This second edition contains 55 pages of new analysis on topics such as: which seats changed hands; the social characteristics of voters; MPs by gender, ethnicity, and educational background; turnout; minor parties & independents; declaration times; opinion polls; the weather on election day; and the EVEL implications of the election result. Download the PDF at the bottom of this page.

The 2017 General Election resulted in a hung Parliament, with no party winning an overall majority. The Conservative Party won the largest number of seats and votes, taking 317 seats and 42.3% of the vote, up from 36.8% in 2015. The Labour Party won 262 seats, and 40.0% of the vote, up from 232 seats and 30.4% of the vote in 2015. The Liberal Democrats won 12 seats, a net gain of 4 seats, and 7.4% of the vote.

hex map of constituency winners

(Click to view a map of seats won and seats changing hands)

The Scottish National Party won 35 seats, down from 56 seats in 2015. Plaid Cymru won 4 seats in Wales, one more than in 2015. In Northern Ireland, the Democratic Unionist Party (DUP) won 10 seats, gaining two, while Sinn Féin won 7, gaining 3.

70 seats changed hands.The Conservatives made 20 gains, but lost 33 seats for a net change of -13. Labour gained 36 seats and lost six, for a net change of +30. The Liberal Democrats lost four seats but gained eight, for a net change of +4. The SNP lost 21 seats and made no gains.

Between them, the Conservatives and Labour won 82.3% of the UK vote – the highest since 1970. This is a notable increase compared with 2015, when their combined vote share was 67.2%. The Conservative vote share was highest in the East of England (54.6%), whereas the Labour vote share was highest in the North East (55.4%). UKIP’s share of the vote fell from 12.6% in 2015 to 1.8% in 2017. The Green Party saw its share halved to 1.8%.

Turnout was 68.8%, up from 66.3% in 2015, the highest General Election turnout since 1997. The total registered electorate was 46.8 million, up from 46.4 million in 2015.

The South West had the highest turnout (71.8%), whereas Northern Ireland had the lowest (65.4%). Turnout increased across all regions and nations in the UK, apart from Scotland where it fell by 4.6% points.

Turnout was 68.8%, its highest level since 1997

The data files below provide complete election results by constituency and candidate. These results have been obtained directly from Returning Officers following the election. Please note that this data may differ from inital results available from other organisations. The data may change as it is revised and updated by local authorities during the coming weeks and months. These figures are therefore provisional. Declaration times are recorded as reported by BBC.

Further election articles are available on the Commons Library website.

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