SortStack #2980 — 2034-08-06

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 Palau 18K

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

3. The population of Istanbul 15.6M

   The only major city spanning two continents — you can commute between Europe and Asia by ferry.

4. The population of Taiwan 23.4M

   Produces over 90 percent of the world's most advanced computer chips.

5. The population of Nigeria 223M

   Projected to pass the United States and become the world's third most populous country by 2050.

6. The population of the United States 335M

   If American pets formed a country, its population would rival the human one.

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