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This fascinating map is made by Alasdair Rae of Sheffield, England, a former professor of urban studies who is the founder of Automatic Knowledge. It shows world population density in 3D.

Details: "No land is shown on the map, only the locations where people actually live. ... The higher the spike, the more people live in an area. Where there are no spikes, there are no people (e.g. you can clearly identify ... the Sahara Desert)."

  • The major world population concentrations are immediately obvious — particularly China, India and Indonesia.
  • "Yet it is often also possible to pick out even quite small towns and cities, such as those in the south of New Zealand, or northern Russia."

How it works: Rae says that he uses "data from the EU's GHSL dataset, software is Aerialod by @ephtracy and render time for the big image was about 6 hours."

  • Rae explains that the light-and-shadow effect lets you identify some isolated population centers, including ones in Hawaii and central Australia.
  • And he reminds us of the old saying: "Where there is water, there is life."

Go deeper: "How to make a 3D population density render for any country in the world." ... More maps.

Go deeper

Updated 3 mins ago - Economy & Business

Student debt getting in the way of millennial homeownership

Illustration: Aïda Amer/Axios

Millennial homeownership is on the rise — but student loan debt is still keeping millions of members of America's largest generation from owning a home.

Why it matters: Buying a house remains the No. 1 way to build wealth in the U.S.

Updated 3 mins ago - World

UK government: Kremlin has plan "to install pro-Russian leadership" in Ukraine

British Foreign Secretary Elizabeth Truss. Photo: Gints Ivuskans / AFP via Getty Images

The United Kingdom's Foreign Secretary on Saturday night said the government has "information that indicates the Russian Government is looking to install a pro-Russian leader in Kyiv as it considers whether to invade and occupy Ukraine."

Driving the news: U.S. National Security Council spokeswoman Emily Horne called the intelligence "deeply concerning" in a statement to Axios. The Biden administration has said Russia is actively manufacturing a pretext for invasion and warned that Putin could use joint military exercises in Belarus as cover to invade from the north.

Most teachers are white. Most students aren't.

Expand chart
Data: U.S. Department of Education, National Center for Education Statistics; Chart: Baidi Wang/Axios

The nation's 6.6 million teacher workforce has grown more racially and ethnically diverse over the past three decades — but not nearly fast enough to keep pace with a student population that's nearing majority-minority in public schools, two new reports show.

Why it matters: The disparities are especially acute between Hispanic students and teachers, and in schools with 90% or higher non-white student populations.