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

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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

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.

Kinshasa

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.

Mumbai

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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Ranked: Most Popular U.S. Undergraduate Degrees (2011–2021)

Which degrees have increased in popularity over the last decade? And which disciplines have seen fewer and fewer students?

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Ranked: Most Popular U.S. Undergraduate Degrees (2011–2021)

In an era of soaring tuition fees and mounting student debt, choosing which undergraduate degree to pursue has become a crucial decision for any aspiring college student. And it always helps to see which way the winds are blowing.

This visualization by Kashish Rastogi, based on data from the National Center for Education Statistics (NCES), examines the changing landscape of undergraduate degrees awarded between the 2010–2011 and 2020–2021 academic years.

Undergraduate Degrees Growing in Popularity

The NCES classifies all four-year bachelor degrees into 38 fields of study. Of these fields, 21 saw an increase in graduates in 2020–2021 compared to 2010–2011.

While only those with more than 30,000 graduates have been shown in the graphic (to prevent overrepresentation of large changes in small pools of graduates), the full list is available below.

RankField of Study2010–20112020–2021% Change
1Business363,919390,781+7%
2Health Professions143,463268,018+87%
3Biomedical Sciences89,984131,499+46%
4Psychology100,906126,944+26%
5Engineering76,356126,037+65%
6Computer Sciences43,066104,874+144%
7Communication83,23190,775+9%
8Security & Law
Enforcement
47,60058,009+22%
9Interdisciplinary
Studies
42,47354,584+29%
10Leisure &
Fitness Studies
35,93454,294+51%
11Public Administration26,79934,817+30%
12Physical Sciences24,33828,706+18%
13Mathematics 17,18227,092+58%
14Agriculture Sciences15,85121,418+35%
15Natural Resources
& Conservation
12,77920,507+61%
16Engineering
Technologies
16,18718,562+15%
17Transportation4,9415,993+21%
18Legal4,4294,589+4%
19Military Technologies641,524+2,281%
20Science Technologies367532+45%
21Library Science96119+24%
Note: Field of study names have been edited slightly from their NCES labels for better readability.

Let’s take a look at the areas of study that were most popular, as well as some of the fastest growing fields:

Computer and Information Sciences

Bachelor’s degrees in this discipline have grown by 144% since 2010–2011, with over 100,000 graduates in 2020–2021. The allure of the tech sector’s explosive growth likely contributed to its popularity among students.

Health Professions

Undergraduate degrees in health professions saw an 87% increase, attracting nearly 260,000 graduates in 2020–2021. This field accounted for 13% of the total graduating class, reflecting the growing appeal of the healthcare sector.

Engineering

There were 50,000 more engineering graduates in the U.S. in 2021, up 65% from 2011. With a median income over $100,000 per year, engineering graduates can usually rely on good wages as well as versatility in future careers, capable of finding jobs in tech, design, and communication fields, and of course, becoming future entrepreneurs.

Biomedical Sciences

University graduates in this field, which focuses on the integration of the study of biology with health and medicine, grew by 46%. A subset of this category—epidemiology—has been in the limelight recently thanks to the COVID-19 pandemic.

Business

While this category recorded a modest 7% growth in graduates, its popularity has been indisputable in the last decade, representing the largest proportion of the graduating class in both 2011 and 2021.

Fields with Declining University Graduates (2011‒2021)

Meanwhile, 17 areas of study experienced declines in the number of completed university degrees. We explore some of the notable ones below:

RankField of Study2010–20112020–2021% Change
1Social Sciences142,161137,908-3%
2Visual &
Performing Arts
93,93990,022-4%
3Education104,00889,398-14%
4Liberal Arts46,71741,909-10%
5English52,75435,762-32%
6History35,00822,919-35%
7Human Sciences22,43822,319-1%
8Foreign Languages21,70515,518-29%
9Philosophy
& Religion
12,83011,988-7%
10Architecture9,8319,296-5%
11Ethnic, Cultural
& Gender Studies
8,9557,374-18%
12Theology9,0736,737-26%
13Communications Tech4,8584,557-6%
14Personal &
Culinary Services
1,214594-51%
15Construction Trades328221-33%
16Mechanic & Repair226221-2%
17Precision Production4328-35%
English

Popular in the 1970s, the English undergraduate degree has gone through peaks (80s and 90s) and troughs (2000s and 10s) of popularity in the last 50 years. Between 2010–2011 and 2020–2021, the number of students with an English degree has fallen by a third.

The state of English’s woes are even making its way to pop culture, like in Netflix’s The Chair, which follows the head of a struggling English department at a major university.

Education

The existing teacher shortage in the United States does not seem to be getting fixed by a burgeoning supply of new grads. In fact, the number of university graduates in Education fell 14% between 2011 and 2021. With concerns around stagnant wages, burnout, and little to no support for supplies, many teachers are seeing an already demanding job becoming harder.

Liberal Arts

In the classic era, the liberal arts covered seven fields of study: rhetoric, grammar, logic, astronomy, mathematics, geometry, and music. Now, liberal art degrees include several other subjects: history, political science, and even philosophy—but students are meant to primarily walk away with critical thinking skills.

The modern world rewards specialization however, and a wider-scope liberal arts degree is seeing fewer takers, with a 10% drop in graduating students.

Where Does This Data Come From?

Source: The National Center for Education’s statistics from their Integrated Postsecondary Education Data System surveys. Numbers for both 2010–2011 and 2020–2021 academic years can be found from their summary tables by changing the award level code (bachelor degrees) and the year on the left-hand toolbar.

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