Conservative
Labour
Liberal
Bonar Law
210 days
Stanley Baldwin
245
Ramsay Macdonald
287
Alec Douglas Home
363
Anthony Eden
644
Stanley Baldwin
721
Harold Wilson
763
Henry Campbell Bannerman
852
Gordon Brown
1,049
Neville Chamberlain
1,078
Boris Johnson (ongoing)
1,079
Theresa May
1,106
James Callaghan
1,124
Conservative
Labour
Liberal
0 days
200
400
600
800
1,000
1,200
210 days
Bonar Law
245
Stanley Baldwin
287
Ramsay Macdonald
363
Alec Douglas-Home
644
Anthony Eden
721
Stanley Baldwin
763
Harold Wilson
852
Henry Campbell-Bannerman
1,049
Gordon Brown
1,078
Neville Chamberlain
1,079
Boris Johnson (ongoing)
1,106
Theresa May
1,124
James Callaghan