London Green Party

The table below shows the London Green Party results at United Kingdom (UK) general elections since the London Government Act 1963 created the administrative area of Greater London in 1965. Results between February 1974 and October 1974 are for PEOPLE, results between 1979 and 1983 are for the Ecology Party, and results in 1987 are for the United Kingdom-wide Green Party.^[10] All UK general elections use first-past-the-post voting.

The party has never won any seats in London. The London Green Party won 10.0% of the vote at the most recent general election in 2024, its highest ever vote share.

Election	Leader(s)[a]		Votes			Seats		Status
			No.	%	±	No.	±
Feb-1974	Collective Leadership		619	<0.1	N/A	0 / 92		No seats
Oct-1974			997	<0.1		0 / 92		No seats
1979	Jonathon Porritt		5,071	0.1	0.1	0 / 92		No seats
1983	More Than Two Principal Speakers					0 / 84		No seats
1987						0 / 84		No seats
1992	Jean Lambert	Richard Lawson				0 / 84		No seats
1997	Peg Alexander	David Taylor				0 / 74		No seats
2001	Margaret Wright	Mike Woodin				0 / 74		No seats
2005	Caroline Lucas	Keith Taylor	78,595	2.7		0 / 74		No seats
2010	Caroline Lucas		54,316	1.6	1.1	0 / 73		Opposition
2015	Natalie Bennett		171,670	4.9	3.3	0 / 73		Opposition
2017	Caroline Lucas	Jonathan Bartley	67,579	1.8	3.1	0 / 73		Opposition
2019	Siân Berry		115,527	3.1	1.3	0 / 73		Opposition
2024	Carla Denyer	Adrian Ramsay	334,791	10.0	6.9	0 / 75		Opposition

During the United Kingdom's membership of the European Union (1973–2020), Greater London participated in European Parliament elections, held every five years from 1979 until 2019.^[11] The table below shows the London Green Party results in elections to the European Parliament. Results between 1979 and 1984 are for the Ecology Party, while results in 1989 are for the United Kingdom-wide Green Party. From 1979 to 1994, London members of the European Parliament (MEPs) were elected from ten individual constituencies by first-past-the-post voting; from 1999 to 2019, MEPs were elected from a London-wide regional list by proportional representation.

The party's best results were at the 2009, 2014, and final 2019 European Parliament elections, when it won 1 of 8 seats in London.

Election	Leader(s)[a]		Votes			Seats		Pos.
			No.	%	±	No.	±
1979	Jonathon Porritt		6,448	0.4	N/A	0 / 10	N/A	4th
1984	More Than Two Principal Speakers		26,132	1.6	1.1	0 / 10		4th
1989			298,328	15.9	14.4	0 / 10		3rd
1994	John Cornford	Jan Clark	61,786	3.8	12.2	0 / 10		4th
1999	Mike Woodin	Jean Lambert	87,545	7.7	3.9	1 / 10	1	4th
2004	Mike Woodin	Caroline Lucas	158,986	8.4	0.8	1 / 9		5th
2009	Caroline Lucas		190,589	10.9	2.5	1 / 8		4th
2014	Natalie Bennett		196,419	8.9	2.0	1 / 8		4th
2019	Jonathan Bartley	Siân Berry	278,957	12.4	3.5	1 / 8		4th

The table below shows the results obtained by the Ecology Party in elections to the Greater London Council (GLC). The GLC was the top-tier local government administrative body for Greater London from 1965 to 1986. It replaced the earlier London County Council which had covered a much smaller area. The GLC was dissolved in 1986 by the Local Government Act 1985 and its powers were devolved to the London boroughs and other entities. All GLC elections were conducted under the first-past-the-post voting system. The Ecology Party never won any seats on the GLC.

Election	Leader	Votes			Seats		Status
		No.	%	±	No.	±
1977		298	< 0.1	N/A	0 / 92	N/A	No seats
1981		17,515	0.8	0.8	0 / 92		No seats

The table below shows the London Green Party results at London Assembly elections since the Greater London Authority was established in 2000. Assembly elections use the additional member system, a form of mixed member proportional representation, with 14 directly elected constituencies and 11 London-wide top-up seats.

The party's best results were at the 2000, 2021, and 2024 London Assembly elections, when it won 3 of 25 seats.

Election	Leader	Constituency			Party			Total Seats	±
		No.	%	Seats	No.	%	Seats
2000	Darren Johnson	162,457	10.2%	0 / 14	183,910	11.1%	3 / 11	3 / 25	N/A
2004		138,242	7.7%	0 / 14	160,445	8.6%	2 / 11	2 / 25	1
2008	Jenny Jones	194,059	8.1%	0 / 14	203,465	8.3%	2 / 11	2 / 25
2012		188,623	8.5%	0 / 14	189,215	8.5%	2 / 11	2 / 25
2016	Siân Berry	236,809	9.1%	0 / 14	207,959	8.0%	2 / 11	2 / 25
2021	Caroline Russell	336,840	13.0%	0 / 14	305,452	11.8%	3 / 11	3 / 25	1
2024		319,869	12.9%	0 / 14	286,746	11.6%	3 / 11	3 / 25

The table below shows the London Green Party results in London Mayoral elections since the Greater London Authority was established in 2000. Elections between 2000 and 2021 were conducted using the supplementary vote system, which allowed voters to transfer votes from first to second preference candidates. The 2024 election used the first-past-the-post system.^[12]

The London Green Party has never won a London mayoral election. The party's best result was at the 2021 London mayoral election, when it won 7.8% of the first preference vote. The party won 5.8% of the vote at the most recent election in 2024.

Election	Candidate	1st Round			2nd Round			Result
		No.	%	±	No.	%	±
2000	Darren Johnson	38,121	2.2	N/A	Eliminated			Lost
2004		57,332	3.1	0.8	Eliminated			Lost
2008	Siân Berry	77,396	3.2	0.1	Eliminated			Lost
2012	Jenny Jones	98,913	4.5	1.3	Eliminated			Lost
2016	Siân Berry	150,673	5.8	1.3	Eliminated			Lost
2021		197,976	7.8	2.0	Eliminated			Lost
2024	Zoë Garbett	145,114	5.8	2.0				Lost

Date		Vote	% of Vote	Change	Councils	Change	Councillors	Change
	1990	141,569	5.9%	4.7%	0		0
	1994	48,798	2.2%	3.7%	0		0
	1998	50,732	2.9%	0.7%	0		2	2
	2002	95,394	5.5%	2.6%	0		1	1
	2006	169,160	7.9%	2.4%	0		12	11
	2010	248,175	6.6%	1.3%	0		2	10
	2014	246,805	9.8%	3.2%	0		4	2
	2018	211,170	8.6%	1.2%	0		11	7
	2022	276,160	11.9%	3.3%	0		18	7