Today · #30
🌎 Geography
Top 10 largest cities in the world
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Ranking method
- Metric
- Population of the urban agglomeration
- Data through
- UN 2025 estimates
- Source
- Wikipedia: List of largest cities (UN urban agglomeration estimates)
- Notes
- Everything here turns on the definition. This ranks urban agglomerations — the continuous built-up area. Ranking by city proper, or by metropolitan area, produces two more top tens with different winners.
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Today's challenge
Wednesday, August 12, 2026 · Puzzle #30 · Geography. Ranked by population of the urban agglomeration, according to Wikipedia: List of largest cities (UN urban agglomeration estimates). You get five hearts and five hint steps; answers are published here the following day.
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