ElectionTracker
Projection · House of Commons · 650 seats

Vote Share Projection

Adjust vote-share sliders and see how seat totals shift. Lock a party to keep its share fixed. Shares always sum to 100%.

Reform UK largest with 244 seats
100.0%
Vote Shares
Drag or type · lock to pin
ShareSeats
REF
%
244
LAB
%
121
CON
%
108
LD
%
77
GRN
%
47
OTH
%
37
SNP
%
13
PC
%
3
Lock a party to exclude it from redistribution. Max 60% per party.
Parliament — 650 Seats
Left → right by political spectrum · dashed = majority (326)
REF244LAB121CON108LD77GRN47OTH37SNP13PC3
Projected House of Commons
FPTP first-order proxy — leading party +35% seat bonus
majority · 326
REF
LAB
CON
LD
GRN
REF244LAB121CON108LD77GRN47OTH37SNP13PC3

Model note: Leading party ×1.35, others ×0.92, rounded with remainder to the leader. Indicative only.

Coalition Builder
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majority · 326
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