Voting trends & analysis
How parliamentary voting patterns and behaviour shift over time.
576
Coded divisions
1,606
MPs scored
2001-11-19
Earliest
2026-03-25
Latest
Yearly ideology trend
| Year | Divisions | Progressive avg | Conservative avg |
|---|---|---|---|
| 2005 | 1 | 54.8 | 45.2 |
| 2006 | 3 | 61.1 | 38.9 |
| 2007 | 4 | 56.4 | 43.6 |
| 2008 | 15 | 56.9 | 43.1 |
| 2009 | 2 | 56.0 | 44.0 |
| 2015 | 18 | 49.8 | 50.2 |
| 2016 | 52 | 48.8 | 51.2 |
| 2017 | 42 | 49.7 | 50.3 |
| 2018 | 60 | 49.7 | 50.3 |
| 2019 | 58 | 49.7 | 50.3 |
| 2020 | 39 | 48.3 | 51.7 |
| 2021 | 37 | 50.2 | 49.8 |
| 2022 | 47 | 49.3 | 50.7 |
| 2023 | 47 | 49.0 | 51.0 |
| 2024 | 19 | 51.1 | 48.9 |
| 2025 | 30 | 60.5 | 39.5 |
| 2026 | 50 | 60.6 | 39.4 |
Party discipline
Lower variance = more disciplined voting. Minimum 3 MPs with 20+ coded votes.
| Party | MPs | Voting variance |
|---|---|---|
| Democratic Unionist Party | 9 | 2.3 |
| The Independent Group for Change | 5 | 2.5 |
| Green Party | 6 | 3.7 |
| Conservative | 435 | 7.8 |
| Liberal Democrat | 117 | 8.5 |
| Reform UK | 7 | 9.3 |
| Labour | 587 | 10.0 |
| Scottish National Party | 60 | 10.3 |
| Plaid Cymru | 6 | 11.2 |
| Independent | 62 | 11.3 |
| Social Democratic & Labour Party | 4 | 11.9 |
Top rebels
MPs who deviate most from their party average. Minimum 20 coded votes.
| MP | Party | Constituency | Deviation | Votes |
|---|---|---|---|---|
| David Reed | Labour | 49.5 | 47 | |
| Tristram Hunt | Labour | 36.8 | 45 | |
| Patrick Spencer | Independent | Central Suffolk and North Ipswich | 36.6 | 61 |
| Pat Glass | Labour | 35.9 | 43 | |
| Dan Norris | Independent | North East Somerset and Hanham | 31.5 | 89 |
| Aphra Brandreth | Conservative | Chester South and Eddisbury | 30.9 | 43 |
| Markus Campbell-Savours | Independent | Penrith and Solway | 29.6 | 73 |
| Mr Andrew Snowden | Conservative | Fylde | 28.7 | 43 |
| Tom Blenkinsop | Labour | 27.9 | 65 | |
| Blake Stephenson | Conservative | Mid Bedfordshire | 26.9 | 66 |
| Steve Rotheram | Labour | 26.1 | 67 | |
| Mr Geoffrey Hoon | Independent | 26.1 | 20 | |
| Mike Wood | Labour | 25.9 | 337 | |
| Harriet Cross | Conservative | Gordon and Buchan | 25.4 | 66 |
| John Watts | Conservative | 25.4 | 25 | |
| James McMurdock | Independent | South Basildon and East Thurrock | 25.3 | 38 |
| Sarah Bool | Conservative | South Northamptonshire | 25.0 | 64 |
| Rebecca Smith | Conservative | South West Devon | 24.9 | 63 |
| Peter Fortune | Conservative | Bromley and Biggin Hill | 24.8 | 68 |
| Sir Ashley Fox | Conservative | Bridgwater | 24.8 | 63 |