Compare
South Korea vs United States
How South Korea and United States compare on 38 measures, from 1789 to 2025. The main differences:
- Life expectancy · In 2023, South Korea was higher: 84.3 years against 79.3 years
- GDP per person · In 2025, United States was higher: $67,950 against $37,470
- Population · In 2023, United States was higher: 344 million people against 51.8 million people
- Military spending · In 2025, United States was higher: 3.12% of GDP against 2.6% of GDP
- CO₂ per person · In 2024, United States was higher: 13.62 tonnes against 11.36 tonnes
- Life expectancySouth Korea: 84.3 years in 2023United States: 79.3 years in 2023
- PopulationSouth Korea: 51.8 million people in 2023United States: 344 million people in 2023
- GDP per personSouth Korea: $37,470 in 2025United States: $67,950 in 2025
- TemperatureSouth Korea: 13.5 °C in 2025United States: 10.5 °C in 2025
Every measure
Health
- Life expectancySouth Korea: 84.3 years in 2023United States: 79.3 years in 2023
- Child mortalitySouth Korea: 0.3 per 100 live births in 2024United States: 0.7 per 100 live births in 2024
- Infant mortalitySouth Korea: 2.1 per 1,000 live births in 2023United States: 5.3 per 1,000 live births in 2023
- Safe drinking waterSouth Korea: 99.3% in 2022United States: 97.5% in 2022
- DepressionSouth Korea: 3.17% in 2017United States: 4.84% in 2017
- Suicide rateSouth Korea: 20.8 per 100,000 people in 2017United States: 12.8 per 100,000 people in 2017
People
- PopulationSouth Korea: 51.8 million people in 2023United States: 344 million people in 2023
- Population growthSouth Korea: -0.04% a year in 2023United States: 0.58% a year in 2023
- Fertility rateSouth Korea: 0.72 births per woman in 2023United States: 1.62 births per woman in 2023
- Urban populationSouth Korea: 81.2% in 2025United States: 80.2% in 2025
- Median ageSouth Korea: 44.5 years in 2023United States: 38 years in 2023
- People aged 65 and overSouth Korea: 18.3% in 2023United States: 17.4% in 2023
- Net migration rateSouth Korea: 1.7 per 1,000 people in 2023United States: 3.9 per 1,000 people in 2023
Economy
- GDP per personSouth Korea: $37,470 in 2025United States: $67,950 in 2025
- GDP growthSouth Korea: 1.1% a year in 2025United States: 2.3% a year in 2025
- InflationSouth Korea: 2.1% a year in 2025United States: 2.7% a year in 2025
- Government debtSouth Korea: 49.6% of GDP in 2024United States: 124.4% of GDP in 2025
Education
Politics
Conflict
Military
- Military spendingSouth Korea: 2.6% of GDP in 2025United States: 3.12% of GDP in 2025
- Military spending in US dollarsSouth Korea: $48.9B in 2025United States: $929B in 2025
- Military spending per personSouth Korea: $924 in 2025United States: $2,755 in 2025
- Military share of state spendingSouth Korea: 10.8% of government spending in 2025United States: 8.3% of government spending in 2025
- Armed forces personnelSouth Korea: 569,000 people in 2020United States: 1.4 million people in 2020
- National powerSouth Korea: 2% of world capability in 2022United States: 12.36% of world capability in 2022
- Armed forces, share of workersSouth Korea: 2.01% of the labour force in 2020United States: 0.84% of the labour force in 2020
- Arms importsSouth Korea: 222 million TIV in 2025United States: 745 million TIV in 2025
- Arms exportsSouth Korea: 2.02 billion TIV in 2025United States: 14 billion TIV in 2025
Climate
Technology and environment
Each country on its own
Good to know
- Sources: UN, Gapminder and UN IGME, WHO/UNICEF, IHME, World Bank, IMF, Our World in Data, V-Dem, UCDP, SIPRI, IISS, Correlates of War, ERA5, CMIP6, EDGAR, ITU and FAO. Each measure’s page names its own and what it counts.
- Values are drawn on today’s borders. Years without a published value are left empty, never filled in.
How the layers work, where their data comes from and what they can’t tell you: Countries through time