Porto Alegre
Porto Alegre (4.2 million inhabitants): major city of Brazil, with country factbook, ranking and leader links.
Last updated: October 2026
| Country | Brazil |
|---|---|
| Population | 4.2 million |
Source: UN World Urbanization Prospects, 2022 Revision (metropolitan agglomeration estimate). Observation date: 2022. The Bureau cross-checked major-city figures against UN WUP; smaller-city figures are presented as published and have not been individually re-verified.
Porto Alegre has a metropolitan population of 4.2 million, according to the UN World Urbanization Prospects (2022 Revision) cited on this page.
Porto Alegre is in Brazil. It is a major city of Brazil.
Porto Alegre is a major city of Brazil. The Bureau’s profile records its population and country context; see the Brazil factbook for the wider national picture.