SortStack #719 — 2028-05-28

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 Vatican City 760

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

3. Berlin — the city proper 3.7M

   Has more bridges than Venice and more museums than rainy days per year.

4. Greater Cairo, Egypt's capital region 22M

   Africa's largest metro area sits beside pyramids that were already ancient to Cleopatra.

5. Greater Shanghai 29M

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

6. The population of Argentina 46M

   Nearly two-thirds of Argentines have Italian ancestry — hence the accent in their Spanish.

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