How the World Works

United Kingdom

Borrows in its own currency, but relies on foreign investors to fund a persistent current account deficit, which makes gilts sensitive to doubts about the public finances.

Currency: Pound sterling · Central bank: Bank of England · Economy: about $4.3tn

1 · Government finances

How much it owes, and what it costs

Government debt in the UK is about 102% of GDP this year, on IMF estimates, 18 points higher than in 2019. The government is running a deficit of 3.8% of GDP: even before paying 2.6% of GDP in interest, it spends more than it collects. The IMF expects debt to fall to about 100% by 2031.

Measure201920252026IMF estimate2031IMF forecast2007–26
Government debt% of GDP, gross84.5%102.1%102.0%100.2%
Budget balance% of GDP, minus = deficit−2.4%−5.3%−3.8%−1.4%
Primary balancebudget before interest−0.9%−2.7%−1.1%+1.5%
Interest cost% of GDP, net1.4%2.6%2.6%2.9%
Credit ratings
AAS&P
Aa3Moody’s
AA-Fitch

Long-term foreign-currency ratings, checked 25 October 2026. AAA is the highest grade; below BBB− is “high yield”.

2 · External position

What it earns and spends abroad

The UK runs a current account deficit of 3.3% of GDP (about $142bn): it spends more abroad than it earns, and relies on foreign investors to fund the gap.

Measure201920252026IMF estimate2007–26
Current account% of GDP−2.3%−3.0%−3.3%
Current accountUS$ billions−68−121−142
3 · Economy and markets

Growth, prices and borrowing costs

The IMF expects the economy to grow 1.3% this year in real terms, with inflation averaging 3.3%. Its 10-year borrowing cost, 5.40%, is above the economy’s nominal growth of roughly 4.6% (growth plus inflation). Over time, that makes debt harder to keep stable relative to GDP.

3.75%Policy rate · Bank Rate
22 Oct 2026
5.40%10-year yield · 10-year gilt
Oct 2026
3.5%Inflation, latest month · ONS
Sep 2026
Measure20252026IMF estimate2027IMF forecast
Growthreal GDP, %1.2%1.3%1.2%
Inflationaverage for the year, %3.4%3.3%2.8%
Unemployment% of workforce4.9%5.3%5.3%
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Sources and notes

  • Government finances, current account, growth, inflation and unemployment: IMF World Economic Outlook and Fiscal Monitor, via the IMF DataMapper (checked 2026-10-24). The IMF publishes them in April and October.
  • 2026 figures are IMF estimates, and later years are IMF forecasts. Earlier years are actual data, sometimes revised.
  • Debt is general government gross debt: central, regional and local government and social security. Interest cost is net interest, worked out as the primary balance minus the overall balance.
  • Credit ratings: long-term foreign-currency ratings from S&P Global, Moody’s and Fitch, checked on the date shown. Agencies can change them at any time.
  • Policy rates, 10-year yields, monthly inflation and exchange rates: as on The numbers page.