Rio de Janeiro is 1.93× the size of Chiang Mai

What fits

• Chiang Mai is 52% of the size of Rio de Janeiro.
• Rio de Janeiro is larger by 21,200 km² (8,190 mi²), which is 93% of the area of Chiang Mai.
• Measured in Belgiums: Rio de Janeiro is about 1.43, Chiang Mai about 0.74.

How they differ

• Rio de Janeiro also has the larger population: 16.1 million against 1.8 million, 9.00× as many people.
• Per square kilometre that is 365 in Rio de Janeiro against 78 in Chiang Mai: Rio de Janeiro is 4.66× as densely populated.
• Their centres are about 16,000 km apart.
• Together Rio de Janeiro and Chiang Mai cover 66,700 km², close to the size of Sri Lanka (66,300 km², 0.7% smaller).
• The gap between them, 21,200 km², is about the size of Djibouti (21,800 km²).
• At Chiang Mai's density, Rio de Janeiro would have 3.4 million people (it has 16.1 million). At Rio de Janeiro's density, Chiang Mai would have 8.3 million (it has 1.8 million).
• Chiang Mai's centre is 41.0° of latitude, about 4,560 km, farther north than Rio de Janeiro's.
• Rio de Janeiro is the 24th largest of the 27 states and districts of Brazil and covers 0.5% of its area; it is the 2nd most densely populated of them.
• Chiang Mai is the largest of the 77 provinces of Thailand and covers 4.4% of its area; it is the 64th most densely populated of them.
• Chiang Mai lies about 41° of latitude (roughly 4,560 km) north of Rio de Janeiro, on the other side of the equator.
• Shared out evenly, each person in Rio de Janeiro would have about 2,740 m² and each person in Chiang Mai about 12,750 m².
• Laid side by side, Rio de Janeiro and Chiang Mai would cover 66,700 km², about the same size as Sri Lanka.
• Together they have 17.8 million people, about as many people as the Netherlands.

Side by side

Population: Wikidata 2022 and Wikidata 2020. Official figures: Wikidata (CC0).

• Wikidata's official figure of 43,700 km² agrees with our measured area of 44,000 km², to within 2%.
• Our measured 22,800 km² is 2.0% above Wikidata's official figure of 22,300 km². Official figures can include inland water or count land that an outline draws differently.

More from the same country

• All 27 states and districts of Brazilmatched to countries
• All 77 provinces of Thailandmatched to countries

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