SortStack #2749 — 2033-12-18

By population · Order from fewest to most people.

1. Sitting United States senators 100

   Two per state since 1789 — the chamber only grows when a new state joins the union.

2. The population of San Marino 34K

   Claims to be the world's oldest republic, founded — by tradition — in the year 301.

3. The population of Samoa 220K

   In 2011 it skipped December 30 entirely, jumping across the date line to trade with Australia.

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

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

5. The population of Russia 144M

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

6. Christians worldwide 2.4B

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

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