Asia is the world's largest and most populous continent, located primarily in the eastern and northern hemispheres. It covers 8.6% of the Earth's total surface area (or 29.9% of its land area) and with approximately 4 billion people, it hosts 60% of the world's current human population. During the 20th century Asia's population nearly quadrupled.

Brunei 1

Cambodia 13

China 31

Hong Kong SAR 1

India 8

Indonesia 12

Japan 40

Korea 10

Laos 10

Macau SAR 1

Malaysia 21

Myanmar 2

Nepal 8

Philippines 9

Republic of Singapore 11

Sri Lanka 2

Taiwan 5

Thailand 13

Vietnam 6