Geography quiz
The world's biggest cities: urban areas over 13.5 million
24 urban areas hold more than 13.5 million people each. The country and the figure are showing; type the cities in any order.
- Format
- Type them all
- Items
- 24 answers
- Limit
- 5:00
- Level
- Medium
- Checked
- 2026.10.03
- Answers
- 24
- Time limit
- 5:00
- Order
- Any order
- Matching
- Case and accents ignored
- Type an answer; it files itself the moment it matches.
- One answer can fill several slots.
- Give up at any time to see what you missed.
- Pause whenever you like (Esc). The board hides while the clock is stopped.
Name the city in each row.
| Rank | Country | People | Urban area |
|---|---|---|---|
| 1 | Japan | 37.2 million | Not found yet |
| 2 | India | 32.9 million | Not found yet |
| 3 | China | 29.2 million | Not found yet |
| 4 | Bangladesh | 23.2 million | Not found yet |
| 5 | Brazil | 22.6 million | Not found yet |
| 6 | Mexico | 22.3 million | Not found yet |
| 7 | Egypt | 22.2 million | Not found yet |
| 8 | China | 21.8 million | Not found yet |
| 9 | India | 21.3 million | Not found yet |
| 10 | Japan | 19.0 million | Not found yet |
| 11 | United States | 18.9 million | Not found yet |
| 12 | China | 17.3 million | Not found yet |
| Rank | Country | People | Urban area |
|---|---|---|---|
| 13 | Pakistan | 17.2 million | Not found yet |
| 14 | Democratic Republic of the Congo | 16.3 million | Not found yet |
| 15 | Nigeria | 15.9 million | Not found yet |
| 16 | Turkey | 15.8 million | Not found yet |
| 17 | Argentina | 15.5 million | Not found yet |
| 18 | India | 15.3 million | Not found yet |
| 19 | Philippines | 14.7 million | Not found yet |
| 20 | China | 14.3 million | Not found yet |
| 21 | China | 14.2 million | Not found yet |
| 22 | Pakistan | 14.0 million | Not found yet |
| 23 | Brazil | 13.7 million | Not found yet |
| 24 | India | 13.6 million | Not found yet |
About this quiz
The largest urban agglomerations on Earth, by the 2023 figures. An agglomeration is the whole built up area around a city, so the numbers are far larger than those of the city proper.
- The largest has 37.2 million people.
- 15 of the 24 are in Asia.
- Accents can be left out, and Delhi counts for New Delhi.
Sources
- [1]Central Intelligence Agency. The World Factbook, 2025 edition: Major urban areas, population (archived copy of the agency's page).
Note on the data. Urban areas and their populations are those of the CIA World Factbook's field Major urban areas, population, in its last (2025) edition, read on 3 October 2026 from the archived copy of the agency's own page and parsed by script. The figures are for urban agglomerations, which are larger than the city proper, and most are for 2023. Countries whose entry mixes dates, names two capitals or names a seat of government are left out. The line is drawn at 13.5 million because the list is certain to be complete above it: every country that has six areas listed has its sixth below that figure, so no area left off the list can be larger. The largest area among the countries left out for mixed dates or two capitals is well below the line.
Last checked October 3, 2026
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