World Population

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7,503,828,180 (2018 est.)
top ten most populous countries (in millions): China 1379.3; India 1281.93; United States 326.63; Indonesia 260.58; Brazil 207.35; Pakistan 204.92; Nigeria 190.63; Bangladesh 157.83; Russia 142.26; Japan 126.45;

ten least populous countries: Holy See (Vatican City) 1,000; Montserrat 5,292; Saint Pierre and Miquelon 5,533; Saint Barthelemy 7,184; Saint Helena, Ascension, and Tristan de Cunha 7,828; Cook Islands 9,290; Tuvalu 11,052; Nauru 11,359; Wallis and Futuna 15,714; Anguilla 17,087;

ten most densely populated countries (population per sq km): Macau 21,346; Monaco 15,322; Singapore 8,572; Hong Kong 6,702; Gaza Strip 4,987; Gibraltar 4,523; Bahrain 1,857; Maldives 1,318; Malta 1,317; Bermuda 1,312;

ten least densely populated countries (population per sq km): Greenland less than 1; Mongolia 2; Western Sahara 2.3; Australia 3; Namibia 3; Iceland 3.4; Mauritania 3.6; Guyana 3.7; Libya 3.8; Suriname 3.8

Definition: This entry gives an estimate from the US Bureau of the Census based on statistics from population censuses, vital statistics registration systems, or sample surveys pertaining to the recent past and on assumptions about future trends. The total population presents one overall measure of the potential impact of the country on the world and within its region. Note: Starting with the 1993 Factbook, demographic estimates for some countries (mostly African) have explicitly taken into account the effects of the growing impact of the HIV/AIDS epidemic. These countries are currently: The Bahamas, Benin, Botswana, Brazil, Burkina Faso, Burma, Burundi, Cambodia, Cameroon, Central African Republic, Democratic Republic of the Congo, Republic of the Congo, Cote d'Ivoire, Ethiopia, Gabon, Ghana, Guyana, Haiti, Honduras, Kenya, Lesotho, Malawi, Mozambique, Namibia, Nigeria, Rwanda, South Africa, Swaziland, Tanzania, Thailand, Togo, Uganda, Zambia, and Zimbabwe.

Source: CIA World Factbook - This page was last updated on December 7, 2019

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