SortStack #194 — 2026-12-20

By population · Order from fewest to most people.

1. Sumo wrestlers in Japan's top makuuchi division 42

   Exactly forty-two slots exist; wrestlers are promoted or demoted after every single tournament.

2. Sitting United States senators 100

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

3. Residents of Saint Helena, Napoleon's island of exile 4.4K

   Until its airport opened in 2017, the only way in was a five-day boat trip from Cape Town.

4. Seats on Wimbledon's Centre Court 15K

   The retractable roof takes about ten minutes to close — rain delays used to last days.

5. The population of New Zealand 5.2M

   Outnumbered five to one by sheep — and that's actually the lowest the ratio has been in a century.

6. Mumbai — the city proper 12.5M

   Its dabbawalas deliver about 200,000 lunchboxes daily with near-perfect accuracy, no apps involved.

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