CountryDuel

Eastern Asia · sovereign state

South Korea

Republic of Korea

Capital
Seoul
Languages
Korean
Currency
South Korean won
People
51.7 million (2025)
Neighbours
1

Greetings from

South Korea

  • 2nd lowest fertility rate 0.75 children per woman · #2 of 210 · 2024
  • 13th highest economy size (GDP) $1.87 trillion · #13 of 207 · 2025
  • 14th highest life expectancy 83.6 years · #14 of 210 · 2024

Surprising facts about South Korea

The comparisons that stand out most against its neighbours, its region and the world median.

Picked for surprise among South Korea’s neighbours, its region and the world median.

South Korea among 213 countries & territories

Each dot shows where South Korea sits between the lowest and the highest value in the world; “See it” opens the full visual against the world median. Higher is not automatically better.

World twins

The countries most like South Korea across 12 indicators (GDP/person, Life exp., Median age, Fertility, Urban, Internet, Schooling, CO₂/person, Density, Temperature, Happiness, Obesity). Each indicator is standardised and compared by average distance; a resemblance, not a score.

Next door

Tap a country on the map to duel it.

Countries sharing a land border. Tap one to compare. Equal-area map centred on South Korea.

Natural rivals

About the same size

About as many people