Green Party at Westminster
Green Party across 5 UK general elections in our dataset (2010–2024). For the cross-party view, see all parliamentary parties.
Headline
- Vote share moved from 1.0% (2010) to 6.7% (2024) — a +5.8 pts shift across 5 contested cycles.
- Seat share moved from 0.2% to 0.6% over the same window (+0.5 pts).
- Green Party sits 9th by seats in the 2024 House — 4 of 649 MPs.
Vote share & seat share over time
Solid line is vote share, dashed line is seat share. Markers sit proportionally along the x-axis so the gap between cycles reflects the actual years between elections. Hover any marker for the year and share at that cycle.
votes +6 pts seats +0 pts
Cycles
Each card opens the full Green Party cycle audit on the parliament page for that year.
2024
4 of 649 seats
7% → 1% −6 pts
1,931,146 valid votes — 9th by seats
2019
1 of 649 seats
3% → 0% −3 pts
860,119 valid votes — 9th by seats
2017
1 of 649 seats
2% → 0% −1 pts
509,639 valid votes — 8th by seats
2015
1 of 649 seats
4% → 0% −4 pts
1,143,408 valid votes — 10th by seats
2010
1 of 649 seats
1% → 0% −1 pts
282,070 valid votes — 9th by seats
Votes vs seats, by cycle
For each cycle this party contested, the bar pair shows Green Party’s vote share (filled) against the share of Commons seats they actually took (outlined). The signed gap on the right is the FPTP distortion in that cycle.
Where Green Party won in 2024
Westminster constituencies under 2024 boundaries where Green Party took the seat. Grey hexes are constituencies held by another party. Hover any hex for the winning share; click to drill into the full candidate record.
4 constituencies won out of 649.
By election
| Year | Vote share | Seats | Seat share | Gap | Seat rank | |
|---|---|---|---|---|---|---|
| 2024 | 6.7% | 4 / 649 | 0.6% | −6.1 pts | 9th | Details → |
| 2019 | 2.7% | 1 / 649 | 0.2% | −2.5 pts | 9th | Details → |
| 2017 | 1.6% | 1 / 649 | 0.2% | −1.4 pts | 8th | Details → |
| 2015 | 3.7% | 1 / 649 | 0.2% | −3.6 pts | 10th | Details → |
| 2010 | 1.0% | 1 / 649 | 0.2% | −0.8 pts | 9th | Details → |
See methodology for how we normalise party names and compute vote share and the Gallagher index. Source data for the 2024 cycle: House of Commons Library general election results 2024, retrieved 2026-05-18 (Open Parliament Licence v3.0).