SortStack #1412 — 2030-04-21

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. Residents of the island nation of Niue 1.9K

   One of the world's largest coral islands, and the first country fully covered by free Wi-Fi.

3. The population of Palau 18K

   Visitors must sign an eco-pledge stamped into their passport, written by Palau's children.

4. The population of Liechtenstein 39.6K

   You can rent the entire country for corporate events — Snoop Dogg once tried.

5. Greater Shanghai 29M

   Its metro system, opened only in 1993, is already the longest in the world.

6. Christians worldwide 2.4B

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

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