# 1987 La Rioja regional election

[Spain](https://electionsarchive.com/es.md) / [La Rioja](https://electionsarchive.com/es/la-rioja.md), June 10, 1987

Turnout: 146,258 of 201,738 registered voters (72.5%). +2.3 points since 1983.

## [La Rioja](https://electionsarchive.com/es/ri/1987-06-10-general/la-rioja.md)

PSOE won 14 of the 33 seats, with 40.3% of the vote.

| Candidate or party | Votes | Share | Seats | Change |
| --- | --- | --- | --- | --- |
| Spanish Socialist Workers' Party | 57,178 | 40.3% | 14 | −4 |
| Alianza Popular | 50,179 | 35.4% | 13 |  |
| Centro Democrático y Social | 15,640 | 11.0% | 4 | +4 |
| Partido Riojano | 9,212 | 6.5% | 2 | 0 |
| Partido Demócrata Popular | 4,721 | 3.3% |  |  |
| Izquierda Unida de La Rioja | 3,478 | 2.5% |  |  |
| Worker's party of Spain-Communist unity | 1,400 | 1.0% |  |  |

Changes compare with the 1983 election, when the chamber had 35 seats. It now has 33.

These results come from Gobierno de La Rioja.

## Contests

- [La Rioja](https://electionsarchive.com/es/ri/1987-06-10-general/la-rioja.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 |
| --- | --- | --- | --- | --- | --- | --- |
| La Rioja | 3.27 | 2.83 | 4.5 | 7.2 | 50.8 | 0.68 |

- From 141,808 votes and 33 seats.
- Compared with [1983 La Rioja regional election](https://electionsarchive.com/es/ri/1983-05-08-general.md).
- Measured over 174 municipalities.
- A large party has no recorded predecessor or successor, so its whole share counts as change.

Also available as HTML at https://electionsarchive.com/es/ri/1987-06-10-general and JSON at https://electionsarchive.com/es/ri/1987-06-10-general.json.