1935 vs 1945 general election: what changed

How vote shares and seats changed between the 1935 and 1945 UK general elections, nationally and in every nation and region. Conservative–Labour swing: 10.6 points to Labour.

Con–Lab swing: 10.6 ptsto Labour
1935: Con 365largest party
1945: Lab 375largest party

United Kingdom
Party	Share 1935	Share 1945	Change	Seats 1935	Seats 1945	Change
Labour	38.0%	47.8%	+9.7	154	375	+221
Conservative	47.7%	36.2%	−11.5	365	187	−178
Liberal	6.7%	9.0%	+2.3	20	12	−8
National Liberal	3.9%	2.9%	−1.1	28	11	−17
Others	1.5%	2.1%	+0.6	4	8	+4
Independent Labour Party	0.6%	0.2%	−0.4	4	3	−1
Communist	—	0.4%	—	—	2	+2
National Independent	—	0.3%	—	—	2	+2
Common Wealth	—	0.4%	—	—	1	+1
National Labour	1.4%	—	—	7	—	−7

Nations and regions

Region	Top party 1935	Top party 1945	Con–Lab swing	Seats
England	Con 315	Lab 315	11.2 pts to Lab	485 → 510
Scotland	Con 34	Lab 35	7.7 pts to Lab	71 → 71
Wales	Lab 18	Lab 25	9.2 pts to Lab	35 → 35
Northern Ireland	Con 8	Con 5	5.6 pts to Lab	12 → 12
North East	Lab 14	Lab 26	10.2 pts to Lab	31 → 31
North West	Con 52	Lab 51	9.2 pts to Lab	86 → 88
Yorkshire and the Humber	Lab 27	Lab 43	8.7 pts to Lab	56 → 56
East Midlands	Con 24	Lab 26	8.7 pts to Lab	38 → 38
West Midlands	Con 34	Lab 34	14.8 pts to Lab	47 → 50
East of England	Con 25	Lab 20	12.4 pts to Lab	34 → 35
London	Con 62	Lab 86	14.2 pts to Lab	98 → 114
South East	Con 48	Con 37	14.0 pts to Lab	52 → 55
South West	Con 34	Con 22	10.7 pts to Lab	43 → 43
University seats	Con 2	Con 1	14.6 pts to Lab	12 → 12

Constituency boundaries changed between 1935 and 1945, so seats cannot be compared one by one. The national and regional figures above are comparable.

Official results House of Commons Library and UK Parliament election results data. Contains Parliamentary information licensed under the Open Parliament Licence v3.0. How we use this data