SortStack #2658 — 2033-09-18

By population · Order from fewest to most people.

1. People who stay in Antarctica through the winter 1.1K

   Once the last plane leaves in March, even medical evacuation can be impossible until spring.

2. Seats in the Sydney Opera House's main concert hall 2.7K

   The building's sails were so hard to engineer that the design pre-dated computers able to verify it.

3. The population of Tuvalu 11K

   Its highest point is about 4.6 meters above sea level — rising oceans threaten the whole country.

4. The population of Cuba 11M

   Has one of the highest doctor-to-patient ratios in the world and exports physicians globally.

5. The population of Canada 40M

   The world's second-largest country by area has fewer people than Greater Tokyo.

6. Every human alive at the height of the Roman Empire 300M

   Fewer people than live in the United States today — across the entire planet.

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