Chart I.03t: UK Inflation since 1945
From 1945 to 1960 UK inflation flucuated between 2 percent and 9 percent.
In the 1960s inflation began a huge fluctuating surge, ending up at a 25.7 percent price increase in 1975 with intermediate peaks at 6.07 percent in 1965 and 9.91 percent in 1970.
After retreating to 12.32 percent in 1978 inflation surged again peaking at 19.7 percent in 1980 before slowly decreasing in the 1980s, bottoming out at 4.62 percent in 1986.
Inflation staged another surge in the late 1980s, peaking at 8.12 percent in 1990. But then inflation subsided, fluctuating around 1 to 2 percent in the 1990s, 2.5 percent in the 2000s, and 1 to 2 percent in the 2010s. In the COVID recovery of 2021 inflation surged to over 7 percent.
Expenditure data since 1983 comes from HM Treasury’s Public Expenditure Statistical Analysis reports.
Detailed table of spending data sources here.
Gross Domestic Product data comes from measuringworth.com.
Central government spending data begins in 1692.
Local authority spending data begins in 1868.
Sources for 2022:
GDP: OBR EFO supp. economy tables
Revenue: OBR March 2018 Economic and fiscal outlook – charts and tables: fiscal
Debt: OBR Public Finances Databank
Sources for 2028:
GDP: OBR EFO supp. economy tables
Revenue: OBR March 2018 Economic and fiscal outlook – charts and tables: fiscal
Debt: OBR Public Finances Databank
> revenue data sources for other years
On July 23, 2026 ukpublicspending.co.uk updated UK GDP and public debt outturn and forecasts released with the Office of Budget Responsibility in March 2026.
Recent and forecast GDP comes from the UK Office of Budget Responsibility's Economic and fiscal outlook report, using table 1.1 from tab "1.1" and table 1.2 from tab "1.2" in a spreadsheet file labeled "March 2026 Economic and fiscal outlook -- detailed forecast tables: economy". UK GDP previous to 2009 comes from Measuring Worth. The data goes back to 1700.
Note that chain-linked GDP is now in 2019 pounds.
Public sector net debt, outturn and forecast, comes from a tab called "Aggregates (£bn)" in the Public Finances Databank spreadsheet at the Office of Budget Responsibility.
Get spending chart.
Download spending table.
Download spending data series.
Review data sources.
ukpublicspending.co.uk was designed and executed by:
Christopher Chantrill.
Report bugs here.