SortStack #1923 — 2031-09-14

By population · Order from fewest to most people.

1. The population of Vatican City 760

   Many of its citizens don't live inside the walls — they're diplomats posted abroad.

2. The population of Estonia 1.4M

   The first country to allow online voting in national elections, back in 2005.

3. Every human alive at the height of the Roman Empire 300M

   Fewer people than live in the United States today — across the entire planet.

4. The population of India 1.4B

   Now the world's most populous country — one in six humans is Indian.

5. Christians worldwide 2.4B

   The world's largest religion — nearly a third of humanity across every continent.

6. Every human alive today 8.1B

   All of us together would fit, standing, inside the city limits of Los Angeles.

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