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The Margin★ Midterms 2026 · 124d
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Mayor of London & London Assembly

London · Mayor & Assembly

Current composition · last election 2024-05-02 Turnout 40.5%

Sadiq Khan (Labour) won a third term in May 2024 with 43.8% under first-past-the-post; Labour also holds 11 of the Assembly's 25 seats. Siân Berry (Green) resigned days after the election and Zoë Garbett took her list seat · no change in party balance.

Mayor: first-past-the-post (first FPTP mayoral race, per the Elections Act 2022). Assembly: additional-member system, 25 seats. · 25 seats, 13 for a majority.
PartySeatsChangeSeats won
Labour1110 constituency + 1 list
Conservative83 constituency + 5 list
Green33 list
Liberal Democrats21 constituency + 1 list
Reform UK11 list

Mayor of London · 2024 result

Sadiq Khan (Labour) · in office since 2016, the first three-term Mayor of London

Sadiq Khan (Labour)43.8%
Susan Hall (Conservative)32.7%
Rob Blackie (Liberal Democrats)5.8%
Zoë Garbett (Green)5.8%

Next mayoral and Assembly elections: May 2028.

Source: 2024 London mayoral election and 2024 London Assembly election · official results.
Also: Scotland · Wales · Northern Ireland · UK seat projection