The Conservatives are on course for the biggest tax-raising parliament since 1951

Changes in tax revenues as a percentage of national income, by parliament since 1951

Conservative

Labour

-6%

-5

-4

-3

-2

-1

0

1

2

3

4

Johnson, Truss, Sunak

2020

May, Johnson

Cameron, May

Cameron (Con-LD alliance)

2010

Blair, Brown

Blair

2000

Blair

Major

1990

Thatcher, Major

Thatcher

Thatcher

1980

Wilson, Callaghan

Heath

1970

Wilson

Wilson

Macmillan, Douglas-Home

1960

Eden, Macmillan

Churchill

1950

Conservative

Labour

-6%

-5

-4

-3

-2

-1

0

1

2

3

4

5

Johnson, Truss, Sunak

2020

May, Johnson

Cameron, May

Cameron (Con-LD alliance)

2010

Blair, Brown

Blair

2000

Blair

Major

1990

Thatcher, Major

Thatcher

Thatcher

1980

Wilson, Callaghan

Heath

1970

Wilson

Wilson

Macmillan, Douglas-Home

1960

Eden, Macmillan

Churchill

1950

Guardian graphic: Source: IFS. Note: values as per official out-turn data and the latest forecasts for 2023-24 and 2024-25. Start and end financial years have been selected to best reflect the period covered by each parliament. Feb–Oct 1974 parliament combined with subsequent parliament running to 1979