Country Comparison > Population > TOP 20

3United States313,847,465
19Congo, Democratic Republic of the73,599,190

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 - Unless otherwise noted, information in this page is accurate as of January 1, 2012

See also: Population map

Related News

World Population Unlikely to Stop Growing This Century
Scientific American - 9/19/2014 1:02:43 PM
Many African countries are bucking a global trend of having fewer babies and will continue to grow throughout the twenty-first century, a study suggests. The authors say that world population could top 12 billion by 2100, contradicting earlier predictions ...

Why estimate for world population in 2100 is now 11 billion
The Christian Science Monitor - 9/19/2014 8:19:22 PM
The latest projection underscores the idea that "population, which had sort of fallen off the world’s agenda ... Yet this is where some of the poorest countries on the planet are – where energy demand will grow with development and where the effects ...

World's population to reach 11 billion by 2100
Times of India - 9/19/2014 5:27:34 PM
Also, the ratio of working age people to older people is likely to decline substantially in all countries, even those that currently have young populations. A new study led by the University of Washington and the United Nations finds that world population ...

World Population to Reach 11 Billion by 2100 Study Says
Alaska Native News - 9/19/2014 6:03:22 PM
World population projections are based mostly on two things ... That method, Raftery said, generates too great a range. “In a given year and country the fertility rate might be half a child higher, but the probability that it would be half a child ...

Feeling Crowded? World Population Set to Explode Even More
NBC News - 9/20/2014 12:08:26 AM
But many countries will have growing populations of elderly people, with ever-fewer young adults to support them. The world's population didn't reach 1 billion until 1804. It took 123 years to hit the 2 billion mark in 1927. This doubled to 4 billion in ...

World population could exceed 12 billion in less than a century
Science Recorder - 9/20/2014 1:12:51 AM
According to Raftery, contrary to previous predictions that the world population growth would begin ... compared to around 1 billion today. Countries with a high current population and high fertility are particularly responsible for this trend, including ...

World Bracing for Big Baby Boom
Outside - 9/19/2014 7:50:44 PM
The 2014 group analyzed the same data but ran population models on a country-by-country basis, accounting for localized trends like ideal family size, education, and access to contraception. The new approach allowed the researchers to say with 95 percent ...

Expect 11 Billion People By 2100, Says Study In Big Upward Revision From Past Population Forecasts
The Weather Channel - 9/19/2014 12:26:55 PM
In most countries this century, average family sizes are expected to be between 1.5 and 2 children per woman, the study notes. "These projections indicate that there is little prospect of an end to world population growth this century without unprecedented ...

A World With 11 Billion People? New Population Projections Shatter Earlier Estimates
National Geographic - 9/18/2014 10:22:15 PM
Both groups foresee India becoming the world's most populous country, with its numbers peaking around 2070 and declining to around 1.5 or 1.6 billion by 2100. Where they differ most is in their estimates of the coming population decline in China and of the ...

How the world would look if countries were in proportion to their online population (Canada has nearly disappeared)
Daily Mail - 10/9/2013 11:55:15 PM
Every day when you log online, you enter the world wide web: A place where most of Africa has disappeared and China has eclipsed Russia as the country with the world's largest land mass. At least that's what the world looks like according to a new map ...

World Population Day Fact: Half The World’s Population Live In These Six Countries!
The Inquisitr - 7/11/2014 10:11:01 PM
Today (July 11) is World Population Day, and according to latest data from the United Nations, the population of the world stands at a staggering 7.2 billion people. According to Business Insider, the U.N. data also revealed another staggering fact.

World population by country: UN guesses the shape of the world by 2100 - 5/5/2011 11:56:07 PM
According to the UN Population Division's best-case 'medium' estimate - and you can see the original report here - it will take 13 years to add the eighth billion, 18 years to add the ninth billion and 40 years to reach the tenth billion. Population expert ...

The most corrupt countries in the world
USA Today - 7/14/2013 7:01:44 AM
More than half of the world's population believes corruption in the public sector is a very serious problem. Liberia and Mongolia are the two most corrupt countries in the world, according to a recent study. In both countries, 86% of residents believe ...

World Population Prospects Report projected India to be most Populous Country by 2028
Jagran Josh - 6/12/2013 11:53:13 PM
The UN report titled World Population Prospects was released on 13 June 2013, forecasted that India will be the most populous country of the world by 2028 leaving behind China. The report also claimed that by 2025 the world population will increase by one ...

490 - Map of the World's Countries Rearranged by Population
Big Think - 11/21/2010 6:57:52 PM
What if the world were rearranged so that the inhabitants of the country with the largest population would move to the country with the largest area? And the second-largest population would migrate to the second-largest country, and so on? The result would ...

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