Countries of Eastern Asia
We count 5 countries in Eastern Asia, part of Asia.
Together they have about 1.6 billion inhabitants, 20% of the population of all 195 countries, on 11,763,044 km².
The largest country is China, the smallest South Korea.
The most populous country is China, the least populous Mongolia.
South Korea has the highest GDP per person, Mongolia the lowest.
Mongolia has the youngest population (median age 27.0 years), Japan the oldest (50.2 years).
All 5 countries of Eastern Asia
Sorted by population. Every country links to its own page.
| Country | Capital | Population | Areakm² |
|---|---|---|---|
 China | Beijing | 1.4B | 9,600,000 |
 Japan | Tokyo | 122.4M | 377,930 |
 South Korea | Seoul | 51.6M | 100,460 |
 North Korea | Pyongyang | 26.6M | 120,538 |
 Mongolia | Ulaanbaatar | 3.6M | 1,564,116 |
Test yourself
Questions about the countries of Eastern Asia
How many countries are there in Eastern Asia?
We count 5 countries in Eastern Asia: China, Japan, Mongolia, North Korea, and South Korea.
What is the largest country in Eastern Asia?
The largest country in Eastern Asia is China, with 9,600,000 km².
What is the smallest country in Eastern Asia?
The smallest country in Eastern Asia is South Korea, with 100,460 km².
Which country in Eastern Asia has the most inhabitants?
The most populous country in Eastern Asia is China, with about 1.4 billion inhabitants.
Each country is counted on one continent only, following Natural Earth: Russia, for example, is counted in Europe and Turkey in Asia. Regions are Natural Earth's subregions, which follow the UN's M49 standard. Capital, region, borders and country code: Natural Earth, capitals checked by hand. Flag: flag-icons. How we check our data →