Countries of Southeast Asia
We count 11 countries in Southeast Asia, part of Asia.
Together they have about 704.8 million inhabitants, 9% of the population of all 195 countries, on 4,483,383 km².
The largest country is Indonesia, the smallest Singapore.
The most populous country is Indonesia, the least populous Brunei.
Singapore has the highest GDP per person, Timor-Leste the lowest.
Timor-Leste has the youngest population (median age 22.1 years), Thailand the oldest (41.0 years).
All 11 countries of Southeast Asia
Sorted by population. Every country links to its own page.
| Country | Capital | Population | Areakm² |
|---|---|---|---|
 Indonesia | Jakarta | 287.9M | 1,892,410 |
 Philippines | Manila | 117.7M | 300,000 |
 Vietnam | Hanoi | 102.2M | 331,345 |
 Thailand | Bangkok | 71.6M | 513,140 |
 Myanmar | Naypyidaw | 55.2M | 676,577 |
 Malaysia | Kuala Lumpur | 36.4M | 330,621 |
 Cambodia | Phnom Penh | 18.1M | 181,035 |
 Laos | Vientiane | 8M | 236,800 |
 Singapore | Singapore | 5.9M | 736 |
 Timor-Leste | Dili | 1.4M | 14,954 |
 Brunei | Bandar Seri Begawan | 469,775 | 5,765 |
Test yourself
Questions about the countries of Southeast Asia
How many countries are there in Southeast Asia?
We count 11 countries in Southeast Asia: Brunei, Cambodia, Indonesia, Laos, Malaysia, Myanmar, Philippines, Singapore, Thailand, Timor-Leste, and Vietnam.
What is the largest country in Southeast Asia?
The largest country in Southeast Asia is Indonesia, with 1,892,410 km².
What is the smallest country in Southeast Asia?
The smallest country in Southeast Asia is Singapore, with 736 km².
Which country in Southeast Asia has the most inhabitants?
The most populous country in Southeast Asia is Indonesia, with about 287.9 million 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 →