UK national debt is at the highest level since the 1960s

National debt as a % of nominal GDP

300%

Change of source

200

100

0

1700

1750

1800

1850

1900

1950

2000

300%

Change of source

200

100

0

1700

1750

1800

1850

1900

1950

2000

Guardian graphic. Source: Institute for government analysis of BoE data. Note: 1700-1993 BoE millennium dataset: national debt as a % of nominal GDP. 1993-2022 ONS: net debt (excluding public sector banks) as a % of GDP