Hanoi
Hanoi (5.3 million inhabitants): major city of Vietnam, with country factbook, ranking and leader links.
Last updated: October 2026
| Country | Vietnam |
|---|---|
| Population | 5.3 million |
| Capital | Yes — national capital |
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.
Hanoi has a metropolitan population of 5.3 million, according to the UN World Urbanization Prospects (2022 Revision) cited on this page.
Hanoi is in Vietnam. It is the national capital of Vietnam.
Hanoi is the national capital of Vietnam. As the capital, it is the country’s seat of government. The Bureau’s profile records its population and country context; see the Vietnam factbook for the wider national picture.