SortStack #2217 — 2032-07-04

By population · Order from fewest to most people.

1. People who have ever flown in space 680

   More people summit Everest in a single busy season than have ever left Earth's atmosphere.

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 Greenland 56K

   The world's largest island has fewer residents than a mid-size football stadium has seats.

5. The population of Reykjavík 140K

   The world's northernmost capital heats its streets and pavements with volcanic geothermal water.

6. The population of Australia 26.6M

   Nine in ten Australians live within 50 km of the coast; the interior is nearly empty.

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