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Visualizing the Most Populous Countries in the World

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The Most Populous Countries in the World

Visualizing the Most Populous Countries in the World

India’s population is projected to surpass China’s as soon as 2022.

While this is consequential on a global economic level, it also leaves other population trends overlooked. For instance, Nigeria is projected to have more people than the U.S., the world’s third-largest country by population, by the year 2050.

This treemap visualization, adapted from PopulationPyramid.net, is an overview of the global population in 2020, showing us the world’s most populous countries.

The 50 Most Populous Countries

China, with a population of 1.44 billion, is the most populous country worldwide.

In 2019, over 60% of its population resided in urban centers, a trend that has seen the portion of city dwellers double over the last 25 years. For context, 83% of the U.S. population lives in cities, while just 35% of India’s population dwells in urban areas.

Together, China and India’s populations make up over 36% of the global total.

CountryPopulation (2020)
1🇨🇳 China1,439,323,774
2🇮🇳 India1,380,004,385
3🇺🇸 U.S.331,002,647
4🇮🇩 Indonesia273,523,621
5🇵🇰 Pakistan220,892,331
6🇧🇷 Brazil212,559,409
7🇳🇬 Nigeria206,139,587
8🇧🇩 Bangladesh164,689,383
9🇷🇺 Russian Federation145,934,460
10🇲🇽 Mexico128,932,753
11🇯🇵 Japan126,476,458
12🇪🇹 Ethiopia114,963,583
13🇵🇭 Philippines109,581,085
14🇪🇬 Egypt102,334,403
15🇻🇳 Vietnam97,338,583
16🇨🇩 D.R. Congo89,561,404
17🇹🇷 Turkey84,339,067
18🇮🇷 Iran83,992,953
19🇩🇪 Germany83,783,945
20🇹🇭 Thailand69,799,978
21🇬🇧 United Kingdom67,886,004
22🇫🇷 France65,273,512
23🇮🇹 Italy60,461,828
24🇹🇿 Tanzania59,734,213
25🇿🇦 South Africa59,308,690
26🇲🇲 Myanmar54,409,794
27🇰🇪Kenya53,771,300
28🇰🇷 Republic of Korea51,269,183
29🇨🇴 Colombia50,882,884
30🇪🇸 Spain46,754,783
31🇺🇬 Uganda45,741,000
32🇦🇷 Argentina45,195,777
33🇩🇿 Algeria43,851,043
34🇸🇩 Sudan43,849,269
35🇺🇦 Ukraine43,733,759
36🇮🇶 Iraq40,222,503
37🇦🇫 Afghanistan38,928,341
38🇵🇱 Poland37,846,605
39🇨🇦 Canada37,742,157
40🇲🇦 Morocco36,910,558
41🇸🇦 Saudi Arabia34,813,867
42🇺🇿 Uzbekistan33,469,199
43🇵🇪 Peru32,971,846
44🇦🇴 Angola32,866,268
45🇲🇾 Malaysia32,365,998
46🇲🇿 Mozambique31,255,435
47🇬🇭 Ghana31,072,945
48🇾🇪 Yemen29,825,968
49🇳🇵 Nepal29,136,808
50🇻🇪 Venezuela28,435,943

Extending over 17,000 islands, Indonesia comes fourth among the world’s most populous countries, standing at 273.5 million people.

Pakistan comes in fifth, with 220.8 million. Karachi, located on the southeastern coast of Pakistan, is home to over 16 million people alone. It is Pakistan’s most populous city, and the seventh-largest city in the world.

Nigeria also makes it onto the list. In just three decades, the country’s population is projected to climb from 206 million to 400 million—growing at a percentage clip that is more than double that of India.

The 50 Least Populous Countries

Combined, the 50 least-populous countries make up under 0.4% of the total world population. By contrast, the top 50 account for 87% of the total.

Unsurprisingly, the world’s low population nations are situated on small islands, often tropical and reliant on tourism.

CountryPopulation*
1🇻🇦 Vatican City799
2🇹🇰 Tokelau1,340
3🇳🇺 Niue1,615
4🇫🇰 Falkland Islands3,377
5🇲🇸 Montserrat4,989
6🇵🇲 Saint Pierre and Miquelon5,822
7🇸🇭 Saint Helena6,059
8🇳🇷 Nauru10,756
9🇼🇫 Wallis and Futuna11,432
10🇹🇻 Tuvalu11,646
11🇦🇮 Anguilla14,869
12🇨🇰 Cook Islands17,548
13🇵🇼 Palau18,008
14🇧🇶 Caribbean Netherlands25,979
15🇻🇬 British Virgin Islands30,030
16🇬🇮 Gibraltar33,701
17🇸🇲 San Marino33,860
18🇱🇮 Liechtenstein38,019
19🇹🇨 Turks and Caicos Islands38,191
20🇲🇨 Monaco38,964
21🇸🇽 Sint Maarten42,388
22🇫🇴 Faroe Islands48,678
23🇰🇳 Saint Kitts and Nevis52,823
24🇦🇸 American Samoa55,312
25🇲🇵 Northern Mariana Islands56,188
26🇬🇱 Greenland56,672
27🇲🇭 Marshall Islands58,791
28🇧🇲 Bermuda62,506
29🇰🇾 Cayman Islands64,948
30🇩🇲 Dominica71,808
31🇦🇩 Andorra77,142
32🇮🇲 Isle of Man84,584
33🇦🇬 Antigua and Barbuda97,118
34🇸🇨 Seychelles97,739
35🇻🇮 United States Virgin Islands104,578
36🇦🇼 Aruba106,314
37🇻🇨 Saint Vincent and the Grenadines110,589
38🇹🇴 Tonga110,940
39🇬🇩 Grenada112,003
40🇫🇲 Micronesia (Fed. States of)113,815
41🇰🇮 Kiribati117,606
42🇨🇼 Curaçao163,424
43🇬🇺 Guam167,294
44Channel Islands172,259
45🇱🇨 Saint Lucia182,790
46🇼🇸 Samoa197,097
47🇸🇹 São Tomé and Príncipe215,056
48Mayotte266,150
49🇵🇫 French Polynesia279,287
50🇬🇫 French Guiana282,731

*Source: United Nations, as of July 1, 2019. Includes territories.

With a total of 799 residents in 2019, Vatican City is the least populated country. Following close behind is the territory of Tokelau, a cluster of islands situated between New Zealand and Hawaii.

The Caribbean island nation of Antigua and Barbuda is also among the smallest populations in the world, with just 97,118 inhabitants. While it may be small in terms of total inhabitants, its population density is another story—with over 222 people per square kilometer. That is roughly 50% higher than China, but about half the population density of India.

Meanwhile, the 33 pacific islands of Kiribati also make the top 50 list of the least populous countries worldwide. With a population of 117,606, Kiribati was a testing site for atomic bombs by the British and Americans during the 1960s. The island reached independence in 1979, after being under crown colonial rule since 1916.

Regional Median Ages

How about the median ages across these populations?

By far, the African region has the lowest median age at 19.8 years old, partially driven by a high birth rate of 4.7 children per woman. In contrast, the global average falls around 2.5 children.

By 2050, Africa’s population will effectively double from 1.3 billion to 2.5 billion.

RegionAnnual Rate of Natural Population IncreaseMedian Age (2020)
Africa2.5%19.8 years
Asia0.9%32.1 years
Central America1.2%28.3 years
Europe-0.1%42.7 years
Latin America & Caribbean0.9%30.9 years
Northern America0.3%38.6 years
Oceania0.9%33.5 years
South America0.9%32.0 years
World1.0%30.9 years

Source: Our World in Data

On the other hand, Europe is the oldest, at 42.7 years for this demographic metric.

With a median age of 47.9, Italy has the second-oldest population in the world, topped only by Japan. Meanwhile, Germany (46.6), Portugal (46.2), and Spain (45.5) fall next in line. If current trends continue, by 2050, half of Europe’s population will be non-working and over the age of 65.

That said, it should be noted that this trend is not exclusive to Europe. In 30 years, 1.5 billion people globally will be over the age of 65, amounting to 16% of the global population.

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U.S. Debt Interest Payments Reach $1 Trillion

U.S. debt interest payments have surged past the $1 trillion dollar mark, amid high interest rates and an ever-expanding debt burden.

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This line chart shows U.S. debt interest payments over modern history.

U.S. Debt Interest Payments Reach $1 Trillion

This was originally posted on our Voronoi app. Download the app for free on iOS or Android and discover incredible data-driven charts from a variety of trusted sources.

The cost of paying for America’s national debt crossed the $1 trillion dollar mark in 2023, driven by high interest rates and a record $34 trillion mountain of debt.

Over the last decade, U.S. debt interest payments have more than doubled amid vast government spending during the pandemic crisis. As debt payments continue to soar, the Congressional Budget Office (CBO) reported that debt servicing costs surpassed defense spending for the first time ever this year.

This graphic shows the sharp rise in U.S. debt payments, based on data from the Federal Reserve.

A $1 Trillion Interest Bill, and Growing

Below, we show how U.S. debt interest payments have risen at a faster pace than at another time in modern history:

DateInterest PaymentsU.S. National Debt
2023$1.0T$34.0T
2022$830B$31.4T
2021$612B$29.6T
2020$518B$27.7T
2019$564B$23.2T
2018$571B$22.0T
2017$493B$20.5T
2016$460B$20.0T
2015$435B$18.9T
2014$442B$18.1T
2013$425B$17.2T
2012$417B$16.4T
2011$433B$15.2T
2010$400B$14.0T
2009$354B$12.3T
2008$380B$10.7T
2007$414B$9.2T
2006$387B$8.7T
2005$355B$8.2T
2004$318B$7.6T
2003$294B$7.0T
2002$298B$6.4T
2001$318B$5.9T
2000$353B$5.7T
1999$353B$5.8T
1998$360B$5.6T
1997$368B$5.5T
1996$362B$5.3T
1995$357B$5.0T
1994$334B$4.8T
1993$311B$4.5T
1992$306B$4.2T
1991$308B$3.8T
1990$298B$3.4T
1989$275B$3.0T
1988$254B$2.7T
1987$240B$2.4T
1986$225B$2.2T
1985$219B$1.9T
1984$205B$1.7T
1983$176B$1.4T
1982$157B$1.2T
1981$142B$1.0T
1980$113B$930.2B
1979$96B$845.1B
1978$84B$789.2B
1977$69B$718.9B
1976$61B$653.5B
1975$55B$576.6B
1974$50B$492.7B
1973$45B$469.1B
1972$39B$448.5B
1971$36B$424.1B
1970$35B$389.2B
1969$30B$368.2B
1968$25B$358.0B
1967$23B$344.7B
1966$21B$329.3B

Interest payments represent seasonally adjusted annual rate at the end of Q4.

At current rates, the U.S. national debt is growing by a remarkable $1 trillion about every 100 days, equal to roughly $3.6 trillion per year.

As the national debt has ballooned, debt payments even exceeded Medicaid outlays in 2023—one of the government’s largest expenditures. On average, the U.S. spent more than $2 billion per day on interest costs last year. Going further, the U.S. government is projected to spend a historic $12.4 trillion on interest payments over the next decade, averaging about $37,100 per American.

Exacerbating matters is that the U.S. is running a steep deficit, which stood at $1.1 trillion for the first six months of fiscal 2024. This has accelerated due to the 43% increase in debt servicing costs along with a $31 billion dollar increase in defense spending from a year earlier. Additionally, a $30 billion increase in funding for the Federal Deposit Insurance Corporation in light of the regional banking crisis last year was a major contributor to the deficit increase.

Overall, the CBO forecasts that roughly 75% of the federal deficit’s increase will be due to interest costs by 2034.

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