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The Yuxi Circle: The World’s Most Densely Populated Area

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The Yuxi Circle The World’s Most Densely Populated Area

The Yuxi Circle: The World’s Most Densely Populated Area

If you wanted to capture over 55% of the global population inside a circle with a 4,000km radius, which city would you place at its epicenter?

In 2013, a post appeared on Reddit marking a circular area of the globe with “more people living inside this circle than outside of it.” The circle had a radius of 4,000 km (just under 2,500 miles) and was named the Valeriepieris circle after author Ken Myers’ username.

Acknowledging that the Valeriepieris circle is not actually a circle (it was drawn on a two-dimensional map rather than a globe) and is based on data that has become outdated, mapmaker Alasdair Rae went digging and discovered what he calls The Yuxi Circle, the world’s most densely populated area.

Introducing the Yuxi Circle

Rae traced circles around 1,500 cities worldwide to find out how many people lived within a 4,000 km radius, just like the original Valeriepieris circle. He based his calculations on WorldPop data from 2020, based on a global population of 7.8 billion people.

Of the 1,500 circles that Rae made calculations for, 148 contained populations of 4 billion or more. He found many examples in Asia including in China, Myanmar (Mandalay), Laos (Vientiane), Bangladesh (Chattogram), India (Agartala), Bhutan (Thimpu), and Vietnam (Hanoi) to name a few.

But of them all, Yuxi, a city in the Yunnan province of China, has the largest population living within a 4,000 km radius: 4.32 billion.

Put another way? The circle encompasses over 55% of the world’s population, despite including desolate areas like the Taklamakan Desert, the Tibetan Plateau, Mongolia, and Southern Siberia.

Densely Populated Areas Around the Globe

Rae’s search for densely populated clusters also turned up notable circles beyond Asia. They surrounded cities like Cairo, Paris, and Mexico City.

Note: Keep in mind that the white lines on the flat maps are equidistant circles but will only look like circles when plotted on a globe.

The World’s Most Densely Populated Areas - Hanoi

Circling Hanoi yields a population of 4.27 billion (54% of the global population). It was the runner up city circle in Rae’s original search.

Populated Area Circles - Cairo

Circling Cairo yields a population of 2.29 billion. This circle reaches most of Europe while still containing populated areas of India, Pakistan, and Africa.

Populated Area Circles - Paris

Comparatively, circling Paris yields a population of 1.19 billion. This Euro-centric circle contains large tracts of water and scarcely populated islands such as Iceland and Greenland.

Populated Area Circles - Mexico City

Across the Atlantic, circling Mexico City yields a population of 0.73 billion. It’s significantly smaller than the other circles, as the total population in the Americas is concentrated in just three countries, the U.S., Mexico, and Brazil (not included in this circle).

It’s worth noting that the Valeriepieris circle also inspired other people to look at population density in different ways. In 2015, Danny Quah of the London School of Economics looked more closely at the Valeriepieris circle and was inspired to find the smallest circle with more people living inside of it than outside. He determined that a circle with a radius of 3,300 km centered near Mong Khet, Myanmar was “the world’s tightest cluster of people.”

While the Yuxi Circle contains the largest population using Rae’s approach as of early 2022, global populations are constantly changing. Who knows where the next Yuxi Circle will be?

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This article was published as a part of Visual Capitalist's Creator Program, which features data-driven visuals from some of our favorite Creators around the world.

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Misc

Mapped: Asia’s Population Patterns by Density

We visualize Asia’s population patterns to see where 4.6 billion people, or two-thirds of the world’s population, actually live.

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A cropped map of Asia's population patterns, visualizing where people actually live.

A Map of Asia’s Population Patterns by Density

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.

Nearly 60% of the world’s 8 billion population lives in Asia: a vast continent sprawling over 44 million km², home to sprawling megacities, high-altitude deserts, the world’s biggest plateau, and impenetrable rainforests.

We visualize Asia’s population patterns using data from WorldPop—a research group based out of the University of Southampton that tracks population growth and movement across the globe.

A spike on the map denotes higher population density.

Other figures in this article are sourced from World Population Review (population numbers) and the World Bank (area).

Ranked: Asia’s Countries By Population

Immediately the map visualizes at impressive scale a rather well-known fact: that India and China together account for 35% of the world’s population just by themselves.

Pakistan (ranked 4th in population) and Bangladesh (ranked 5th) together account for another 400 million people.

The role of the Himalayas in this distribution is understated: the mountain range is a source of ten major rivers, flowing to India, Nepal, Bangladesh, Pakistan, and China, providing fresh water to 1.3 billion people in its watershed.

RankCountryPopulationArea
1🇮🇳 India1,437,982,6613,287,260 km²
2🇨🇳 China1,425,317,7209,562,910 km²
3🇮🇩 Indonesia279,119,6261,916,907 km²
4🇵🇰 Pakistan243,772,596796,100 km²
5🇧🇩 Bangladesh174,173,808147,570 km²
6🇷🇺 Russia144,101,44917,098,250 km²
7🇯🇵 Japan122,833,540377,974 km²
8🇵🇭 Philippines119,106,224300,000 km²
9🇻🇳 Vietnam99,308,524331,340 km²
10🇮🇷 Iran89,626,6611,745,150 km²
11🇹🇷 Turkey86,127,389785,350 km²
12🇹🇭 Thailand71,863,281513,120 km²
13🇲🇲 Myanmar54,849,472676,590 km²
14🇰🇷 South Korea51,756,284100,430 km²
15🇮🇶 Iraq46,225,266435,050 km²
16🇦🇫 Afghanistan43,026,322652,860 km²
17🇸🇦 Saudi Arabia37,473,9292,149,690 km²
18🇺🇿 Uzbekistan35,522,965448,924 km²
19🇾🇪 Yemen34,982,136555,000 km²
20🇲🇾 Malaysia34,562,556330,411 km²
21🇳🇵 Nepal31,136,781147,180 km²
22🇰🇵 North Korea26,220,850120,540 km²
23🇸🇾 Syria24,010,759185,180 km²
24🇹🇼 Taiwan23,942,52236,197 km²
25🇱🇰 Sri Lanka21,933,15565,610 km²
26🇰🇿 Kazakhstan19,764,1582,724,900 km²
27🇰🇭 Cambodia17,071,236181,040 km²
28🇯🇴 Jordan11,368,89889,318 km²
29🇦🇿 Azerbaijan10,448,63686,600 km²
30🇹🇯 Tajikistan10,277,238141,379 km²
31🇦🇪 UAE9,569,30098,648 km²
32🇮🇱 Israel9,272,22822,070 km²
33🇱🇦 Laos7,736,681236,800 km²
34🇰🇬 Kyrgyzstan6,807,948199,950 km²
35🇹🇲 Turkmenistan6,573,631488,100 km²
36🇸🇬 Singapore6,119,203728 km²
37🇵🇸 Palestine5,494,9636,025 km²
38🇱🇧 Lebanon5,257,50110,450 km²
39🇴🇲 Oman4,692,824309,500 km²
40🇰🇼 Kuwait4,337,70317,820 km²
41🇬🇪 Georgia3,720,47769,700 km²
42🇲🇳 Mongolia3,480,0401,564,116 km²
43🇦🇲 Armenia2,777,97929,743 km²
44🇶🇦 Qatar2,730,86411,490 km²
45🇧🇭 Bahrain1,494,745790 km²
46🇹🇱 Timor-Leste1,374,02514,870 km²
47🇨🇾 Cyprus1,260,1389,250 km²
48🇧🇹 Bhutan790,91838,390 km²
49🇲🇻 Maldives518,765300 km²
50🇧🇳 Brunei454,8695,770 km²

Note: Russia and Georgia are typically regarded as European countries for cultural reasons, despite their geographic locations. They have been included in the dataset for context only.

Other countries that are covered by red: Indonesia (ranked 4th in population), Japan (ranked 7th), and the Philippines (8th), are all some of Asia’s most populous countries.

They also have some of the world’s densest cities:

  • Manila: 42,857 people/km²
  • Mumbai: 28,195 people/km²
  • Karachi: 24,000 people/km²
  • Jakarta: 14,464 people/km²

Tokyo and Beijing—despite being some of the world’s largest cities by population—record lower densities in comparison, helped by their much larger administrative areas.

But when sorted by average population density across the entire country, the ranks look a little bit different.

Ranked: Asia’s Countries By Population Density

The city state of Singapore is the densest country in Asia, with more than 8,000 people/km². Far behind it, the similarly sized in area Bahrain has one-sixth the population and ranks second (1,892/km²) in Asia’s densest countries.

RankCountryPopulation Density
1🇸🇬 Singapore8,405 people/km2
2🇧🇭 Bahrain1,892 people/km2
3🇲🇻 Maldives1,729 people/km2
4🇧🇩 Bangladesh1,180 people/km2
5🇵🇸 Palestine912 people/km2
6🇹🇼 Taiwan661 people/km2
7🇰🇷 South Korea515 people/km2
8🇱🇧 Lebanon503 people/km2
9🇮🇳 India437 people/km2
10🇮🇱 Israel420 people/km2
11🇵🇭 Philippines397 people/km2
12🇱🇰 Sri Lanka334 people/km2
13🇯🇵 Japan325 people/km2
14🇵🇰 Pakistan306 people/km2
15🇻🇳 Vietnam300 people/km2
16🇰🇼 Kuwait243 people/km2
17🇶🇦 Qatar238 people/km2
18🇰🇵 North Korea218 people/km2
19🇳🇵 Nepal212 people/km2
20🇨🇳 China149 people/km2
21🇮🇩 Indonesia146 people/km2
22🇹🇭 Thailand140 people/km2
23🇨🇾 Cyprus136 people/km2
24🇸🇾 Syria130 people/km2
25🇯🇴 Jordan127 people/km2
26🇦🇿 Azerbaijan120 people/km2
27🇹🇷 Turkey110 people/km2
28🇮🇶 Iraq106 people/km2
29🇲🇾 Malaysia105 people/km2
30🇦🇪 UAE97 people/km2
31🇦🇲 Armenia94 people/km2
32🇰🇭 Cambodia94 people/km2
33🇹🇱 Timor-Leste92 people/km2
34🇲🇲 Myanmar81 people/km2
35🇧🇳 Brunei79 people/km2
36🇺🇿 Uzbekistan79 people/km2
37🇹🇯 Tajikistan73 people/km2
38🇦🇫 Afghanistan66 people/km2
39🇾🇪 Yemen63 people/km2
40🇬🇪 Georgia54 people/km2
41🇮🇷 Iran51 people/km2
42🇰🇬 Kyrgyzstan34 people/km2
43🇱🇦 Laos33 people/km2
44🇧🇹 Bhutan21 people/km2
45🇸🇦 Saudi Arabia17 people/km2
46🇴🇲 Oman15 people/km2
47🇹🇲 Turkmenistan13 people/km2
48🇷🇺 Russia8 people/km2
49🇰🇿 Kazakhstan7 people/km2
50🇲🇳 Mongolia2 people/km2

Note: Russia and Georgia are typically regarded as European countries for cultural reasons, despite their geographic locations. They have been included in the dataset for context only.

Bangladesh, with 1,180 people/km², has the rare distinction of being a top five Asian country by both population and average population density.

Meanwhile, India is 9th in population density (437 people/km²), its large landmass bringing down the average considerably.

Similarly, China nearly breaks into the top 20 with a population density of 149 people/km². Despite its vast population, the country’s immense size presents a challenge, particularly in its western regions, which are largely inhospitable to substantial human settlement due to the presence of mountains, the Tibetan plateau, and two deserts.

At the bottom of the rankings, Mongolia (2 people/km²) and Kazakhstan (7 people/km²) are some of the least dense countries in the world.

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