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

The U.S. and China Account for Half the World’s Household Wealth

This visualization breaks down how household wealth is distributed around the world. Just 10 countries now account for 75% of total household wealth.

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The U.S. and China Account for Half the World’s Household Wealth

Measures like GDP are commonly used to understand the overall wealth and size of the economy. While looking at economic output on an annual basis is useful, there are other metrics to consider when evaluating the wealth of a nation.

Household wealth statistics reveal which country’s citizens are accruing the highest level of money and assets worldwide.

This visual utilizes data from Credit Suisse’s annual Global Wealth Report to break down the latest estimates for household wealth by country.

Household Wealth, by Country

Here’s how the world’s $463 trillion in household wealth is distributed:

RankCountryHousehold Wealth (2022)% of World Total
#1🇺🇸 United States$145.8T31.5%
#2🇨🇳 China$85.1T18.4%
#3🇯🇵 Japan$25.7T5.5%
#4🇩🇪 Germany$17.5T3.8%
#5🇬🇧 United Kingdom$16.3T3.5%
#6🇫🇷 France$16.2T3.5%
#7🇮🇳 India$14.2T3.1%
#8🇨🇦 Canada$12.4T2.7%
#9🇮🇹 Italy$11.5T2.5%
#10🇦🇺 Australia$10.6T2.3%
#11🇰🇷 South Korea$10.1T2.2%
#12🇪🇸 Spain$8.4T1.8%
#13🇹🇼 Taiwan$5.9T1.3%
#14🇳🇱 Netherlands$5.4T1.2%
#15🇨🇭 Switzerland$4.9T1.1%
Rest of World$73.6T15.6%
Total:$463.6T100.0%

As the table above demonstrates, global household wealth is far from being distributed equally.

Country-Level Wealth Concentration

Much of global wealth is concentrated in the biggest economies, with households in China and the U.S. combining to make up half of all personal wealth in the world. This differs slightly from using GDP as a measure, where the U.S. and China make up 24% and 19% of the world economy in nominal terms, respectively.

Today, just 10 countries account for 75% of total household wealth.

One of the biggest changes in recent years is the rise of wealth in China. A decade ago, China’s citizens were estimated to hold just 9% of the world’s wealth. That figure has now more than doubled, while median wealth in the country has skyrocketed from $3,111 to $26,752 between 2000 and 2021.

A Regional Look at Household Wealth

From a regional standpoint, wealth is equally split three ways, between North America, Asia, and everywhere else.

Chart showing global household wealth by region

In just one decade, Europe’s share of household wealth dropped by eight percentage points, which is due, in part, to the economic momentum of China.

Surprisingly, the regions of Africa, South America, Oceania, and the Middle East combine only for about 11% of the world’s total household wealth.

Where does this data come from?

Source: Global Wealth Report by Credit Suisse

Data note: There is no straightforward way of estimating household wealth in various countries, so the report utilizes three main measures including: a country’s average level of wealth, the patterns of a country’s wealth holdings, and Forbes list of billionaires.

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Misc

Ranked: The World’s Most Surveilled Cities

The world’s most surveilled cities contain hundreds of thousands of cameras. View this infographic to see the data in perspective.

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Ranked: The World’s Most Surveilled Cities

This may come as a surprise, but it wasn’t until 2007 that the global urban population overtook the rural population. At that time, the two groups were split nearly 50/50, with around 3.3 billion people apiece.

Today, the percentage of people living in urban areas has grown to over 55%, and is expected to reach 68% by 2050. Due to this trend, many of the world’s largest cities have become home to tens of millions of people.

In response to such incredible density, governments, businesses, and households have installed countless security cameras for various purposes including crime protection. To grasp the scale of this surveillance, we’ve taken data from a recent report by Comparitech to visualize the most surveilled cities in the world.

The List (Excluding China)

Excluding China for the time being, these are the world’s 10 most surveilled cities.

CityPopulationNumber of CamerasCameras per
1,000 people
🇮🇳 Indore, India3.2M200,60063
🇮🇳 Hyderabad, India10.5M440,29942
🇮🇳 Delhi, India16.3M436,60027
🇮🇳 Chennai, India11.5M282,12625
🇸🇬 Singapore6.0M108,98118
🇷🇺 Moscow, Russia12.6M213,00017
🇮🇶 Baghdad, Iraq7.5M120,00016
🇬🇧 London, UK9.5M127,37313
🇷🇺 St. Petersburg, Russia5.5M70,00013
🇺🇸 Los Angeles, U.S.3.9M34,9599

Figures rounded

The top four cities all belong to India, which is the world’s second largest country by population. Surveillance cameras are playing a major role in the country’s efforts to reduce crimes against women.

Further down the list are cities from a variety of countries. One of these is Russia, which has expanded its use of surveillance cameras in recent years. Given the country’s track record of human rights violations, activists are worried that facial recognition technology could become a tool of oppression.

The only U.S. city on the list is Los Angeles, which contains some of the country’s wealthiest neighborhoods and municipalities. That includes Beverly Hills, which according to the Los Angeles Times, has over 2,000 cameras for its population of 32,500. That translates to about 62 cameras per 1,000 people, meaning that Beverly Hills would finish at #2 in the global ranking if it were listed as a separate entity.

Surveillance in China

IHS Markit estimates that as of 2021, there are over 1 billion surveillance cameras installed worldwide. The firm also believes that 54% of these cameras are located in China.

Because of limited transparency, it’s impossible to pinpoint how many cameras are actually in each Chinese city. However, if we assume that China has 540 million cameras and divide that amongst its population of 1.46 billion, we can reasonably say that there are 373 cameras per 1,000 people (figures rounded).

Cameras in China

A limitation of this approach is that it assumes everyone in China lives in a city, which is far from reality. The most recent World Bank figures suggest that 37% of China’s population is rural, which equates to over 500 million people.

With this in mind, the number of cameras per 1,000 people in a Tier 1+ Chinese city (e.g. Shanghai) is likely far greater than 373.

More About China

China’s expansive use of cameras and facial recognition technology has been widely documented in the media. These networks enable the country’s social credit program, which gives local governments an unprecedented amount of oversight over its citizens.

For example, China’s camera networks can be used to verify ATM withdrawals, permit access into homes, and even publicly shame people for minor offences like jaywalking.

This might sound like a dystopian nightmare to Western audiences, but according to Chinese citizens, it’s mostly a good thing. In a 2018 survey of 2,209 citizens, 80% of respondents approved of social credit systems.

If you’re interested in learning more about surveillance in Chinese cities, consider this video from The Economist, which explores the opportunities and dangers of comprehensive state control.

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