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Animated Map: The 20 Most Populous Cities in the World by 2100



Animated Map: The 20 Most Populous Cities in the World by 2100

Animated Map: The Most Populous Cities in the World

In Africa Alone, 13 Cities Will Pass NYC in Size

The Chart of the Week is a weekly Visual Capitalist feature on Fridays.

If you look at a modern map of the world’s most populous cities, you’ll notice that they are quite evenly distributed around the globe.

Metropolises like Moscow, New York, Tokyo, Cairo, or Rio de Janeiro are spread apart with very different geographic and cultural settings, and practically every continent today can claim at least one of the world’s 20 most populous cities.

In the future, things will be very different, according to projections from the Global Cities Institute. In fact, over the next 80 years or so, some cities will literally 10x or 20x in size – turning into giant megacities that have comparable populations to entire countries like modern-day Germany, France, or the United Kingdom.

The most interesting part? None of these cities will be in the Americas, Europe, China, or Australia.

The Top Four Megacities of the Future

According to predictions from the Global Cities Institute, these will be the biggest cities in the world in 2100:


Lagos is already one of the biggest metropolises in Africa, and we previously noted that it was one of the fastest growing cities in the world.

In fact, it’s growing so fast, that no one knows how big it actually is. The U.N estimated it had 11.2 million people in 2011, and the year after The New York Times said it had at least 21 million inhabitants. In any case, this Nigerian metropolis is growing like a weed, and the Global Cities Institute estimates that the city’s population will hit the 88.3 million mark by 2100 to make it the biggest city in the world.

The city is already a center of West African trade and finance – but Lagos has ambitious plans to up the ante even further. Right now, the city is building Eko Atlantic, a massive new residential and commercial development that is being pitched as the “Manhattan of Nigeria”. It’s just off of Victoria Island, and it is being built on reclaimed land with special measures in place to prevent flooding from global warming.


When people think of the DRC, sprawling metropolises generally aren’t the first things that come to mind.

But Kinshasa, once the site of humble fishing villages, has already likely passed Paris as the largest French-speaking city in the world. And it’s getting bigger – by 2100, it’s projected to be the world’s second largest city overall.

How Kinshasa develops will certainly be interesting. As it stands, approximately 60% of the 17 million people living there by 2025 will be younger than 18 years old. How the city deals with education will be paramount to the city’s future progression.

Dar Es Salaam

Have you heard of Dar Es Salaam, the Tanzanian megacity that will hold 73.7 million inhabitants in 2100?

It’s not on a lot of people’s radars, but its population will explode 1,588% to become the third largest city in Africa, and in the world.

Interestingly, East Africa will be home to many of the world’s biggest cities in the future – and many will be seemingly popping up out of nowhere. Consider Blantyre City, Lilongwe, and Lusaka, for example. Most Westerners will not likely have heard of these places, but these centers in Malawi and Zambia will each hold over 35 million people.


Finally, the last city to round out the top four is Mumbai, which is already one of the world’s biggest megacities with over 20 million people.

As the entertainment capital of India, it will be interesting to see how Mumbai evolves – and how it ends up comparing to other Indian megacities like Delhi and Kolkata, which each will hold over 50 million residents themselves.

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Visualizing $97 Trillion of Global Debt in 2023

Global debt has soared since the pandemic. Which countries have the biggest stockpile of debt outstanding in 2023?



Visualizing $97 Trillion of Global Debt in 2023

Global debt is projected to hit $97.1 trillion this year, a 40% increase since 2019.

During the COVID-19 pandemic, governments introduced sweeping financial measures to support the job market and prevent a wave of bankruptcies. However, this has exposed vulnerabilities as higher interest rates are amplifying borrowing costs.

This graphic shows global debt by country in 2023, based on projections from the International Monetary Fund (IMF).

Debt by Country in 2023

Below, we rank countries by their general government gross debt, or the financial liabilities owed by each country:

CountryGross Debt (B)% of World TotalDebt to GDP
🇺🇸 U.S.$33,228.934.2%123.3%
🇨🇳 China$14,691.715.1%83.0%
🇯🇵 Japan$10,797.211.1%255.2%
🇬🇧 UK$3,468.73.6%104.1%
🇫🇷 France$3,353.93.5%110.0%
🇮🇹 Italy$3,141.43.2%143.7%
🇮🇳 India$3,056.73.1%81.9%
🇩🇪 Germany$2,919.33.0%65.9%
🇨🇦 Canada$2,253.32.3%106.4%
🇧🇷 Brazil$1,873.71.9%88.1%
🇪🇸 Spain$1,697.51.7%107.3%
🇲🇽 Mexico$954.61.0%52.7%
🇰🇷 South Korea$928.11.0%54.3%
🇦🇺 Australia$875.90.9%51.9%
🇸🇬 Singapore$835.00.9%167.9%
🇧🇪 Belgium$665.20.7%106.0%
🇦🇷 Argentina$556.50.6%89.5%
🇮🇩 Indonesia$552.80.6%39.0%
🇳🇱 Netherlands$540.90.6%49.5%
🇵🇱 Poland$419.40.4%49.8%
🇬🇷 Greece$407.20.4%168.0%
🇹🇷 Türkiye$397.20.4%34.4%
🇷🇺 Russia$394.80.4%21.2%
🇦🇹 Austria$393.60.4%74.8%
🇪🇬 Egypt$369.30.4%92.7%
🇨🇭 Switzerland$357.70.4%39.5%
🇹🇭 Thailand$314.50.3%61.4%
🇮🇱 Israel$303.60.3%58.2%
🇵🇹 Portugal$299.40.3%108.3%
🇲🇾 Malaysia$288.30.3%66.9%
🇿🇦 South Africa$280.70.3%73.7%
🇵🇰 Pakistan$260.90.3%76.6%
🇸🇦 Saudi Arabia$257.70.3%24.1%
🇮🇪 Ireland$251.70.3%42.7%
🇵🇭 Philippines$250.90.3%57.6%
🇫🇮 Finland$225.00.2%73.6%
🇳🇴 Norway$204.50.2%37.4%
🇨🇴 Colombia$200.10.2%55.0%
🇹🇼 Taiwan$200.00.2%26.6%
🇸🇪 Sweden$192.90.2%32.3%
🇷🇴 Romania$178.70.2%51.0%
🇧🇩 Bangladesh$175.90.2%39.4%
🇺🇦 Ukraine$152.80.2%88.1%
🇨🇿 Czech Republic$152.20.2%45.4%
🇳🇬 Nigeria$151.30.2%38.8%
🇦🇪 UAE$149.70.2%29.4%
🇻🇳 Vietnam$147.30.2%34.0%
🇭🇺 Hungary$140.00.1%68.7%
🇨🇱 Chile$132.20.1%38.4%
🇩🇰 Denmark$126.70.1%30.1%
🇮🇶 Iraq$125.50.1%49.2%
🇩🇿 Algeria$123.50.1%55.1%
🇳🇿 New Zealand$115.00.1%46.1%
🇮🇷 Iran$112.10.1%30.6%
🇲🇦 Morocco$102.70.1%69.7%
🇶🇦 Qatar$97.50.1%41.4%
🇵🇪 Peru$89.70.1%33.9%
🇦🇴 Angola$79.60.1%84.9%
🇰🇪 Kenya$79.10.1%70.2%
🇸🇰 Slovakia$75.40.1%56.7%
🇩🇴 Dominican Republic$72.10.1%59.8%
🇪🇨 Ecuador$65.90.1%55.5%
🇸🇩 Sudan$65.50.1%256.0%
🇬🇭 Ghana$65.10.1%84.9%
🇰🇿 Kazakhstan$60.70.1%23.4%
🇪🇹 Ethiopia$59.00.1%37.9%
🇧🇭 Bahrain$54.50.1%121.2%
🇨🇷 Costa Rica$53.90.1%63.0%
🇭🇷 Croatia$51.20.1%63.8%
🇺🇾 Uruguay$47.00.0%61.6%
🇯🇴 Jordan$46.90.0%93.8%
🇸🇮 Slovenia$46.80.0%68.5%
🇨🇮 Côte d'Ivoire$45.10.0%56.8%
🇵🇦 Panama$43.50.0%52.8%
🇲🇲 Myanmar$43.00.0%57.5%
🇴🇲 Oman$41.40.0%38.2%
🇹🇳 Tunisia$39.90.0%77.8%
🇷🇸 Serbia$38.50.0%51.3%
🇧🇴 Bolivia$37.80.0%80.8%
🇹🇿 Tanzania$35.80.0%42.6%
🇺🇿 Uzbekistan$31.70.0%35.1%
🇿🇼 Zimbabwe$30.90.0%95.4%
🇧🇾 Belarus$30.40.0%44.1%
🇬🇹 Guatemala$29.10.0%28.3%
🇱🇹 Lithuania$28.70.0%36.1%
🇸🇻 El Salvador$25.80.0%73.0%
🇺🇬 Uganda$25.30.0%48.3%
🇸🇳 Senegal$25.20.0%81.0%
🇨🇾 Cyprus$25.20.0%78.6%
🇱🇺 Luxembourg$24.60.0%27.6%
🇭🇰 Hong Kong SAR$23.50.0%6.1%
🇧🇬 Bulgaria$21.70.0%21.0%
🇨🇲 Cameroon$20.60.0%41.9%
🇲🇿 Mozambique$19.70.0%89.7%
🇵🇷 Puerto Rico$19.60.0%16.7%
🇳🇵 Nepal$19.30.0%46.7%
🇱🇻 Latvia$18.90.0%40.6%
🇮🇸 Iceland$18.70.0%61.2%
🇵🇾 Paraguay$18.10.0%40.9%
🇱🇦 Lao P.D.R.$17.30.0%121.7%
🇭🇳 Honduras$15.70.0%46.3%
🇵🇬 Papua New Guinea$15.70.0%49.5%
🇹🇹 Trinidad and Tobago$14.60.0%52.5%
🇦🇱 Albania$14.50.0%62.9%
🇨🇬 Republic of Congo$14.10.0%97.8%
🇦🇿 Azerbaijan$14.10.0%18.2%
🇾🇪 Yemen$14.00.0%66.4%
🇯🇲 Jamaica$13.60.0%72.3%
🇲🇳 Mongolia$13.10.0%69.9%
🇧🇫 Burkina Faso$12.70.0%61.2%
🇬🇦 Gabon$12.50.0%64.9%
🇬🇪 Georgia$11.90.0%39.6%
🇲🇺 Mauritius$11.80.0%79.7%
🇦🇲 Armenia$11.80.0%47.9%
🇧🇸 Bahamas$11.70.0%84.2%
🇲🇱 Mali$11.00.0%51.8%
🇲🇹 Malta$11.00.0%54.1%
🇰🇭 Cambodia$10.90.0%35.3%
🇧🇯 Benin$10.60.0%53.0%
🇲🇼 Malawi$10.40.0%78.6%
🇪🇪 Estonia$9.00.0%21.6%
🇨🇩 Democratic Republic of Congo$9.00.0%13.3%
🇷🇼 Rwanda$8.80.0%63.3%
🇳🇦 Namibia$8.50.0%67.6%
🇲🇬 Madagascar$8.50.0%54.0%
🇳🇪 Niger$8.30.0%48.7%
🇲🇰 North Macedonia$8.20.0%51.6%
🇧🇦 Bosnia and Herzegovina$7.70.0%28.6%
🇲🇻 Maldives$7.70.0%110.3%
🇬🇳 Guinea$7.30.0%31.6%
🇳🇮 Nicaragua$7.20.0%41.5%
🇧🇧 Barbados$7.20.0%115.0%
🇹🇬 Togo$6.10.0%67.2%
🇰🇬 Kyrgyz Republic$6.00.0%47.0%
🇲🇩 Moldova$5.60.0%35.1%
🇹🇩 Chad$5.40.0%43.2%
🇰🇼 Kuwait$5.40.0%3.4%
🇲🇷 Mauritania$5.10.0%49.5%
🇭🇹 Haiti$5.10.0%19.6%
🇬🇾 Guyana$4.90.0%29.9%
🇲🇪 Montenegro$4.60.0%65.8%
🇫🇯 Fiji$4.60.0%83.6%
🇹🇲 Turkmenistan$4.20.0%5.1%
🇹🇯 Tajikistan$4.00.0%33.5%
🇧🇼 Botswana$3.90.0%18.7%
🇬🇶 Equatorial Guinea$3.80.0%38.3%
🇸🇷 Suriname$3.80.0%107.0%
🇸🇸 South Sudan$3.80.0%60.4%
🇧🇹 Bhutan$3.30.0%123.4%
🇦🇼 Aruba$3.20.0%82.9%
🇸🇱 Sierra Leone$3.10.0%88.9%
🇨🇻 Cabo Verde$2.90.0%113.1%
🇧🇮 Burundi$2.30.0%72.7%
🇱🇷 Liberia$2.30.0%52.3%
🇽🇰 Kosovo$2.20.0%21.3%
🇸🇿 Eswatini$2.00.0%42.4%
🇧🇿 Belize$1.90.0%59.3%
🇱🇨 Saint Lucia$1.80.0%74.2%
🇬🇲 Gambia$1.70.0%72.3%
🇩🇯 Djibouti$1.60.0%41.8%
🇦🇬 Antigua and Barbuda$1.60.0%80.5%
🇸🇲 San Marino$1.50.0%74.0%
🇬🇼 Guinea-Bissau$1.50.0%73.9%
🇱🇸 Lesotho$1.50.0%61.3%
🇦🇩 Andorra$1.40.0%37.7%
🇨🇫 Central African Republic$1.40.0%50.1%
🇸🇨 Seychelles$1.30.0%60.8%
🇻🇨 Saint Vincent and the Grenadines$0.90.0%86.2%
🇬🇩 Grenada$0.80.0%60.2%
🇩🇲 Dominica$0.70.0%93.9%
🇰🇳 Saint Kitts and Nevis$0.60.0%53.2%
🇻🇺 Vanuatu$0.50.0%46.8%
🇰🇲 Comoros$0.50.0%33.3%
🇸🇹 São Tomé and Príncipe$0.40.0%58.5%
🇸🇧 Solomon Islands$0.40.0%22.2%
🇧🇳 Brunei Darussalam$0.30.0%2.3%
🇼🇸 Samoa$0.30.0%36.2%
🇹🇱 Timor-Leste$0.30.0%16.4%
🇵🇼 Palau$0.20.0%85.4%
🇹🇴 Tonga$0.20.0%41.1%
🇫🇲 Micronesia$0.10.0%12.5%
🇲🇭 Marshall Islands$0.10.0%18.1%
🇳🇷 Nauru<$0.10.0%29.1%
🇰🇮 Kiribati<$0.10.0%13.1%
🇹🇻 Tuvalu<$0.10.0%8.0%
🇲🇴 Macao SAR<$0.10.0%0.0%
🌐 World$97,129.8100%93.0%

With $33.2 trillion in government debt, the U.S. makes up over a third of the world total.

Given the increasing debt load, the cost of servicing this debt now accounts for 20% of government spending. It is projected to reach $1 trillion by 2028, surpassing the total spent on defense.

The world’s third-biggest economy, Japan, has one of the highest debt to GDP ratios, at 255%. Over the last two decades, its national debt has far exceeded 100% of its GDP, driven by an aging population and social security expenses.

In 2023, Egypt faces steep borrowing costs, with 40% of revenues going towards debt repayments. It has the highest debt on the continent.

Like Egypt, several emerging companies are facing strain. Lebanon has been in default since 2020, and Ghana defaulted on the majority of its external debt—debt owed to foreign lenders—in 2022 amid a deepening economic crisis.

Global Debt: A Regional Perspective

How does debt compare on a regional level in 2023?

RegionGross Debt (B)% of World TotalDebt to GDP
North America$36,451.837.5%117.6%
Asia and Pacific$34,257.435.3%92.5%
South America$3,164.93.3%77.2%
Africa $1,863.61.9%65.2%
Other/Rest of World$1,269.11.3%31.4%

We can see that North America has both the highest debt and debt to GDP compared to other regions. Just as U.S. debt has ballooned, so has Canada’s—ranking as the 10th-highest globally in government debt outstanding.

Across Asia and the Pacific, debt levels hover close to North America.

At 3.3% of the global total, South America has $3.2 trillion in debt. As inflation has trended downwards, a handful of governments have already begun cutting interest rates. Overall, public debt levels are projected to stay elevated across the region.

Debt levels have also risen rapidly in Africa, with an average 40% of public debt held in foreign currencies—leaving it exposed to exchange rate fluctuations. Another challenge is that interest rates are also higher across the region compared to advanced economies, increasing debt-servicing costs.

By 2028, the IMF projects that global public debt will exceed 100% of GDP, hitting levels only seen during the pandemic.

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