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How the UK compares · UK and one country

UK vs South Korea: GDP, GDP per person and government debt compared

On IMF figures, the UK's GDP in 2025 was $4.01 trillion; South Korea's was $1.88 trillion. In 2025 the IMF gives $65,758 for the UK's GDP per head and $65,685 for South Korea. IMF figures for 2025 put the UK's government debt at 102.1% of GDP, higher than South Korea's 52.4% of GDP.

GDP, current prices, 2025
$4.01 trillion
UK · South Korea: $1.88 trillion
GDP per head, purchasing power parity, 2025
$65,758
UK · South Korea: $65,685
General government gross debt, 2025
102.1% of GDP
UK · South Korea: 52.4% of GDP

GDP, current prices

On IMF figures, the UK's GDP in 2025 was $4.01 trillion; South Korea's was $1.88 trillion. The UK's figure was higher than South Korea's in every year from 2015 to 2025.

GDP, current prices. International Monetary Fund, World Economic Outlook database (IMF DataMapper).
YearUKSouth Korea
2025$4.01 trillion$1.88 trillion
2024$3.71 trillion$1.88 trillion
2023$3.44 trillion$1.84 trillion
2022$3.20 trillion$1.80 trillion
2021$3.21 trillion$1.94 trillion
2020$2.73 trillion$1.74 trillion
2019$2.89 trillion$1.75 trillion
2018$2.91 trillion$1.82 trillion
2017$2.71 trillion$1.71 trillion
2016$2.72 trillion$1.58 trillion
2015$2.95 trillion$1.54 trillion

The IMF's GDP in US dollars is the value of all goods and services produced in a country in a calendar year, at that year's prices, converted from the national currency into US dollars at market exchange rates.

GDP per head, purchasing power parity

In 2025 the IMF gives $65,758 for the UK's GDP per head and $65,685 for South Korea. The UK's figure was higher than South Korea's in every year from 2015 to 2025.

GDP per head, purchasing power parity. International Monetary Fund, World Economic Outlook database (IMF DataMapper).
YearUKSouth Korea
2025$65,758$65,685
2024$63,492$63,198
2023$61,899$60,342
2022$60,180$57,356
2021$54,009$51,923
2020$48,881$47,881
2019$50,729$46,511
2018$47,780$45,511
2017$46,556$43,156
2016$44,511$41,105
2015$43,480$39,623

The IMF's GDP per head at purchasing power parity is GDP divided by population, converted into international dollars using purchasing power parities: rates that adjust for differences in price levels between countries, so that a dollar buys the same amount everywhere.

General government gross debt

IMF figures for 2025 put the UK's government debt at 102.1% of GDP, higher than South Korea's 52.4% of GDP. The UK's figure was higher than South Korea's in every year from 2015 to 2025.

General government gross debt. International Monetary Fund, World Economic Outlook database (IMF DataMapper).
YearUKSouth Korea
2025102.1% of GDP52.4% of GDP
202499.4% of GDP49.6% of GDP
202398.3% of GDP50.6% of GDP
202297.1% of GDP49.7% of GDP
2021103.0% of GDP47.9% of GDP
2020104.4% of GDP45.9% of GDP
201984.5% of GDP39.7% of GDP
201885.3% of GDP37.9% of GDP
201785.9% of GDP38.0% of GDP
201687.2% of GDP39.1% of GDP
201587.3% of GDP38.8% of GDP

The IMF's general government gross debt is all the liabilities of central, regional and local government and social security funds that require payments of interest or principal in future: debt securities, loans, currency and deposits, insurance and pension schemes, and other accounts payable.

More figures for the UK and South Korea

FigureUKSouth KoreaYearSource
Life expectancy at birth81.4 years83.6 years2024World Bank
Total tax revenue34.4% of GDP25.3% of GDP2024OECD
Current health expenditure11.4% of GDP8.4% of GDP2025OECD
General government expenditure43.5% of GDP35.9% of GDP2025IMF
Employment rate, ages 15 to 6475.1%69.8%2025OECD
Real minimum wage per hour$17.13 an hour$11.40 an hour2025OECD
Carbon dioxide emissions per person4.22 tonnes11.36 tonnes2024World Bank
Gross domestic spending on research and development2.8% of GDP4.9% of GDP2023OECD
Price-to-income ratio, standardised117.5 (100 = long-term average)49.0 (100 = long-term average)2024OECD

Each value is for the latest year both the UK and South Korea have in that body's data. International bodies adjust national figures so that countries can be compared, so UK values can differ from the ONS's.

Ranked tables with the UK and South Korea

More about South Korea: South Korea in figures. Compare any two countries with the country comparison tool.

Sources and receipts

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