Here are the top 50 countries by population in the world.
China 1,339,724,852
India 1,210,193,422
United States 311,536,000
Indonesia 237,556,363
Brazil 190,732,694
Pakistan 176,313,000
Nigeria 158,423,000
Bangladesh 150,718,000
Russia 142,905,200
Japan 127,930,000
Mexico 112,336,538
Philippines 94,013,200
Vietnam 87,375,000
Germany 81,802,000
Egypt 80,369,000
Ethiopia 79,455,634
Iran 75,376,000
Turkey 73,722,988
Thailand 67,041,000
Dem. Rep. of Congo 65,966,000
France 65,821,885
United Kingdom 62,008,048
Italy 60,626,442
South Africa 49,991,300
South Korea 48,988,833
Myanmar 47,963,000
Spain 46,148,605
Colombia 46,020,000
Ukraine 45,724,242
Sudan 43,552,000
Tanzania 43,187,823
Argentina 40,091,359
Kenya 38,610,097
Poland 38,186,860
Algeria 36,300,000
Canada 34,481,000
Morocco 32,171,000
Uganda 31,800,000
Iraq 31,672,000
Afghanistan 31,412,000
Peru 29,461,933
Venezuela 29,251,000
Nepal 28,584,975
Malaysia 27,565,821
Uzbekistan 27,445,000
Saudi Arabia 27,136,977
North Korea 24,346,000
Ghana 24,233,431
Taiwan 23,170,321
Australia 22,633,994