This dataset contains population data reported by the following cities in 2020: Ayuntamiento de Madrid, Bangkok Metropolitan Administration, City of Anchorage, City of Athens, City of Berlin, City of Boston, City of Buenos Aires, City of Delhi, City of Helsinki, City of Las Vegas, City of Paris, City of Perth, City of San Francisco, City of Stockholm, City of Sydney, City of Vancouver, Göteborgs Stad, Greater London Authority, Kyoto, La Paz, Municipalidad de Santiago, New York City, Prefeitura do Rio de Janeiro, Singapore Government, Stadt Zürich, The Executive Council, Govt of Dubai, Ville de Nyon, Wellington City Council, and Wuhan Municipal People's Government.