Ranked: The 20 Most Populous Cities in the World
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Ranked: The Most Populous Cities in the World

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Ranked: The Most Populous Cities in the World

More than half of the world’s population currently lives in cities—and as time goes on, it’s clear that more urban dwellers will find themselves living in megacities.

Megacities are defined as urban areas with a population of more than 10 million people. This means that the world’s top 20 most populous cities are all megacities.

This visualization, using data from Macrotrends, shows the 20 most populous cities in the world.

Rapid Urbanization

Today, more than 80% of people in higher income countries find themselves living in urban areas, and in upper-middle income countries the number lies between 50-80%.

Rural-to-urban migration is an increasingly relevant trend in the 21st century. Prospects of better job opportunities and higher wages, along with shifts from agrarian to industrial and service-based economies, are causing mass movement to cities.

How much have the world’s five most populous cities grown in just the last decade?

RankCity 2010 Population 2020 Population Percentage Change
#1🇯🇵 Tokyo36,834,00037,393,000+1.5%
#2🇮🇳 Delhi21,935,00030,291,000+38.1%
#3🇨🇳 Shanghai19,980,00027,058,000+35.4%
#4🇧🇷 São Paulo19,660,00022,043,000+12.1%
#5🇲🇽 Mexico City 20,132,00021,782,000+8.2%

While Tokyo only gained 559,000 people between 2010 and 2020, Delhi gained over 8 million people in the same time frame.

Shanghai grew by over 7 million people. Meanwhile, São Paulo grew by more than 2 million, and Mexico City gained just over 1.6 million people.

Interestingly, Mexico City placed third on the top largest cities list in 2010, but has since experienced slower growth compared to its competitors, Shanghai and São Paulo.

The Most Populous Cities Today

While Tokyo is the world’s most populous city with 37,393,000 people, this number is leveling out due to declining birth rates and an aging population.

Indian and Chinese cities, on the other hand, will continue to grow rapidly in the coming years. In fact, it’s expected that Delhi’s population could surpass Tokyo’s by 2028.

Here’s a closer look at the top 20 most populous cities.

RankCityPopulation
1🇯🇵 Tokyo37,393,000
2🇮🇳 Delhi30,291,000
3🇨🇳 Shanghai27,058,000
4🇧🇷 São Paulo22,043,000
5🇲🇽 Mexico City21,782,000
6🇧🇩 Dhaka21,006,000
7🇪🇬 Cairo20,901,000
8🇨🇳 Beijing20,463,000
9🇮🇳 Mumbai20,411,000
10🇯🇵 Osaka19,165,000
11🇺🇸 New York City18,804,000
12🇵🇰 Karachi16,094,000
13🇨🇳 Chongqing15,872,000
14🇹🇷 Istanbul15,190,000
15🇦🇷 Buenos Aires15,154,000
16🇮🇳 Kolkata14,850,000
17🇳🇬 Lagos14,368,000
18🇨🇩 Kinshasa14,342,000
19🇵🇭 Manila13,923,000
20🇨🇳 Tianjin13,580,000

By 2035, two new cities are expected to crack the top 20 list. Specifically, it’s projected that Bangalore (India) and Lahore (Pakistan) will boot out Tianjin and Buenos Aires. In addition, Guangzhou, Shenzhen, and Chennai are all expected to meet the megacity definition by 2035.

Urban growth will continue mainly in Asia and Africa, as some cities in regions such as Europe actually begin to shrink in population due to aging citizens and declining birth rates. Since 2012, deaths in the EU have actually been outpacing births—and in 2019, there were 4.7 million deaths compared to 4.2 million births, though net migration kept population numbers from falling.

Life in the City

While there are certainly downsides to mass urbanization, like pollution and overcrowding, the upsides clearly outweigh the negatives for most people. Convenience, better jobs, easier access to social services, and higher wages are among the many reasons people are likely to continue to move to cities, even in the post-COVID era.

With the emergence of smart and green cities, the quality of life for many urban dwellers will likely continue to improve, and more large urban areas will morph into megacities.

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Demographics

The Richest Women in America in One Graphic

Only 12% of billionaires in the U.S. are women. Who is part of this prestigious group of the richest women in America?

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The Richest Women in America in One Graphic

The majority of the world’s billionaires hail from the United States.

But of the 724 American billionaires whose net worths are tracked daily by Forbes, only 86 are women. That’s just 12% of the country’s billionaires.

This visualization examines the select few who have made the cut into this prestigious list, using data compiled from Forbes’ real-time billionaires list.

Note: All data is as of November 1, 2021 unless otherwise stated.

Top 10 Richest Women in America

Since 2020, MacKenzie Scott has donated over $8.5 billion and counting of her wealth. Yet, she still remains one of the richest women in the world. This is largely due to the Amazon shares that she received in her divorce settlement.

Amazon’s stock performance soared amid the pandemic, which resulted in the initial value of her shares ($38.3 billion) nearly doubling.

Top 10 overallNameNet WorthAgeSource of wealth
#1Alice Walton$68.1 B72Walmart
#2MacKenzie Scott$56.1 B51Amazon
#3Julia Koch & family$52.2 B59Koch Industries
#4Jacqueline Mars$31.5 B82Candy, pet food
#5Miriam Adelson$29.2 B76Casinos
#6Abigail Johnson$26.2 B59Money management
#7Laurene Powell Jobs & family$16.7 B57Apple, Disney
#8Diane Hendricks$11.7 B74Roofing
#9Ann Walton Kroenke$9.3 B72Walmart
#10Blair Parry-Okeden$8.8 B71Media, automotive

Miriam Adelson inherited her late husband’s 57% stake (worth ~$19 billion) in Las Vegas Sands, making her one of the richest newcomers to the Forbes list. The casinos have locations across Las Vegas, Singapore, and Macao.

Several of the women in this top 10 list also share membership with some of the richest families in America—from the Walmart Waltons, to the Johnsons at the helm of Fidelity Investments and Fidelity International.

The Oldest Richest Women in America

The oldest female billionaire in the world, Alice Schwartz, is 95 years old. She co-founded Bio-Rad Laboratories with her husband, which operates in the life sciences research and clinical diagnostics markets. They started the company in 1952 with only $720 in the bank.

OldestNameNet WorthAgeSource of wealth
#1Alice Schwartz$3.0 B95Biotech
#2Wilma Tisch$1.4 B94Diversified
#3Doris Fisher$2.8 B90Gap
#4Johnelle Hunt$4.7 B89Trucking
#5Marian Ilitch$4.4 B88Little Caesars
#6Pauline MacMillan Keinath$8.5 B87Cargill
#7Margot Birmingham Perot$4.2 B87Computer services, real estate
#8Martha Ingram & family$3.9 B86Book distribution, transportation
#9Janice McNair$4.2 B85Energy, sports
#10Norma Lerner$1.1 B85Banking

After her husband’s passing in 2018, Janice McNair (aged 85) took over his 80% stake in the NFL team Houston Texans, which ranks highly as one of the world’s most valuable sports teams. This also subsequently catapulted her position as being among the wealthiest sports owners in the country.

The Youngest Richest Women in America

In the online dating era, Whitney Wolfe Herd has made a name for herself. The female-first dating app she co-founded, Bumble, grew into a formidable competitor for her former employer, Match Group (which owns Tinder and OkCupid, among others).

At age 31, Wolfe Herd became the youngest self-made female CEO in the country after Bumble’s $2.2 billion IPO in February 2021.

YoungestNameNet WorthAgeSource of wealth
#1Whitney Wolfe Herd$1.2 B32Dating app
#2Rihanna$1.7 B33Cosmetics, music
#3Neha Narkhede$1.4 B37Software
#4Lynsi Snyder$4.2 B39In-N-Out Burger
#5Kim Kardashian West$1.2 B41Cosmetics, reality TV
#6Jane Lauder$6.7 B48Estée Lauder
#7Amy Wyss$2.0 B50Medical equipment
#8Sara Blakely$1.2 B50Spanx
#9MacKenzie Scott$56.1 B51Amazon
#10Aerin Lauder$4.2 B51Cosmetics

Wearing many hats from influencer to entrepreneur, socialite Kim Kardashian West’s cosmetics and fashion companies (KKW Beauty and shapewear line Skims) have catapulted her to a newfound billionaire status. She has a set of diverse revenue streams, from reality TV royalties to blue-chip and real estate investments.

Top 20 Self-Made Richest Women in America

The self-made label is an additional fascinating avenue to explore. Forbes defines this category as people who establish a fortune independently, rather than partly or wholly through inheritance.

One of the newest entrants into this mix is Rihanna. She already enjoyed significant success as an entertainer, with her claim to fame being one of the best-selling artists of the 2010s. However, it was her entrepreneurial spirit that put her on the Forbes list in August 2021. Rihanna owns 50% of her cosmetics company, Fenty Beauty. The other half is run by Bernard Arnault, who is among the world’s top billionaires.

Here is the rest of the top 20 self-made richest women in America:

Self-MadeNameNet WorthAgeSource of wealth
#1Diane Hendricks$11.7 B74Roofing
#2Judy Faulkner$6.5 B77Health IT
#3Meg Whitman$6.3 B65eBay
#4Judy Love$5.2 B84Retail and gas stations
#5Marian Ilitch$4.4 B88Little Caesars
#6Johnelle Hunt$4.1 B89Trucking
#7Thai Lee$4.1 B62IT Provider
#8Lynda Resnick$4.0 B78Agriculture
#9Gail Miller$3.2 B77Car dealerships
#10Doris Fisher$2.8 B90Gap
#11Alice Schwartz$3.0 B95Biotech
#12Oprah Winfrey$2.7 B67Media
#13Elaine Wynn$2.2 B79Casinos, hotels
#14Peggy Cherng$2.0 B73Fast food (Panda Express)
#15Sheryl Sandberg$1.9 B51Facebook
#16Rihanna$1.7 B33Cosmetics, music
#17Jayshree Ullal$1.7 B60Computer networking
#18Safra Catz$1.6 B59Software
#19Jenny Just$1.5 B53Fintech
#20Eren Ozmen$1.4 B62Aerospace

Source: Forbes, as of Aug 2021 (latest available)

For those paying attention to the rapid rise of the fintech industry, Jenny Just’s entry on this list will come as no surprise. Her firm, Apex Fintech Solutions powers the trading technology behind companies like SoFi and eToro. In fact, she has started or bought 15 businesses in the space in just 24 years.

As the richest women in America continue to make great strides, this list could look very different in coming years.

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Misc

Mapped: Second Primary Languages Around the World

This fascinating map highlights the second most commonly spoken primary language in almost nearly every country.

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Second Languages Around the World Shareable

Mapped: Second Primary Languages Around the World

After the primary language, what second languages are used as native tongues in your country?

The answer reveals a lot about history and location. Whether through immigration, colonization, or local culture, a primary language can either spread around the world or remain rooted in place.

This map from MoveHub shows the second most commonly spoken primary language in most countries, using data from the CIA World Factbook and Wikipedia as of February 2021.

The Difference Between Primary and Secondary Languages

First, it’s important to differentiate between primary languages and secondary languages.

A primary language—also known as a first or native language—is the language we use most frequently to communicate. These are languages we are usually born with, have a lot of exposure to, and use at home.

On the other hand, a secondary language is one we learn or pick up after our primary language. In many countries, English is the most commonly learned, with close to 1 billion speakers.

But a map of common second languages can simply show just how many countries prioritize learning English, the de-facto international language in many organizations. Instead, this map highlights the movement of people by showing the second-most common primary language.

The Second Most Common Primary Languages by Country

Even when filtering by primary language use, however, English and other Indo-European languages dominate the world.

With 55 countries speaking it as the second-most common primary language, English came out on top.

Top 10 Most Popular Second Primary LanguagesNumber of Countries
English55
French14
Russian13
Spanish8
Creole8
Arabic6
Kurdish4
Portugese4
Italian3
Quechua3

The use of English as a second primary language was primarily concentrated in Western Europe, Northern Africa, and Southeast Asia and Oceania.

Similarly to second-place French with 14 countries and third-place Russian with 13 countries, English was most common in proximity to English-speaking countries or where there was a history of immigration.

Other second-most common primary languages highlighted different cultures within countries, such as China’s second-most common language Cantonese. Alternatively, they showed the primary indigenous language before colonization, such as the Quechua languages in South America.

What other interesting or surprising language patterns can you spot in the map above?

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