SortStack #166 — 2026-11-22

By population · Order from fewest to most people.

1. Members of the Pope's Swiss Guard 135

   Recruits must be unmarried Swiss Catholic men who completed Swiss military training.

2. The population of Monaco 38.4K

   About one in three residents is a millionaire — the densest concentration of wealth on Earth.

3. Amsterdam — the city proper 920K

   Home to more bicycles than people, and roughly 12,000 bikes are fished out of canals yearly.

4. Greater Shanghai 29M

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

5. The population of Egypt 112M

   About 95 percent of Egyptians live on just 5 percent of the land, hugging the Nile.

6. The population of Russia 144M

   The world's largest country by land has fewer people than Bangladesh.

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