General Elections: Landslide Victories since World War Two

Largest Majorities

1945- Labour (Clement Atlee) - 72 seats majority
1950- Labour (Clement Atlee) - 2 seats majority
1951- Conservative (Winston Churchill) - 8 seats majority
1955- Conservative (Anthony Eden) - 29 seats majority
1959 - Conservative (Harold MacMillan) - 49 seats majority
1964 - Labour (Harold Wilson) - 1 seat majority
1966 - Labour (Harold Wilson) - 28 seats majority
1970 - Conservatives (Edward Heath) - 14 seats majority
1974 (Feb) - Labour (Harold Wilson) - 17 seats to make a majority
1974 (Oct) - Labour (Harold Wilson) - 1 seat majority
1979 - Conservatives (Margaret Thatcher) - 21 seats majority
1983 - Conservatives (Margaret Thatcher) - 71 seats majority
1987 - Conservatives (Margaret Thatcher) - 50 seats majority
1992 - Conservatives (John Major) - 10 seats majority
1997 - Labour (Tony Blair) - 88 seats majority
2001 - Labour (Tony Blair) - 84 seats majority
2005 - Labour (Tony Blair) - 31 seats majority
2010- Conservatives (David Cameron) - 20 seats to make a majority
2015- Conservatives (David Cameron) - 4 seats majority
2017- Conservatives (Theresa May) - 9 seats to make a majority

Labour Performance

1. 1997 = +88
2. 2001 = +84
3. 1945 = +72
4. 2005 = +31
5. 1966 = +28
6. 1950 = +2
7. 1974 (Oct) = +1
8. 1964 = +1
9. 1974 (Feb) = -17
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10. 1951 = -18
11. 1970 = -38
12. 1955 = -39
13. 1979 = -49
14. 1992 = -55
15. 1959 = -58
16. 2017 = -64
17. 2010 = -68
18. 2015 = -94
19. 1989 = -97
20. 1983 = -117

Conservative Performance

1. 1983 = +71
2. 1987 = +50
3. 1959 = +49
4. 1955 = +29
5. 1979 = +21
6. 1970 = +14
7. 1993 = +10
8. 2015 = +4
9. 2017 = -9
10. 2015 = -20
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11. 1964 = -12
12. 1950 = -15
13. 1974 (Feb) = -21
14. 2005 = -24
15. 1974 (Oct) = -41
16. 1966 = -63
17. 1945 = -124
18. 2001 = -164
19. 1997 = -165

Percentage Records for Labour

1945 = 47.7%
1950 = 46.1%
1951 = 48.8%
1955 = 46.4%
1959 = 43.8%
1964 = 44.1%
1966 = 48.0%
1970 = 43.1%
1974 (Feb) = 37.4%
1974 (Oct) = 39.2%
1979 = 36.9%
1983 = 27.6%
1987 = 30.8%
1993 = 34.4%
1997 = 43.2%
2001 = 40.7%
2005 = 35.2%
2010 = 29.0%
2015 = 30.4%
2017 = 40.0%


Percentage Records for Conservatives

1945 = 36.2%
1950 = 43.4%
1951 = 48.0%
1955 = 49.7%
1959 = 49.4%
1964 = 43.4%
1966 = 41.9%
1970 = 46.4%
1974 (Fev) = 37.9%
1974 (Oct) = 35.8%
1979 = 43.9%
1983 = 42.4%
1987 = 42.2%
1993 = 41.9%
1997 = 30.7%
2001 = 31.7%
2005 = 32.4%
2010 = 36.1%
2015 = 36.9%
2017 = 42.4%

Total percentage for two largest parties

1945 = 83.9%
1950 = 89.5%
1951 = 96.8%
1955 = 96.1%
1959 = 93.2%
1964 = 87.4%
1966 = 89.9%
1970 = 89.5%
1974 (Feb) = 75.8%
1975 (Oct) = 75.0%
1979 = 80.8%
1983 = 70.0%
1987 = 73.0%
1993 = 76.3%
1997 = 73.9%
2001 = 70.8%
2005 = 67.6%
2010 = 64.1%
2015 = 67.3%
2017 = 82.2%