Start here · 3 min read
How opinion polls work
Who pollsters ask, and how their answers become the published figures.
Read guide →UK Decides research
Read about polls and elections, or browse the constituency results and polling records below.
The guide library
Thirty guides to reading polls, following elections and exploring constituency results.
Start here · 3 min read
Who pollsters ask, and how their answers become the published figures.
Read guide →Start here · 3 min read
Why firms asking the same question can publish different results.
Read guide →Start here · 3 min read
How parties win seats with very different shares of the national vote.
Read guide →Guides
Who pollsters ask, and how their answers become the published figures.
Read guide →What the rows, columns and sample sizes in a polling table tell you.
Read guide →How much a polling result can vary because of the sample.
Read guide →How pollsters adjust a sample to better reflect the electorate.
Read guide →What pollsters do with undecided voters and people who may not vote.
Read guide →Why firms asking the same question can publish different results.
Read guide →Which polls go into an average, and how long they stay there.
Read guide →How published polls compared with the results voters delivered.
Read guide →Guides
How pollsters use survey answers and population data to estimate each seat.
Read guide →What to check when two models predict different numbers of seats.
Read guide →How parties win seats with very different shares of the national vote.
Read guide →How swing measures the movement between two parties.
Read guide →Why voters sometimes back another party to defeat a local opponent.
Read guide →Where a party wins its votes can matter as much as how many it wins.
Read guide →Guides
What happens between calling an election and forming a government.
Read guide →How the candidate with the most votes wins a Westminster seat.
Read guide →The voting systems used for elections across the UK.
Read guide →How parties try to form a government when none wins a majority.
Read guide →How boundary reviews redraw seats and affect comparisons with past results.
Read guide →How Parliament fills a vacant seat between general elections.
Read guide →Guides
Who qualifies to vote in a Westminster election.
Read guide →Registering at your address and checking which photo ID you can use.
Read guide →Arranging a postal vote or asking someone to vote on your behalf.
Read guide →What candidates need to stand, and when they get their deposit back.
Read guide →What happens to ballot papers after the polling stations close.
Read guide →Guides
How a small winning margin puts a constituency in contention.
Read guide →Why even a large majority can disappear at the next election.
Read guide →The difference between winning a seat and holding a Commons majority.
Read guide →How election officials calculate turnout.
Read guide →Comparing elections when boundaries, parties and the electorate have changed.
Read guide →RECORDS & STATISTICS
Live polling records and results from the 2024 general election.
2026 POLLING DATABASE
Automatically calculated from every national Westminster voting-intention poll in the UKDecides database.
Database coverage
2026 HIGHS
Peak headline shares in individual polls, not poll-of-polls estimates. Sources are the pollster or commissioning organisation.
2024 GENERAL ELECTION
Verified results and analysis from the House of Commons Library. The tables below are deliberately non-linked: the numbers are the destination.
INTERACTIVE TOOL · 2024 ELECTION
Explore verified winning majorities across all 650 seats. Filter by party, constituency name and margin of victory.
Tightest contests
Safest seats
PARTICIPATION
PARTICIPATION
Who stood
Busiest ballots
Nine constituencies had 11 or more candidates. The 2024 UK average was 6.9 candidates per constituency.
Turnout by winner
Average constituency turnout in seats won by the five GB-wide parties. Green-won seats recorded the highest average turnout.
2024 ELECTION AT A GLANCE
Source: House of Commons Library, General election 2024 results, marginality, turnout and candidate analysis. Figures are descriptive historical results.