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The Fastest Growing Cities in the World (2000-2016)

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Thanks to drastic increases in crop yields and the falling need for manual farm labor, a mass migration towards cities started in the years following the Industrial Revolution.

This phenomenon first originated in developed economies as people moved to work in factories that produced consumer goods at a scale never before seen. Then in the 1950s, developing economies started to follow suit.

The results have been staggering, and today a country like China has at least 35 massive cities that each have an economic output comparable to entire countries.

Urban vs Rural growth

After many decades of urbanization, the portion of people living in urban areas has surpassed the total rural population. This happened in 2007, and we are now in the first window in human history in which more people are city dwellers.

So what cities are the meccas for urban migration today? And which are falling out of favor?

The Fastest Growing Cities (2000-2016)

The following interactive and zoomable map was put together by Datawrapper, using data from the United Nations.

It lists 500 cities with over 1 million people, and is shaded based on annualized population growth rate between 2000 and 2016. Percent growth corresponds with darker shades of teal, while orange symbolizes negative growth over the timeframe.

It’s strongly recommended to explore the map by zooming in on particular regions. Highlighting cities themselves will give you population details for 2000 and 2016, as well as an annualized percentage growth rate.

Here are some areas we thought were worth looking at in more detail:

North America
North America is mostly what one may expect. The biggest cities (NYC, LA, Chicago, Toronto) aren’t changing too fast, while some cities in the Rust Belt (Detroit, Cleveland, Pittsburgh) have slightly negative growth rates. Austin, TX and Charlotte, NC seem to be the fastest growing cities in the U.S., overall.

South America
Colombia’s Bogotá stands out as the city in South America growing at the most blistering pace. It gained 3.6 million people in the 2000-2016 year period, good for a 2.8% annual growth rate.

China and India
These two populous countries are home to many of the dark-shaded circles on the map. It’s worth looking at an additional screenshot here (just in case if you haven’t zoomed in above).

China and India cities

Look at the coast of China – it’s dotted with rapidly expanding cities. Incredibly, in the 16-year span of data, some of these cities have doubled in terms of population. Others like Xiamen have tripled in size. Shanghai alone has gained 10.5 million people in this span of time.

In India, the fastest growing cities are in the south, where there are at least 10 large cities that have roughly doubled in size. Delhi, which is in the north, has added nearly 11 million inhabitants over the same stretch.

Africa
In Africa, we see the names of many of the cities that are projected to be the world’s largest megacities by 2100.

Lagos in Nigeria has doubled to nearly 14 million people between 2000-2016, and it is expected to explode to 88.3 million people by 2100 to be the world’s most populous city overall. Dar es Salaam (Tanzania) and Kinshasa (DRC) are two other places that are set to grow rapidly by 2100, rounding out the list of the world’s three most populous megacities.

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China

COVID-19 Crash: How China’s Economy May Offer a Glimpse of the Future

China has seen a severe economic impact from COVID-19, and it may be a preview of what’s to come for countries in the early stages of the outbreak.

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COVID-19 economic impact

The Economic Impact of COVID-19

China, once the epicenter of the COVID-19 pandemic, appears to be turning a corner. As the number of reported local transmission cases hovers near zero, daily life is slowly returning to normal. However, economic data from the first two months of the year shows the damage done to the country’s finances.

Today’s visualization outlines the sharp losses China’s economy has experienced, and how this may foreshadow what’s to come for countries currently in the early stages of the outbreak.

A Historic Slump

The results are in: China’s business activity slowed considerably as COVID-19 spread.

Economic IndicatorYear-over-year Change (Jan-Feb 2020)
Investment in Fixed Assets*-24.5%
Retail Sales-20.5%
Value of Exports-15.9%
Industrial Production-13.5%
Services Production-13.0%

*Excluding rural household investment

As factories and shops reopen, China seems to be over the initial supply side shock caused by the lockdown. However, the country now faces a double-headed demand shock:

  • Domestic demand is slow to gain traction due to psychological scars, bankruptcies, and job losses. In a survey conducted by a Beijing financial firm, almost 65% of respondents plan to “restrain” their spending habits after the virus.
  • Overseas demand is suffering as more countries face outbreaks. Many stores are closing up shop and/or cancelling orders, leading to an oversupply of goods.

With a fast recovery seeming highly unlikely, many economists expect China’s GDP to shrink in the first quarter of 2020—the country’s first decline since 1976.

Danger on the Horizon

Are other countries destined to follow the same path? Based on preliminary economic data, it would appear so.

The U.S.
About half the U.S. population is on stay-at-home orders, severely restricting economic activity and forcing widespread layoffs. In the week ending March 21, total unemployment insurance claims rose to almost 3.3 million—their highest level in recorded history. For context, weekly claims reached a high of 665,000 during the global financial crisis.

“…The economy has just fallen over the cliff and is turning down into a recession.”

Chris Rupkey, Chief Economist at MUFG in New York

In addition, manufacturing activity in eastern Pennsylvania, southern New Jersey, and Delaware dropped to its lowest level since July 2012.

Globally
Other countries are also feeling the economic impact of COVID-19. For example, global online bookings for seated diners have declined by 100% year-over-year. In Canada, nearly one million people have applied for unemployment benefits.

Hard-hit countries such as Italy and Spain, which already suffer from high unemployment, are also expecting to see economic blows. However, it’s too soon to gauge the extent of the damage.

Light at the End of the Tunnel

Given the near-shutdown of many economies, the IMF is forecasting a global recession in 2020. Separately, the UN estimates COVID-19 could cause up to a $2 trillion shortfall in global income.

On the bright side, some analysts are forecasting a recovery as early as the third quarter of 2020. A variety of factors, such as government stimulus, consumer confidence, and the number of COVID-19 cases, will play into this timeline.

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The Emissions Impact of Coronavirus Lockdowns, As Shown by Satellites

While the COVID-19 pandemic has been all-consuming, these satellite images show its unintended environmental impacts on NO₂ emissions.

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The Emissions Impact of Coronavirus Lockdowns

There’s a high chance you’re reading this while practicing social distancing, or while your corner of the world is under some type of advised or enforced lockdown.

While these are necessary measures to contain the spread of the COVID-19 pandemic, such economic interruption is unprecedented in many ways—resulting in some surprising side effects.

The Evidence is in NO₂ Emissions

Nitrogen dioxide (NO₂) emissions, a major air pollutant, are closely linked to factory output and vehicles operating on the road.

As both industry and transport come to a halt during this pandemic, NO₂ emissions can be a good indicator of global economic activity—and the changes are visible from space.

These images from the Centre for Research on Energy and Clean Air (CREA), as well as satellite footage from NASA and the European Space Agency (ESA), show a drastic decline in NO₂ emissions over recent months, particularly across Italy and China.

NO₂ Emissions Across Italy

In Italy, the number of active COVID-19 cases has surpassed China (including the death toll). Amid emergency actions to lock down the entire nation, everything from schools and shops, to restaurants and even some churches, are closed.

Italy is also an industrial hub, with the sector accounting for nearly 24% of GDP. With many Italians urged to work from home if possible, visible economic activity has dropped considerably.

This 10-day moving average animation (from January 1st—March 11th, 2020) of nitrogen dioxide emissions across Europe clearly demonstrates how the drop in Italy’s economic activity has impacted the environment.


Source: European Space Agency (ESA)

That’s not all: a drop in boat traffic also means that Venice’s canals are clear for the time being, as small fish have begun inhabiting the waterways again. Experts are cautious to note that this does not necessarily mean the water quality is better.

NO₂ Emissions Across China

The emissions changes above China are possibly even more obvious to the eye. China is the world’s most important manufacturing hub and a significant contributor to greenhouse gases globally. But in the month following Lunar New Year (a week-long festival in early February), satellite imagery painted a different picture.

no2 emissions wuhan china
Source: NASA Earth Observatory

NO₂ emissions around the Hubei province, the original epicenter of the virus, steeply dropped as factories were forced to shutter their doors for the time being.

What’s more, there were measurable effects in the decline of other emission types from the drop in coal use during the same time, compared to years prior.

China Coal Use FInal

Back to the Status Quo?

In recent weeks, China has been able to flatten the curve of its total COVID-19 cases. As a result, the government is beginning to ease its restrictions—and it’s clear that social and economic activities are starting to pick back up in March.


Source: European Space Agency (ESA)

With the regular chain of events beginning to resume, it remains to be seen whether NO₂ emissions will rebound right back to their pre-pandemic levels.

This bounce-back effect—which can sometimes reverse any overall drop in emissions—is [called] “revenge pollution”. And in China, it has precedent.

Li Shuo, Senior climate policy advisor, Greenpeace East Asia

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