at https://electionsarchive.com/es/pv/1990-10-28-general.json.