3D interactive 'human terrain' map shows where people live

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Population along the Wasatch Front. (Photo: Screengrab from The Pudding)

A "human terrain" map is giving a view of where people across the globe live.

You can view the interactive map here.

The project done by the website The Pudding uses data from the Global Human Settlement Layer which was done by the European Commission on Global Human Settlement.

That project uses "satellite imagery, census data, and volunteered geographic information" to determine its population density maps. The latest data is from 2015.

Looking at a map of Utah, you can see, as expected, most of the population lives along the Wasatch Front.

Zoom in close enough, and you'll see blocks.

Each block represents 250 to 5,000 square meters and taller blocks means more people in that area.

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The map shows about 320 million people live in the United States, with most of the population density focused in California and the East Coast.

Ten U.S. cities have more than 1 million people.

Compare that to China, which has a whopping 100 cities with more than 1 million people.

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Hong Kong is roughly the size of three New York Cities.

According to the site, China's Pearl River District is becoming a megalopolis where three cities (Hong Kong, Guangzhou,m and Shenzen) with more than 10 million people are merging.

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Like China and India, Africa is seeing massive growth. 1 of 6 people on earth live in Africa. By 2100, it will be 1 in 3 people.

Kinshasa, the capital of the Democratic Republic of the Congo is now bigger than Paris.

You can also see where populations are declining, like in America's rust belt where the cities of Detroit, Cleveland and Cincinnati are all seeing people leaving in droves.

The interactive map also allows you to compare populations from 2015 to 1990.