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United States vs Vietnam

United States and Vietnam side by side: live population, demographics, economy, environment and digital indicators from the UN and the World Bank, plus charts that overlay the full history of both countries. Change either country to compare any pair.

At a glance

Live population · UN WPP
Flag of United States of America

United States

North America · #3 of 238 by population
Live population
349,542,027
+0.5% a year · full profile · atlas
vs
Flag of Viet Nam

Vietnam

Asia · #16 of 238 by population
Live population
102,345,579
+0.6% a year · full profile · atlas
United States has 3.4× the population of Vietnam (77.4% vs 22.6% of the two combined).

United States vs Vietnam: 28 indicators side by side

Latest available figures · October 2026
IndicatorUnited StatesVietnamDifference
👥 Population
Population
people
349,542,027102,345,579United States 3.4×
Population growth rate
% per year
+0.5+0.6-0.1 pts
Population density
people per km²
35.62026308.92026-273.3
Surface area
km²
9,831,5102023331,3382023United States 30×
Birth rate
births per 1,000 people
10.6202413.42024-2.8
Death rate
deaths per 1,000 people
920246.62024+2.4
Net migration rate
per 1,000 people per year
+3.4-0.5+3.9
Urban population
% of population
80.2202538.82025+41.4 pts
Sex ratio
males per 100 females
10196+5
❤️ Demographics & Health
Life expectancy
years
78.9202474.72024+4.2
Fertility rate
births per woman
1.6320241.92024-0.27
Median age
years
38.733.9+4.8
Infant mortality
deaths per 1,000 live births
4.714-9.3
Population under 15
% of population
17.1202522.92025-5.8 pts
Population aged 65+
% of population
18.420259.52025+8.9 pts
💰 Economy
GDP
current US$
$30.77T2025$514.70B2025United States 60×
GDP per capita
current US$
$90,0272025$5,0662025United States 18×
Unemployment rate
% of labor force
4.220251.52025+2.7 pts
Inflation rate
% annual, consumer prices
2.920243.32025-0.4 pts
🌱 Environment & Energy
CO₂ emissions
Mt CO₂ per year
4,632.22024430.82024United States 11×
CO₂ emissions per capita
tonnes per person
13.6220244.272024+9.36
Energy use per capita
kg of oil equivalent per person
6,36120241,0182023United States 6.2×
Renewable energy share
% of final energy
10.9202124.22021-13.3 pts
Forest area
% of land area
33.9202347.42023-13.6 pts
Freshwater resources per capita
m³ per person per year
8,43720223,6062022United States 2.3×
Water stress
% of resources withdrawn
15.8202222.82022-7 pts
📶 Digital
Internet users
% of population
94.7202484.22024+10.5 pts
Mobile subscriptions
per 100 people
113.22024127.62024-14.4

▲ marks the higher value (for death rate, infant mortality, unemployment, inflation, CO₂ and water stress: the lower value). "Difference" is the ratio for absolute measures and United States minus Vietnam for rates and shares. Years in grey are the latest available for that country.

United States compared with Vietnam

Updated October 2026

United States has a live population of about 349,542,027 (#3 in the world) and Vietnam about 102,345,579 (#16), so United States has 3.4 times as many people as Vietnam. United States is growing at 0.5% a year and Vietnam at 0.6%.

By area United States is larger: 9,831,510 km² against 331,338 km², which gives population densities of 35.6 people per km² in United States and 308.9 in Vietnam.

United States's economy is worth $30.77T (2025) and Vietnam's $514.70B (2025); per person that is $90,027 in United States versus $5,066 in Vietnam, so the average United States resident produces 17.8 times as much.

Life expectancy is 78.9 years in United States and 74.7 in Vietnam; women have 1.6 children on average in United States compared with 1.9 in Vietnam; the median age is 38.7 versus 33.9 years.

80.2% of United States's people live in cities against 38.8% in Vietnam; 94.7% use the internet in United States and 84.2% in Vietnam; CO₂ emissions per person are 13.6 t in United States and 4.3 t in Vietnam.

Population over time

United States vs Vietnam
United StatesVietnam

Life expectancy & fertility

United States vs Vietnam
United StatesVietnam

Birth & death rates

United States vs Vietnam
United StatesVietnam

Age structure

United States vs Vietnam
United StatesVietnam

CO₂ emissions

United States vs Vietnam
United StatesVietnam

Energy use & renewables

United States vs Vietnam
United StatesVietnam

Forest area

United States vs Vietnam
United StatesVietnam

Urban population

United States vs Vietnam
United StatesVietnam

Water resources & stress

United States vs Vietnam
United StatesVietnam

Economy

United States vs Vietnam
United StatesVietnam

Unemployment & inflation

United States vs Vietnam
United StatesVietnam

Internet & mobile

United States vs Vietnam
United StatesVietnam

Frequently asked questions

Which is bigger, United States or Vietnam?

By population United States is bigger: 349,542,027 people versus 102,345,579 (live estimates, October 2026). By area United States is larger (9,831,510 km² vs 331,338 km²).

Which has the larger economy, United States or Vietnam?

United States: GDP of $30,769,700,000,000 versus $514,697,215,165 in current US dollars (World Bank, 2025/2025).

Where do people live longer, United States or Vietnam?

Life expectancy at birth is 78.9 years in United States and 74.7 years in Vietnam, a difference of 4.2 years in favour of United States.

How are these comparisons calculated?

Live populations extrapolate the UN World Population Prospects baseline with each country's growth rate; every other figure is the latest value published by World Bank Open Data (or the UN for median age, infant mortality and migration). Each row shows the year of the figure, and the charts below overlay the full historical series of both countries.

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Sources & method: live populations are linear extrapolations of the UN World Population Prospects estimates; all other indicators are the latest values from World Bank Open Data (UN WPP for median age, infant mortality, sex ratio and net migration). Figures are statistical estimates, not census counts. Page generated 2026-10-19. More about our data.