Cities

Argentina

• Buenos Aires: population 3,121,707 (Autonomous City of Buenos Aires, 2022 census). Source: INDEC

Australia

• Melbourne: population 5,435,590 (Greater Melbourne, 30 June 2025). Source: Australian Bureau of Statistics
• Sydney: population 5,638,830 (Greater Sydney, 30 June 2025). Source: Australian Bureau of Statistics

Austria

• Vienna: population 2,040,914 (City of Vienna, 1 January 2026). Source: City of Vienna (Stadt Wien)

Brazil

• Rio de Janeiro: population 6,211,223 (Municipality of Rio de Janeiro, 2022 census). Source: IBGE

Czechia

• Prague: population 1,407,084 (Capital City of Prague, 31 December 2025). Source: Czech Statistical Office (ČSÚ)

France

• Paris: population 2,103,778 (City of Paris, 2023). Source: INSEE

Germany

• Berlin: population 3,700,577 (City of Berlin, 31 December 2025). Source: Amt für Statistik Berlin-Brandenburg

Hong Kong SAR, China

• Hong Kong: population 7,518,300 (Hong Kong SAR, mid-2026). Source: Census and Statistics Department

India

• Delhi: population 16,787,941 (National Capital Territory of Delhi, 2011 census). Source: Census of India
• Mumbai: population 12,442,373 (Greater Mumbai (Mumbai and Mumbai Suburban districts), 2011 census). Source: Census of India

Italy

• Rome: population 2,745,062 (Municipality of Rome (Comune di Roma), 1 January 2026, estimate). Source: ISTAT

Japan

• Osaka: population 2,817,490 (Osaka City, 1 September 2026, estimate). Source: Osaka City
• Tokyo: population 9,948,000 (Tokyo's 23 special wards, 1 October 2025). Source: Tokyo Metropolitan Government

Netherlands

• Amsterdam: population 941,927 (Municipality of Amsterdam, 1 January 2026). Source: Statistics Netherlands (CBS)

Portugal

• Lisbon: population 658,236 (Municipality of Lisbon, 2025 estimate). Source: INE (Portugal)
• Porto: population 273,476 (Municipality of Porto, 2025 estimate). Source: INE (Portugal)

Singapore

• Singapore: population 6,208,523 (Singapore (the whole country), 2026). Source: Singapore Department of Statistics

Spain

• Barcelona: population 1,731,649 (Municipality of Barcelona, 1 January 2025). Source: INE (Spain)

Thailand

• Bangkok: population 8,890,112 (Bangkok (the 50 districts of the Bangkok Metropolitan Administration), 1 April 2025, census). Source: National Statistical Office of Thailand

Türkiye

• Istanbul: population 15,754,053 (Istanbul province, 31 December 2025). Source: Turkish Statistical Institute (TÜİK)

United Arab Emirates

• Dubai: population 4,580,000 (Emirate of Dubai, register, 31 December 2025). Source: Digital Dubai (Dubai Data and Statistics Establishment)

United Kingdom

• London: population 9,122,909 (Greater London, mid-2025). Source: Office for National Statistics (via Nomis)

United States

• Los Angeles: population 3,898,747 (City of Los Angeles, 2020 census). Source: U.S. Census Bureau
• New York: population 8,804,190 (New York City (the five boroughs), 2020 census). Source: U.S. Census Bureau

Population sources checked 1 October 2026, 2 October 2026.