Elections Archive

UK General Election Results 1997-2024

Q: Which UK general election since 1997 produced the biggest swings?

The two largest swings since 1997 both involved Conservative-Labour transfers. The 1997 election produced around a 10.5-point swing from Conservative to Labour — the largest since 1945 — giving Labour 179 seats. The 2024 election produced a comparable 10-point swing back. The 2019 Red Wall collapse involved local swings of 12-16 points in individual northern constituencies. Most dramatically, the 2025-26 by-elections produced swings of 24-25 points from Labour to Reform UK at Runcorn and Blyth — unprecedented in modern by-election history.

Every Westminster General Election result over 27 years - vote shares, seat totals and the long-term trends shaping British politics.

General Elections 1997-2024

Different governing parties

27 yrs

Of electoral data tracked

About this archive

This page covers every UK Westminster General Election from Tony Blair's landslide in 1997 to Keir Starmer's Labour victory in 2024. The data shows vote shares (percentage of total votes cast), seats won, and key trends including the dramatic fragmentation of the two-party system and the rise of new political forces - most recently Reform UK. All figures cover Great Britain and Northern Ireland combined.

Results Table: All General Elections 1997-2024

Year	Winner	Lab %	Lab seats	Con %	Con seats	LD %	LD seats	Reform/UKIP %	Other %	Majority
1997	Labour	43.2%	418	30.7%	165	16.8%	46	-	9.3%	Lab 179
2001	Labour	40.7%	412	31.7%	166	18.3%	52	-	9.3%	Lab 167
2005	Labour	35.2%	355	32.4%	198	22%	62	-	10.4%	Lab 66
2010	Coalition (Con+LD)	29%	258	36.1%	306	23%	57	3.1%	8.8%	No majority
2015	Conservative	30.4%	232	36.9%	331	7.9%	8	12.6%	12.2%	Con 12
2017	Conservative (minority)	40%	262	42.4%	317	7.4%	12	1.8%	8.4%	Con minority
2019	Conservative	32.2%	202	43.6%	365	11.6%	11	2%	10.6%	Con 80
2024	Labour	33.7%	410	23.7%	121	12.2%	72	14.3%	16.1%	Lab 174

Reform/UKIP %: 2015 = UKIP 12.6%; 2019 = Brexit Party 2.0%; 2024 = Reform UK 14.3%. LD = Liberal Democrats. Seats are UK totals (650 from 2010).

Long-Term Vote Share Trends 1997-2024

Key Trends from 27 Years of Results

Labour: Landslide to fragility

Labour's 43.2% in 1997 was the party's post-war high point. It fell at every subsequent election until Jeremy Corbyn's unexpected 40% in 2017, then declined again to 33.7% in 2024 - a winning score only because the Conservative vote collapsed to 23.7%, the party's worst result since 1832 in terms of seat count.

Conservative: Peak then collapse

The Conservatives peaked at 43.6% in 2019 - Boris Johnson's Red Wall majority. Five years later they were at 23.7%, losing 244 seats. The rate of decline between 2019 and 2024 is unprecedented in modern British electoral history, driven by leadership chaos, the cost of living crisis and the rise of Reform UK on their right flank.

Lib Dems: Coalition penalty

The Liberal Democrats peaked at 23% in 2010, then suffered catastrophic punishment for entering coalition with the Conservatives. From 57 seats they fell to 8 in 2015. By 2024 they had partially recovered to 72 seats on just 12.2% - demonstrating how FPTP rewards geographic concentration of support.

The right-of-Conservative vote

UKIP reached 12.6% in 2015 but won only 1 seat. The Brexit Party took 2% in 2019 (having stood aside in Conservative-held seats). Reform UK won 14.3% in 2024 and 5 seats. The progression from wasted votes to real seats is accelerating - driven by learning from previous campaigns and targeting winnable constituencies.

Seats vs Votes: The FPTP Distortion

2024: The most disproportionate election in modern history

The 2024 General Election produced the most disproportionate result since at least 1945. Labour won 63% of seats (410 of 650) on just 33.7% of votes. Reform UK won 14.3% of votes - more than four times Labour's seat share would imply - but took only 5 seats (0.8%). Under a proportional system, Reform UK would have won approximately 93 seats and Labour approximately 219. The Conservative near-wipeout (23.7% of votes, 121 seats = 18.6%) was actually less disproportionate than Reform's result, because Conservative support retained enough geographic concentration to win seats. This structural distortion is the central feature of the 2029 election landscape.

Election-by-Election Summaries

1997 Tony Blair - Labour landslide

Labour ended 18 years of Conservative government with 418 seats and a 179-seat majority, the largest since 1935. Blair's "New Labour" project combined traditional Labour social policies with market-friendly economics. Voter fatigue with the Conservatives after Black Wednesday (1992) and successive sleaze scandals made the result inevitable from around 1995.

2001 Blair second term

Labour was re-elected with only a marginal reduction in majority, confirming the scale of the Conservative collapse. William Hague led the Conservatives to their second successive catastrophic defeat. Turnout fell sharply to 59.4%, the lowest since 1918.

2005 Blair third term - Iraq shadow

Labour won a third term but with a drastically reduced majority of 66 seats. The Iraq War cost Blair approximately 4 million votes. The Liberal Democrats gained significantly as an anti-war alternative, winning 62 seats. The foundations of Labour's dominance began cracking.

2010 Hung Parliament - Cameron-Clegg Coalition

Gordon Brown's Labour government lost the election but no single party won a majority. David Cameron's Conservatives fell short on 306 seats. The Liberal Democrats formed a Coalition with the Conservatives in exchange for cabinet positions and a referendum on electoral reform - a referendum they subsequently lost.

2015 Cameron majority - unexpected

Against almost all polling expectations, the Conservatives won an outright majority of 12 seats. Scottish Labour was annihilated by the SNP. UKIP won 12.6% of the vote but only 1 seat, demonstrating the brutality of FPTP for parties with evenly-distributed support.

2017 May loses majority - Corbyn surge

Theresa May called a snap election expecting to increase her majority ahead of Brexit negotiations. Labour under Jeremy Corbyn ran a strong campaign and gained 30 seats, leaving May without a majority. The Democratic Unionist Party propped up the Conservative government in a confidence-and-supply arrangement.

2019 Johnson Red Wall majority

Boris Johnson won an 80-seat majority by breaking through Labour's northern and Midlands "Red Wall" - seats like Workington, Blyth Valley, Sedgefield and Hartlepool that had been Labour for decades. The Brexit Party stood down in Conservative-held seats, maximising the Conservative vote.

2024 Starmer Labour return

Labour returned to power with a 174-seat majority on just 33.7% of the vote - the lowest vote share ever to produce a parliamentary majority. The Conservatives collapsed to 23.7%. Reform UK won 14.3% but only 5 seats due to FPTP. The Liberal Democrats surged to 72 seats in their southern England targets, decimating Conservative presence in the Home Counties.

Frequently Asked Questions

What were the UK General Election results in 2024?

Labour won the 2024 UK General Election with 33.7% of the vote and 410 seats, giving a majority of 174. The Conservatives collapsed to 23.7% and 121 seats — their worst result since 1832 by seat count. Reform UK won 14.3% nationally but only 5 seats under First Past the Post. The Liberal Democrats won 72 seats on 12.2%, mostly from a targeted Blue Wall strategy in southern English constituencies where they maximised concentrated tactical voting.

Which party has won the most UK general elections since 1997?

Labour has won four of the eight general elections since 1997 (1997, 2001, 2005, 2024). The Conservatives won four (2010 coalition, 2015, 2017 minority government, 2019). In terms of actual government duration, the Conservatives held office for 14 years (2010-2024) versus Labour's 13 years (1997-2010). Each party's most dominant periods were Blair's 1997-2005 (Labour) and the Cameron-Johnson-May era (Conservative).

Why did Labour win in 2024 with only 33.7% of the vote?

Labour won a 174-seat majority on 33.7% — the lowest vote share ever to produce a parliamentary majority — because the opposition vote fragmented badly. Conservatives fell to 23.7%, Reform UK took 14.3% of largely right-of-centre votes, and the Lib Dems concentrated their 12.2% in southern English seats. First Past the Post rewarded Labour's geographic spread across the entire country while penalising fragmented opposition parties whose votes were geographically inefficient.

What is the long-term trend in UK general election results?

The major trend from 1997 to 2024 is the fragmentation of the two-party system. Labour and Conservative combined vote share was 73.9% in 1997, falling to 57.4% in 2024. UKIP and Reform UK rose from 0% to 14.3%. The Liberal Democrats went from 16.8% to 12.2% but dramatically improved their seat efficiency. Party loyalty has collapsed and tactical voting has become decisive — particularly in southern English seats where the Lib Democrats now dominate and northern English seats where Reform UK is emerging as the main challenge.

Which UK general election since 1997 produced the biggest swings?

The 1997 election produced a UK-wide swing of approximately 10.5 points from Conservative to Labour — the largest since 1945. The 2024 election produced a comparable swing back. The 2019 Red Wall collapse involved individual constituency swings of 12-16 points in northern England. Most dramatically, the 2025-26 by-elections produced swings of 24-25 points from Labour to Reform UK at Runcorn and Blyth — unprecedented in modern by-election history and a signal of potential seismic change for the 2029 general election.

How has the rise of Reform UK changed UK electoral politics since 2024?

Reform UK's 14.3% in 2024, rising to approximately 28% by 2026, is the most significant new political force in British elections since the Liberal-SDP Alliance of the 1980s. Unlike UKIP, which won just 1 seat despite 12.6% in 2015, Reform UK won 5 seats in 2024 and two further by-elections in 2025-26. The party has fractured both the Red Wall coalition the Conservatives built in 2019 and Labour's traditional working-class base, transforming the 2029 seat map from a two-party battle into a four-party competition that could produce the most complex hung parliament since February 1974.

Sources & Further Reading

UK general election results data is archived at the House of Commons Library: UK election statistics and the Electoral Commission. For current polling context, see our voting intention tracker.