United Kingdom 1999 European Parliament election
What was the result of the 1999 European Parliament election in the United Kingdom?
Conservative Party won 36 of 87 seats with 33.5% of the vote. 24.0% of registered voters cast a ballot.
United Kingdom- Held:
- Final result
- ParlGov, read 5 October 2026
Which party won the most seats?
Final results from ParlGov, read : Conservative Party won 36 of 87 seats with 33.5% of the vote; 24.0% of registered voters cast a ballot, down 12.5 points on 1994.
- Conservative Party 36 +18 seats 33.5% +6.5 points
- Labour Party 29 −33 seats 26.3% −16.4 points
- Liberal Democrats 10 +8 seats 11.9% −4.2 points
- UK Independence Party 3 6.5%
- Green Party of England and Wales 2 +2 seats 5.9% +2.8 points
- Scottish National Party 2 0 seats 2.5% −0.5 points
- Democratic Unionist Party 1 0 seats 1.8% +0.8 points
- Social Democratic and Labour Party 1 0 seats 1.8% +0.8 points
- Plaid Cymru 2 +2 seats 1.7% +0.7 points
- Ulster Unionist Party 1 0 seats 1.1% +0.3 points
- Seats won
- Change on the previous election at the right
- Share of the vote
- Share at the previous election
- Change in points at the right
Changes are against the United Kingdom 1994 European Parliament election, party by party.
Key numbers
33.5%
Share of the vote won by Conservative Party
It led Labour Party by 7.2 points of the vote.
+18 seats
Seats gained by Conservative Party
The largest gain in seats compared with 1994. Labour Party lost 33 seats.
24.0%
Voter turnout
Down 12.5 points on 1994.
Seats and votes by party
| Party | Seats | ± seats | % | ± points | Votes |
|---|---|---|---|---|---|
| Conservative Party | 36 | +18 | 33.5 | +6.5 | 3,578,218 |
| Labour Party | 29 | −33 | 26.3 | −16.4 | 2,803,821 |
| Liberal Democrats | 10 | +8 | 11.9 | −4.2 | 1,266,549 |
| UK Independence Party | 3 | 6.5 | 696,057 | ||
| Green Party of England and Wales | 2 | +2 | 5.9 | +2.8 | 625,378 |
| Scottish National Party | 2 | 0 | 2.5 | −0.5 | 268,528 |
| Democratic Unionist Party | 1 | 0 | 1.8 | +0.8 | 192,762 |
| Social Democratic and Labour Party | 1 | 0 | 1.8 | +0.8 | 190,731 |
| Plaid Cymru | 2 | +2 | 1.7 | +0.7 | 185,235 |
| Pro-Euro Conservative Party | 0 | 1.3 | 138,097 | ||
| Ulster Unionist Party | 1 | 0 | 1.1 | +0.3 | 119,507 |
| Sinn Féin | 0 | 1.1 | 117,643 | ||
| British National Party | 0 | 1.0 | 102,644 |
± is the change against the United Kingdom 1994 European Parliament election, party by party.
Votes by party
- Conservative Party 3,578,218
- Labour Party 2,803,821
- Liberal Democrats 1,266,549
- UK Independence Party 696,057
- Green Party of England and Wales 625,378
- Scottish National Party 268,528
- Democratic Unionist Party 192,762
- Social Democratic and Labour Party 190,731
- Plaid Cymru 185,235
- Pro-Euro Conservative Party 138,097
- Ulster Unionist Party 119,507
- Sinn Féin 117,643
- British National Party 102,644
ParlGov lists parties with at least 1 percent of the vote or 2 seats, so the rows do not add up to the valid votes.
How many people voted?
24.0% of the 44,458,638 registered voters cast a ballot (10,681,062 ballots), down 12.5 points on 1994. 10,656,080 of them were valid votes. The lowest turnout of this kind in our data, which begins in 1979.
How do the votes compare with the seats?
- Conservative Party33.5% of votes41.4% of seats
- Labour Party26.3% of votes33.3% of seats
- Liberal Democrats11.9% of votes11.5% of seats
- UK Independence Party6.5% of votes3.4% of seats
- Green Party of England and Wales5.9% of votes2.3% of seats
- Scottish National Party2.5% of votes2.3% of seats
- Plaid Cymru1.7% of votes2.3% of seats
- Democratic Unionist Party1.8% of votes1.1% of seats
- Social Democratic and Labour Party1.8% of votes1.1% of seats
- Ulster Unionist Party1.1% of votes1.1% of seats
The Gallagher index of disproportionality is 8.4 (0 when seats follow votes exactly); the effective number of parties is 4.9 by votes and 3.3 by seats; Conservative Party led Labour Party by 7.2 points of the vote.
Time and source Data as of