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Mapped: The World’s Fastest Growing Cities

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Mapped: The World's Fastest Growing Cities

Mapped: The World’s Fastest Growing Cities

The single most important demographic trend over the last century has been the rapid urbanization of the world. Just as recently as 1950, less than 30% of the total population lived in cities.

By the year 2030? It is expected that 60% of the world will be urbanized.

Highly developed countries already heavily rely on cities. People living in the United States (81%), Canada (82%), Australia (89%), or Germany (75%) mainly reside in urban areas, and there’s good reason for it. Take a look at this 3d map showing GDP contribution by city in the United States and you will notice that places like New York or Los Angeles have massive contributions to economic production. In fact, an impressive 52% of total economic output in the U.S. comes from the top 20 urban areas in the country.

This is true throughout the rest of the world as well. According to McKinsey, the world’s 600 largest cities generate 60% of all economic output. It is this great economic opportunity that is driving people from their farms to the newest urban centers. Specifically, it is in Africa and Asia that the world’s fastest growing cities can be found.

Countries such as China and India are at the forefront of this rapid development. New citizens are joining Delhi at a rate of 79 people per hour, while Shanghai continues to welcome 51 new citizens an hour. Africa will look very different than it has in the past as well. The World Economic Forum pointed out that in 1960 that Johannesburg was the only city in sub-Saharan Africa to have more than 1 million people. Fifty years later, there are 33 cities with more than 1 million in the region.

Change in urban population from 1950 to 2025

The world’s fastest growing megacity? It’s Lagos, Nigeria and Fortune calls it the “Big Apple of Africa”. In the 1970s it had a measly 2 million people, but today it boasts 16 million people with a growth rate of 85 new Lagosians per hour.

Original graphic by: The Guardian

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Animation: The Biggest Economies in 2030

By 2030, the complexion of the global economy could look very different. This animation shows how the world’s biggest economies will change over time.

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By 2030, the complexion of the global economy could look very different than it does today.

According to recent projections from Standard Chartered, a multinational bank headquartered in London, the next decade will see emerging markets like India and Turkey ascending the global economic ladder to become tomorrow’s powerhouses.

Visualizing the Boom in Emerging Markets

Today’s animation is based on a previous chart of the week we created that shows how economic growth is expected to unfold in the coming years.

View the projected change in rankings for the biggest economies from 2017 to 2030 below:

If the projections used in the above video prove to be accurate, the largest economy in 2030 will be China with $64.2 trillion in GDP after adjusting for purchasing power parity (PPP).

That’s nearly $20 trillion more than India, which will be the second largest by that time.

From Good to Great

While the sheer size of the Chinese economy is certainly an exclamation point, perhaps the more interesting story here is the ascent of developing markets in general.

By 2030, it’s projected that seven of the world’s 10 biggest economies will fall into that category:

RankCountryProj. GDP (2030, PPP)GDP (2017, PPP)% change
#1China$64.2 trillion$23.2 trillion+177%
#2India$46.3 trillion$9.5 trillion+387%
#3United States$31.0 trillion$19.4 trillion+60%
#4Indonesia$10.1 trillion$3.2 trillion+216%
#5Turkey$9.1 trillion$2.2 trillion+314%
#6Brazil$8.6 trillion$3.2 trillion+169%
#7Egypt$8.2 trillion$1.2 trillion+583%
#8Russia$7.9 trillion$4.0 trillion+98%
#9Japan$7.2 trillion$5.4 trillion+33%
#10Germany$6.9 trillion$4.2 trillion+64%

Over this timeframe, countries like Egypt, China, India, Indonesia, Turkey, and Brazil will all see their economies expand with triple-digit growth in PPP terms.

In particular, India’s economy will be buoyed by rapid population growth in its cities, which are some of the fastest-growing urban areas on the planet. At the same time, Egypt’s economy is expected to grow from $1.2 trillion to $8.2 trillion according to the bank – although we would add that this seems quite optimistic.

Finally, developed economies like the United States, Germany, and Japan will keep growing – but just not at the blistering pace of developing countries. If these projections turn out, the Japanese and German economies will round out the list with the #9 and #10 spots, respectively.

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Visualizing the World’s Top Plastic Emitting Rivers

Every year, 8 million metric tons of plastic enters the world’s oceans – much of it through our river systems. See which rivers are polluting the most.

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Visualizing the World’s Top Plastic Emitting Rivers

Every year, approximately eight million metric tons of plastic enters the world’s oceans – the equivalent of one garbage truck of plastic every single minute.

Every plastic fork and bottle cap bobbing along the surface of the ocean has made its way to the ocean from dry land at some point. As it turns out, the hydrological cycle that keeps water circulating around the planet is also an effective means for trash to hitch a ride from our riverside cities to the open ocean.

As today’s unique, vintage-themed map – via John Nelson at ESRI – visualizes the shocking amount of plastic emitted by major rivers in the world.

Plastic Superhighways

It would be hard to overstate plastic’s influence on modern life.

Unfortunately, when plastic is finished doing it’s job, only 10% of it ends up being recycled. Instead, much of the 300 million tonnes of plastic produced each year ends up in the ocean, congregating in places like the Pacific Garbage Patch.

Plastic discharge is especially pronounced in large population centers along large rivers – particularly in rapidly urbanizing regions in China, Indonesia, and Nigeria.

River plastic emissions to the world’s oceans

Waste management practices are limited to non-existent in many of Asia’s fast-growing urban areas, so it comes as little surprise that 14 to the top 20 plastic emitting rivers are located on that continent.

The mighty Yangtze – China’s largest river – supports a population of over 400 million people and is the most prolific emitter of plastic waste on the planet. Over 1.5 million metric tons of plastic is unleashed into the Yellow Sea from the river each year.

Stemming the Tide

Plastic emissions data makes one point clear – China is the key to decreasing the volume of trash entering our ocean ecosystems.

The good news is that the Chinese government has recognized the problem, mandating garbage sorting in nearly 50 cities and setting a target for at 35% recycling rate by 2020. A positive first step in the battle to stem the tide of plastic entering ocean systems.

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