Japan
United States of America

Land Area

United States of America flag United States of America
9,833,517 km² Largest
Japan flag Japan
377,975 km² 3.8% of largest
United States of America is 26.02× larger than Japan

Population

United States of America
United States of America flag LARGEST
341.78M PEOPLE
Japan
Japan flag 36.1% OF LARGEST
123.37M PEOPLE
United States of America flag United States of America 341.78M
LARGEST 34.8/km²
Japan flag Japan 123.37M
36.1% of largest 326.4/km²
United States of America has 2.77× the population of Japan

GDP

United States of America
United States of America flag LARGEST
$30.77T
Japan
Japan flag 14.4% OF LARGEST
$4.44T
United States of America flag United States of America $30.77T
LARGEST
Japan flag Japan $4.44T
14.4% of largest

Armed Forces

Active Personnel

United States of America
United States of America flag LARGEST
1.35M TROOPS
Japan
Japan flag 18.3% OF LARGEST
247.15K TROOPS
United States of America flag United States of America 1.35Mtroops
LARGEST
Japan flag Japan 247.15Ktroops
18.3% of largest
United States of America has 5.45× the active personnel of Japan

Air Force

United States of America
United States of America flag LARGEST
13.3K AIRCRAFT
Japan
Japan flag 10.9% OF LARGEST
1.45K AIRCRAFT
United States of America flag United States of America 13.3Kaircraft
LARGEST
Japan flag Japan 1.45Kaircraft
10.9% of largest
United States of America has 9.18× the aircraft of Japan

Wealth

Gold Reserves

United States of America
United States of America flag LARGEST
8,133.5 Metric Tonnes
Japan
Japan flag 10.4% OF LARGEST
846.0 Metric Tonnes

Foreign-Exchange Reserves

Japan
Japan flag LARGEST
$1.16T Reserves · excl. gold
United States of America
United States of America flag 19.7% OF LARGEST
$228B Reserves · excl. gold

Billionaires

United States of America
United States of America flag MOST
813 billionaires
Japan
Japan flag 5% OF MOST
41 billionaires

Oil

Proven Reserves

United States of America
United States of America flag LARGEST
69 Billion barrels
Japan
Japan flag 0.1% OF LARGEST
0.0 Billion barrels

Production & Consumption

Japan
Japan flag NET IMPORTER
Production 0.0M b/d
Consumption 3.3M b/d
−3.3M b/d net
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)

Japan
Japan flag $917.0B
Exports
$917.0B
Imports
$952.0B
Trade Balance
$-35.0B 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
Japan flag
Japan consumption
3.6kg
Tea kg / person / yr
Japan flag
Japan consumption
0.9kg
United States of America flag
United States of America consumption
0.4kg
Beer litres / person / yr
United States of America flag
United States of America consumption
73L
Japan flag
Japan consumption
38L
Wine litres / person / yr
United States of America flag
United States of America consumption
12L
Japan flag
Japan consumption
4L
Alcohol litres pure alcohol / person / yr
United States of America flag
United States of America consumption
9.6L
Japan flag
Japan consumption
6.3L
Smoking % of adults 15+ who smoke
Japan flag
Japan
17.1%
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
Japan flag
Japan
211 Gold
198 Silver
235 Bronze
644 Total Medals
☀ Summer: 544 ❄ Winter: 100

Religious Demographics

Religious Distribution

Religious Composition by Country

Japan flag Japan
United States of America flag United States of America

Age Demographics

Median Age

Japan flag Japan
OLDEST
48.6 YEARS
10 30 50 70
United States of America flag United States of America
YOUNGEST
38.8 YEARS
10 30 50 70

Age Distribution

Population breakdown by age bracket (percentage)

Demographic Insights
Age Gap Japan is 9.8 years older (median) than United States of America
Youth Population United States of America has the highest youth population at 38.4% (under 30)
Elderly Population Japan has the highest elderly population at 34.0% (60+)

Global Statistics

Metric
Japan flag Japan
United States of America flag United States of America
Travel & Mobility
Passport Power visa-free destinations
193
186
Tourist Arrivals per year
25.1M
66.5M
Culture & Prestige
Nobel Laureates all-time
29
411
3-Michelin-Star Restaurants current guide
20
16
UNESCO Heritage Sites inscribed sites
26
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.
Japan flag Japan
United States of America flag United States of America
Cost of Living Index
83.3
71.0
Rent Index
28.5
43.5
Groceries Index
86.2
69.8
Restaurant Price Index
52.0
73.2
Local Purchasing Power
87.0
100.0
Common Expenses Comparison
Meal at Inexpensive Restaurant (USD) $9 $20
Three-Course Meal for 2 (USD) $45 $80
Monthly Rent - City Center (USD) $1,000 $1,950
Monthly Rent - Outside Center (USD) $650 $1,500
Monthly Utilities (USD) $130 $175
Internet (60 Mbps, USD) $35 $68
Monthly Public Transport Pass (USD) $90 $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
Japan
$3,638 2023

Physicians per 1,000

USA
3.7 2022
Japan
2.7 2022

Hospital beds per 1,000

Japan
12.6 2022
USA
2.7 2022

Diabetes prevalence

USA
13.7% 2024
Japan
8.1% 2024

Obesity prevalence

USA
41.0% 2024
Japan
5.9% 2024

Suicide rate per 100k

Japan
17.4 2021
USA
15.6 2021

Want the long view?

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

View Historical Data

Basic Information

Metric Japan United States of America
Population 123366734 341784857
Area (sq km) 377975 9833517
Capital Tokyo Washington, D.C.
Official Language Japanese English (de facto)
Currency Japanese Yen (JPY) United States Dollar (USD)
Government Type Unitary parliamentary constitutional monarchy Federal presidential constitutional republic

Military Strength

Metric Japan United States of America
Active Personnel 247,150 1,347,300
Reserve Personnel 56,000 799,500
Total Military Personnel 303,150 2,146,800
Defense Budget (USD) $49,100,000,000 $816,000,000,000
Tanks 579 6,612
Armored Vehicles 3,137 45,193
Self-Propelled Artillery 166 1,498
Towed Artillery 492 1,339
Rocket Projectors 99 1,366

Economy

Metric Japan United States of America
GDP (USD) $4,435,162,999,977 $30,769,700,000,000
GDP Per Capita (USD) $35,951 $90,027
Unemployment Rate (%) 2.5% 4.2%
GINI Index (Income Inequality) 32.3 41.8
Currency Japanese Yen (JPY) United States Dollar (USD)
Loading current exchange rates…

Interesting Comparisons & Trivia

Did You Know?

United States of America is 26.0 times larger in area than Japan. That's a massive difference!
United States of America has 2.8 times more people than Japan.
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.

Japan vs United States of America: Key Comparisons

Economy: United States of America's GDP of $30.8T is 6.9x larger than Japan's $4.4T — both among the world's largest economies.
Population: United States of America's population of 342M is 2.8x larger than Japan's 123M.
Area: United States of America covers 9,833,517 km², making it 26.0x larger than Japan.
Military: United States of America fields 1.3Million active troops vs Japan's 250Thousand.
Trade: Japan has a trade deficit of $35B while United States of America has a trade deficit of $910B.
Life Expectancy: Japan leads with a life expectancy of 84 years vs United States of America's 79.
Data compiled from World Bank, IMF, Global Firepower, SIPRI, Numbeo, and Pew Research. Last updated August 2026. Sources & methodology