SortStack #89 — 2026-09-06

By population · Order from fewest to most people.

1. The population of Malta 540K

   The EU's smallest member squeezes onto islands smaller than Philadelphia.

2. The population of Qatar 2.7M

   Citizens are outnumbered roughly eight to one by foreign workers and expats.

3. The population of Portugal 10.4M

   Once ran a global empire from a country smaller than the US state of Indiana.

4. The population of Istanbul 15.6M

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

5. The population of Australia 26.6M

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

6. Christians worldwide 2.4B

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

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