364Labour seats
48.0%Largest party’s vote share
75.8%Turnout
Election result
DATEPolling day31 March 1966
01Largest party by seatsLabour
02Seats won364
03Vote share48.0%
04Turnout75.8%
Government outcome
Labour government · majority 97.
About this result
UK general elections are decided constituency by constituency using First Past the Post. Seat totals and national vote shares therefore measure different things.
Historical comparisons also need to allow for changes to constituency boundaries and the number of Commons seats.
Detailed results and source data
Seats won by party
PartySeats
Conservative253
Labour364
Liberal12
Other parties1
House of Commons Library summary grouping. For 1918–2019, SNP and Plaid Cymru are combined in the Library series and smaller parties are grouped as “Other parties”.