The World Population Pyramid (1950-2100)
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Demographics

The World Population Pyramid (1950-2100)

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Visualizing the World's Population Pyramid (1950-2100)

The world is in the midst of a notable period of demographic transition.

Back in the 1960s, global population growth peaked at a 2.1% annual rate, but since then it has been on a historic downtrend.

In fact, according to the most commonly cited United Nations projection, which is based on a medium fertility rate scenario, it’s expected that annual population growth could drop all the way to 0.1% by the end of the 21st century.

Visualizing a Demographic Transition

Today’s powerful charts come from Our World in Data by economist Max Roser, and they show how global demographics will shift over the next 80 years.

Below you can see one major catalyst of this change, which is the peaking (and then falling) population growth rate:

Growth in world population from 1950 to 2100

Why has population growth been dropping since the 1960s?

A variety of explanations factor into this, including:

  • Falling fertility rates:
    Birth rates tend to fall as nations get richer. First, this happened in the developed world, but as the century progresses this phenomenon will impact more and more developing nations.
  • Government policy:
    China’s “One Child Policy” in particular had an effect on global population growth, and the aftermath of the policy is still contributing to a shrinking Chinese population over the long term.
  • Rural flight
    Urban dwellers tend to have fewer babies—and by 2050, there will be an additional 2.5 billion people living in cities globally.

Fewer births combined with improving healthcare—especially in developing nations—will dramatically alter the composition of the world population pyramid, creating both economic opportunities and challenges in the process.

The Changing World Population Pyramid

The following graphic charts how these changes affect the makeup of the world’s population.

World Population Pyramid transition

Over time, the shape of the world population pyramid is expected to shift from Stage 1 (high birth rates, high death rates) to something closer to Stage 4 (low birth rates, low death rates).

As the population distribution skews older, here is how population size and global median age will change:

YearGlobal Population SizeMedian Age
19502.6 billion23.6 years
20187.6 billion30.0 years
2050p9.7 billion36.1 years
2075p10.7 billion39.0 years
2100p11.2 billion41.6 years

Global median age is projected to surpass 40 years by the end of the century, and it will be considerably higher in many Western nations, especially in Japan and Europe.

With the future demographic composition looking very different than today, it will be fascinating to see how the economy responds to these potential tailwinds. Further, it will be even more interesting to see what role automation will play as the old-age dependency ratio hits historic highs.

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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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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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