United States vs Vietnam: Number of people living in the capital city

United States
4.04 million people
in 2100
Vietnam
3.50 million people
in 2100
United States rank
53rd
Vietnam rank
56th

Number of people living in the capital city over time

  • United States
  • Vietnam
02.0M4.0M6.0M202020602100

How they compare

United States currently reports 4.04 million people against 3.50 million people in Vietnam, a difference of 545,700 people.

That makes United States's figure about 1.2 times Vietnam's.

The two have swapped places 1 time across 17 shared years of data; in 2020 it was Vietnam ahead.

United States ranks 53rd and Vietnam ranks 56th of 191 countries.

Across the 9 decades both report, United States averaged higher in 2 and Vietnam in 7.

Head to head by decade

Decade United States Vietnam Difference Ahead
2020s 3.17 million people 5.06 million people 1.90 million people Vietnam
2030s 3.43 million people 5.04 million people 1.61 million people Vietnam
2040s 3.62 million people 4.90 million people 1.29 million people Vietnam
2050s 3.74 million people 4.74 million people 1.00 million people Vietnam
2060s 3.81 million people 4.47 million people 656,060 people Vietnam
2070s 3.88 million people 4.23 million people 345,385 people Vietnam
2080s 3.94 million people 3.98 million people 30,785 people Vietnam
2090s 3.99 million people 3.68 million people 311,510 people United States
2100s 4.04 million people 3.50 million people 545,700 people United States

Averages of every year both report within each decade.

Frequently asked questions

Which has higher number of people living in the capital city, United States or Vietnam?
United States, at 4.04 million people against 3.50 million people in Vietnam as of 2100.
What is the difference in number of people living in the capital city between United States and Vietnam?
545,700 people, with United States ahead.
How many years of comparable data are there for United States and Vietnam?
17 years are reported by both, from 2020 to 2100.
How do United States and Vietnam rank globally for number of people living in the capital city?
United States ranks 53rd and Vietnam ranks 56th of 191 countries.
Where does this data come from?
European Commission, Joint Research Centre (JRC) (2025) – with minor processing by Our World in Data, published as Number of people living in the capital city. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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United States vs Vietnam: Number of people living in the capital city. Statizoid, drawing on European Commission, Joint Research Centre (JRC) (2025) – with minor processing by Our World in Data. Retrieved 18 September 2026, from https://reference.statizoid.com/compare/number-of-people-living-in-the-capital-city-european-commission/united-states/viet-nam/

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<a href="https://reference.statizoid.com/compare/number-of-people-living-in-the-capital-city-european-commission/united-states/viet-nam/">United States vs Vietnam: Number of people living in the capital city</a> — Statizoid

About this data

Indicator
Number of people living in the capital city
Unit
people
Source
European Commission, Joint Research Centre (JRC) (2025) – with minor processing by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
191 places, 3,183 data points, 2020–2100
Last refreshed

Projected total number of people living in the country's capital city. City boundaries are defined using a consistent global approach based on satellite imagery and population data.