Cambodia
United States of America

Land Area

United States of America flag United States of America
9,833,517 km² Largest
Cambodia flag Cambodia
181,035 km² 1.8% of largest
United States of America is 54.32× larger than Cambodia

Population

United States of America
United States of America flag LARGEST
341.78M PEOPLE
Cambodia
Cambodia flag 5.2% OF LARGEST
17.85M PEOPLE
United States of America flag United States of America 341.78M
LARGEST 34.8/km²
Cambodia flag Cambodia 17.85M
5.2% of largest 98.6/km²
United States of America has 19.15× the population of Cambodia

GDP

United States of America
United States of America flag LARGEST
$30.77T
Cambodia
Cambodia flag 0.2% OF LARGEST
$51.27B
United States of America flag United States of America $30.77T
LARGEST
Cambodia flag Cambodia $51.27B
0.2% of largest

Armed Forces

Active Personnel

United States of America
United States of America flag LARGEST
1.35M TROOPS
Cambodia
Cambodia flag 9.2% OF LARGEST
124.3K TROOPS
United States of America flag United States of America 1.35Mtroops
LARGEST
Cambodia flag Cambodia 124.3Ktroops
9.2% of largest
United States of America has 10.84× the active personnel of Cambodia

Air Force

United States of America
United States of America flag LARGEST
13.3K AIRCRAFT
Cambodia
Cambodia flag 0.2% OF LARGEST
24 AIRCRAFT
United States of America flag United States of America 13.3Kaircraft
LARGEST
Cambodia flag Cambodia 24aircraft
0.2% of largest
United States of America has 554.17× the aircraft of Cambodia

Wealth

Gold Reserves

United States of America
United States of America flag LARGEST
8,133.5 Metric Tonnes
Cambodia
Cambodia flag 0.6% OF LARGEST
46.5 Metric Tonnes

Foreign-Exchange Reserves

United States of America
United States of America flag LARGEST
$228B Reserves · excl. gold
Cambodia
Cambodia flag 8.3% OF LARGEST
$19B Reserves · excl. gold

Billionaires

United States of America
United States of America flag MOST
813 billionaires
Cambodia
Cambodia flag

Oil

Proven Reserves

United States of America
United States of America flag LARGEST
69 Billion barrels

Production & Consumption

United States of America
United States of America flag NET EXPORTER
Production 20.0M b/d
Consumption 19.0M b/d
+1.0M b/d net

Trade (Import/Export)

Cambodia
Cambodia flag $33.1B
Exports
$33.1B
Imports
$33.4B
Trade Balance
$-0.3B Trade Deficit
United States of America
United States of America flag $3,193.5B
Exports
$3,193.5B
Imports
$4,103.1B
Trade Balance
$-909.6B Trade Deficit

Drinks per Person

Coffee kg / person / yr
United States of America flag
United States of America consumption
4.2kg
Cambodia flag
Cambodia supply
2.0kg
Tea kg / person / yr
United States of America flag
United States of America consumption
0.4kg
Cambodia flag
Cambodia supply
0.0kg
Beer litres / person / yr
United States of America flag
United States of America consumption
73L
Cambodia flag
Cambodia consumption
59L
Wine litres / person / yr
United States of America flag
United States of America consumption
12L
Cambodia flag
Cambodia supply
0L
Alcohol litres pure alcohol / person / yr
United States of America flag
United States of America consumption
9.6L
Cambodia flag
Cambodia consumption
4.2L
Smoking % of adults 15+ who smoke
Cambodia flag
Cambodia
14.8%
United States of America flag
United States of America
14.1%
Per-capita — consumption where available, else FAOSTAT supply · alcohol = litres of pure alcohol; smoking = % of adults 15+ (WHO)

Olympic Medals

United States of America flag
United States of America
1,233 Gold
1,013 Silver
889 Bronze
3,135 Total Medals
☀ Summer: 2,772 ❄ Winter: 363
Cambodia flag
Cambodia
No Olympic medal data

Religious Demographics

Religious Distribution

Religious Composition by Country

Cambodia flag Cambodia
United States of America flag United States of America

Age Demographics

Median Age

United States of America flag United States of America
OLDEST
38.8 YEARS
10 30 50 70
Cambodia flag Cambodia
YOUNGEST
26.4 YEARS
10 30 50 70

Age Distribution

Population breakdown by age bracket (percentage)

Demographic Insights
Age Gap United States of America is 12.4 years older (median) than Cambodia
Youth Population Cambodia has the highest youth population at 58.0% (under 30)
Elderly Population United States of America has the highest elderly population at 21.6% (60+)

Global Statistics

Metric
Cambodia flag Cambodia
United States of America flag United States of America
Travel & Mobility
Passport Power visa-free destinations
186
Tourist Arrivals per year
66.5M
Culture & Prestige
Nobel Laureates all-time
0
411
3-Michelin-Star Restaurants current guide
0
16
UNESCO Heritage Sites inscribed sites
5
26
Figures as of 2026. Sources: IMF, EIA/OPEC, Henley Passport Index, UNWTO, Forbes, Michelin Guide, Nobel Foundation, UNESCO World Heritage Centre.

Cost of Living

Metric
All indices use New York City as base (100) Lower values indicate lower costs.
Cambodia flag Cambodia
United States of America flag United States of America
Cost of Living Index
42.1
71.0
Rent Index
15.2
43.5
Groceries Index
44.8
69.8
Restaurant Price Index
25.9
73.2
Local Purchasing Power
14.8
100.0
Common Expenses Comparison
Meal at Inexpensive Restaurant (USD) $3 $20
Three-Course Meal for 2 (USD) $12 $80
Monthly Rent - City Center (USD) $350 $1,950
Monthly Rent - Outside Center (USD) $200 $1,500
Monthly Utilities (USD) $45 $175
Internet (60 Mbps, USD) $12 $68
Monthly Public Transport Pass (USD) $20 $85

Health

Healthcare spending, capacity and outcomes. Sources: World Bank / WHO — the year tag shows each figure’s vintage; “—” means the country doesn’t report that metric.

Health spending / person

USA
$13,473 2023
Cambodia
$115 2023

Physicians per 1,000

USA
3.7 2022
Cambodia
0.2 2019

Hospital beds per 1,000

USA
2.7 2022
Cambodia
0.7 2018

Diabetes prevalence

USA
13.7% 2024
Cambodia
7.5% 2024

Obesity prevalence

USA
41.0% 2024
Cambodia
4.9% 2024

Suicide rate per 100k

USA
15.6 2021
Cambodia
4.5 2021

Want the long view?

GDP, population, reserves & trade for Cambodia vs USA — charted over the decades.

View Historical Data

Basic Information

Metric Cambodia United States of America
Population 17847982 341784857
Area (sq km) 181035 9833517
Capital Phnom Penh Washington, D.C.
Official Language Khmer English (de facto)
Currency Cambodian Riel (KHR) United States Dollar (USD)
Government Type Constitutional monarchy Federal presidential constitutional republic

Military Strength

Metric Cambodia United States of America
Active Personnel 124,300 1,347,300
Reserve Personnel 0 799,500
Total Military Personnel 124,300 2,146,800
Defense Budget (USD) $554,000,000 $816,000,000,000
Tanks 0 6,612
Armored Vehicles 240 45,193
Self-Propelled Artillery 0 1,498
Towed Artillery 40 1,339
Rocket Projectors 30 1,366

Economy

Metric Cambodia United States of America
GDP (USD) $51,267,065,843 $30,769,700,000,000
GDP Per Capita (USD) $2,872 $90,027
Unemployment Rate (%) 0.3% 4.2%
GINI Index (Income Inequality) 37.9 41.8
Currency Cambodian Riel (KHR) United States Dollar (USD)
Loading current exchange rates…

Interesting Comparisons & Trivia

Did You Know?

United States of America is 54.3 times larger in area than Cambodia. That's a massive difference!
United States of America has 19.1 times more people than Cambodia.
United States of America has the highest GDP per capita at $90,027 among the selected countries.
United States of America has the largest economy with a GDP of $30.77 trillion.
United States of America has the largest active military personnel with 1,347,300 troops.
United States of America has the largest air force with 13,300 aircraft.
United States of America has the largest navy with 472 vessels.
USA Fact: The United States has more airports than any other country in the world, with over 13,000 airports.

Cambodia vs United States of America: Key Comparisons

Economy: United States of America's GDP of $30.8T is 600.2x larger than Cambodia's $51B — both among the world's largest economies.
Population: United States of America's population of 342M is 19.1x larger than Cambodia's 18M.
Area: United States of America covers 9,833,517 km², making it 54.3x larger than Cambodia.
Military: United States of America fields 1.3Million active troops vs Cambodia's 120Thousand.
Trade: Cambodia has a trade deficit of $0B while United States of America has a trade deficit of $910B.
Life Expectancy: United States of America leads with a life expectancy of 79 years vs Cambodia's 71.
Data compiled from World Bank, IMF, Global Firepower, SIPRI, Numbeo, and Pew Research. Last updated August 2026. Sources & methodology