Japan vs United States
United States of America
World's largest developed economy with advanced technology and service sectors driving global GDP.
Entrepreneurs, tech professionals, those seeking economic opportunity, businesses requiring global market access, and visitors interested in diverse landscapes and cultural experiences.
VS
Japan
Island nation with advanced economy, highest life expectancy, and world-class infrastructure.
Those prioritizing safety and longevity, professionals in manufacturing/robotics industries, visitors seeking cultural immersion and efficient urban planning, and individuals valuing healthcare accessibility.
Short Answer
The United States has 3.8x larger GDP ($27.4T vs $4.2T), greater military spending ($820B vs $47B), and 3.3x larger population (340M vs 125M), while Japan has higher life expectancy (84.3 vs 78.9 years), lower homicide rate (0.3 vs 4.8 per 100k), and superior public transit infrastructure.
Our Verdict
AI-assistedChoose the United States for economic scale, global geopolitical influence, and diverse natural landscapes across a vast continent. Choose Japan for superior public health outcomes, safer urban environments, world-class public transportation, and cultural heritage. Both are developed nations with distinct strengths: the US dominates economically and militarily, while Japan excels in quality of life, longevity, and urban planning efficiency.
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United States of America8.1
6.9Japan
Choose United States of America if
Entrepreneurs, tech professionals, those seeking economic opportunity, businesses requiring global market access, and visitors interested in diverse landscapes and cultural experiences.
Choose Japan if
Those prioritizing safety and longevity, professionals in manufacturing/robotics industries, visitors seeking cultural immersion and efficient urban planning, and individuals valuing healthcare accessibility.
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Key Differences at a Glance
💵
Gross Domestic Product (GDP): United States of America wins ($27.4 trillion vs $4.2 trillion)
🔹
Life Expectancy at Birth: Japan wins (84.3 years vs 78.9 years)
👥
Population: United States of America wins (340 million vs 125 million)
Key Facts & Figures
| Metric | United States of America | Japan | Diff |
|---|---|---|---|
| Nominal GDP 2026(USD Trillions) | $31.82 trillion | — | — |
| GDP by Purchasing Power Parity 2026(USD trillion) | $31.82 trillion | — | — |
| Global GDP Share (Nominal)(percent) | 22.73% | — | — |
| Per Capita Income Multiplier (Nominal)(ratio) | 6.31x higher | — | — |
| EV Production Market Share(percent) | Emerging leader, <30% | — | — |
| Global Manufacturing Output(%) | ~15% | — | — |
| Combined Global Economic Share (Nominal)(percent) | 42.46% (combined US-China) | — | — |
| Per Capita GDP (Nominal)(USD) | $89,000+ | — | — |
| Global GDP Market Share(Percentage (%)) | 23.6% | — | — |
| Electric Vehicle Production Share(%) | 18% | — | — |
| Solar Panel Production Share(percent) | ~15% | — | — |
| Lithium Iron Phosphate Battery Production(%) | 6% | — | — |
| GDP Growth Rate 2026(%) | 2.5% | — | — |
| Government Expenditure(USD Million) | €10,266.8B | — | — |
| Defense Expenditure(Million Euros) | €925,796.8M | — | — |
| Education Spending Per Capita(EUR) | €3,981 | €1,047 | +280% |
| Global EV Production Share(%) | 20% | — | — |
| Lithium Battery Production Share(%) | 6% | — | — |
| GDP (Purchasing Power Parity)(USD Trillion) | $27.6 trillion | — | — |
| Defense Spending(USD Billion) | $821 billion | — | — |
| Naval Destroyers(Count) | 57 | — | — |
| Combat Helicopters(Count) | 6,300 | — | — |
| Foreign Exchange Reserves(USD Billions) | $130B | — | — |
| PPP-Adjusted GDP 2026(USD Trillions) | $15.29 trillion | — | — |
| GDP Per Capita Nominal(USD) | $94,800 | — | — |
| Projected GDP Growth Rate 2026(percent) | 2.0-2.5% | — | — |
| Global Manufacturing Output Share(%) | ~18% | 7% | +157% |
| Lithium-Ion Battery Production(percent) | 6% | — | — |
| Total GDP (Nominal)(USD Trillion) | $30.1 trillion | $4.2 trillion | +617% |
| Annual GDP Growth Rate (2026)(%) | 2.0–2.5% | — | — |
| Global Solar Panel Manufacturing(%) | <5% | — | — |
| Forecast Unemployment Rate (2026)(%) | 4.5% | — | — |
| Nominal GDP(USD Trillions) | $27.4 trillion | $4.2 trillion | +552% |
| Per Capita GDP(USD) | $76,398 | — | — |
| Global Manufacturing Share(Percent of World) | 16% | — | — |
| Annual Exports (2024)(USD Trillions) | $2.9T | — | — |
| Military Spending(Billion USD) | $820 billion | ~$45 billion | +1722% |
| R&D Spending as % of GDP(Percent) | 3.4% | — | — |
| High-Speed Rail Network(km) | 735 km | — | — |
| Total Land Area(million km²) | 9.8 million km² | — | — |
| Population Density(people/km²) | 36 people/sq mi | — | — |
| Healthcare Per Capita Cost(USD) | $12,914 per capita | — | — |
| Violent Crime Rate(per 100,000 people) | 4.7 per 100k | — | — |
| Gini Coefficient (Inequality)(index (0-1)) | 0.41 | — | — |
| Active Military Personnel(thousands) | 1,290 thousand | — | — |
| Human Development Index(Score 0-1) | 0.921 | 0.920 (Very High) | — |
| Deployed Nuclear Warheads(count) | 1,770 | — | — |
| Total GDP(Billion USD) | $27.4 trillion | — | — |
| Patent Filings (2023)(total filings) | 665,263 | — | — |
| Top 50 Global Universities(count) | 27 universities | — | — |
| Foreign Direct Investment Inflow(billion USD) | $384 billion (2023) | — | — |
| Total Gross Domestic Product(USD Trillion) | $27.3 trillion | — | — |
| Military Expenditure(billion USD) | $820 billion | — | — |
| Annual Patent Filings(Number) | 813 thousand | 289 thousand | +181% |
| Renewable Energy Capacity(Gigawatts) | 290 GW | — | — |
| Physicians per 1,000 People(Ratio) | 4.7 physicians | — | — |
| Gross Domestic Product (Nominal)(USD trillions) | $27.4 trillion | $4.2 trillion | +552% |
| GDP Per Capita(USD) | $83,000 | $33,815 | +145% |
| Military Expenditure (Annual)(USD Billions) | $820 billion | — | — |
| Patent Filings (Annual)(Thousands) | 371.8 | — | — |
| Gross Domestic Product(USD Trillion) | $27.3 trillion | — | — |
| Gross Domestic Product (2024)(USD Trillions) | $27.4 trillion | $4.2 trillion | +552% |
| Life Expectancy at Birth(years) | 78.9 years | 84.3 years | -6% |
| Homicide Rate(Per 100,000 people) | 4.8 | 0.3 | +1500% |
| Military Expenditure (2024)(USD Billions) | $820 billion | $47 billion | +1645% |
| Healthcare Cost per Capita(USD) | $11,945 | $4,849 | +146% |
| Public Transit Ridership(Billion trips annually) | 2.1 billion | 9.8 billion | -79% |
| Annual International Visitor Arrivals(Millions) | 79.3 million | 17.9 million | +343% |
| Share of Global Manufacturing(percent) | 16% | — | — |
| High-Speed Rail Network Length(kilometers) | 735 km | — | — |
| Global AI Research Funding Share(percent) | 61% | — | — |
| Population(millions) | 339 million | 125 million | +171% |
| Life Expectancy(years) | 78.9 years | 84.6 years | -7% |
| Annual CO2 Emissions(billion metric tons) | 5.0 billion | — | — |
| Manufacturing Output(% of global) | 17% | — | — |
| Internet Users(millions) | 312 million | — | — |
| Projected 2026 Nominal GDP(USD Trillions) | $28.5T | — | — |
| Average Annual GDP Growth Rate (2024-2026)(Percent) | 2.25% | — | — |
| GDP Per Capita 2026(USD) | $84,000 | — | — |
| Working Age Population (15-64)(Millions) | 206M | — | — |
| Expected Global GDP Ranking by 2030(Rank) | 1st | — | — |
| Urbanization Rate(Percent of Population) | 82% | — | — |
| GDP(USD trillions) | $4.2 Trillion | $4.2 Trillion | — |
| Total GDP (Nominal 2026)(USD trillion) | $4.2 | $4.2 | — |
| Total Population(billions) | 125 million | 125 million | — |
| Defence Expenditure 2024(EUR billion) | €50.9 billion | €50.9 billion | — |
| Government Health Expenditure(USD Million) | $383,823M | $383,823M | — |
| Oil Import Cost Impact at $126 Brent(% of GDP) | 1.14% | 1.14% | — |
| Global EV Production Market Share(percent) | ~15% | ~15% | — |
| Cost of Living Index(index points) | 47.5 | 47.5 | — |
| Non-Tourist Visa Pathways(number of visas) | 6 pathways | 6 pathways | — |
| GDP Purchasing Power Ranking(global rank) | Rank 14 | Rank 14 | — |
| Population Over 65 Years(Percent) | 28.8% | 28.8% | — |
| Tech Sector Salary Premium(percent above baseline) | Baseline (0%) | Baseline (0%) | — |
| Patent Filings Per Year(thousands) | 281,113 | 281,113 | — |
| Government Debt-to-GDP Ratio(%) | 264% | 264% | — |
| Manufacturing as % of GDP(percent) | 20.1% | 20.1% | — |
| Annual GDP Growth Rate(Percent) | 2.5% | 2.5% | — |
| Foreign Direct Investment Inflow (2024)(USD Billion) | $28 billion | $28 billion | — |
| Global GDP Ranking(Rank) | 3rd | 3rd | — |
| Population Growth Rate(%) | -0.5% | -0.5% | — |
| Average Broadband Speed(Mbps) | 25.6 Mbps | 25.6 Mbps | — |
| 5G Network Coverage(% population) | 96.3% | 96.3% | — |
| Annual Vehicle Production(millions of vehicles) | 11.4 million | 11.4 million | — |
| OLED Display Global Market Share (Leading Company)(% market share) | Samsung 49% | Samsung 49% | — |
| Industrial Robot Density(robots per 10,000 workers) | 932 per 10,000 | 932 per 10,000 | — |
| Per Capita GDP (PPP)(USD) | $47,825 | $47,825 | — |
| Patent Applications Filed (2023)(Thousands) | 286 thousand | 286 thousand | — |
| Manufacturing Share of GDP(Percent) | 20.1% | 20.1% | — |
| Median Age(Years) | 49.5 years | 49.5 years | — |
| Literacy Rate(percent) | 99.0% | 99.0% | — |
| Aging Population (65+)(Percent of Population) | 29.1% | 29.1% | — |
All figures sourced from publicly available data. Last updated Jun 2026.
Key Differences
United States of America
Attribute
Japan
$27.4 trillion🏆
Gross Domestic Product (GDP)
$4.2 trillion
78.9 years
Life Expectancy at Birth
84.3 years🏆
340 million🏆
Population
125 million
$820 billion🏆
Military Expenditure
$47 billion
4.8
Homicide Rate per 100,000
0.3🏆
79.3 million🏆
Annual Visitor Arrivals
17.9 million
2.1 billion
Public Transit Ridership (annual billions)
9.8 billion🏆
Gross Domestic Product (GDP)
United States of America
$27.4 trillion🏆
Japan
$4.2 trillion
Life Expectancy at Birth
United States of America
78.9 years
Japan
84.3 years🏆
Population
United States of America
340 million🏆
Japan
125 million
Military Expenditure
United States of America
$820 billion🏆
Japan
$47 billion
Homicide Rate per 100,000
United States of America
4.8
Japan
0.3🏆
Annual Visitor Arrivals
United States of America
79.3 million🏆
Japan
17.9 million
Public Transit Ridership (annual billions)
United States of America
2.1 billion
Japan
9.8 billion🏆
Full Comparison
| Attribute |  United States of America |  Japan |
|---|---|---|
| Nominal GDP 2026(USD Trillions) | $31.82 trillion | — |
| Nominal GDP(USD Trillions) | $27.4 trillion | $4.2 trillion |
| Projected 2026 Nominal GDP(USD Trillions) | $28.5T | — |
| GDP by Purchasing Power Parity 2026(USD trillion) | $31.82 trillion | — |
| Global GDP Share (Nominal)(percent) | 22.73% | — |
| Per Capita Income Multiplier (Nominal)(ratio) | 6.31x higher | — |
| GDP Per Capita Nominal(USD) | $94,800 | — |
| Per Capita GDP(USD) | $76,398 | — |
| GDP Per Capita(USD) | $83,000 | $33,815 |
| EV Production Market Share(percent) | Emerging leader, <30% | — |
| Annual Vehicle Production(millions of vehicles) | 11.4 million | — |
| Industrial Robot Density(robots per 10,000 workers) | 932 per 10,000 | — |
| Global Manufacturing Output(%) | ~15% | — |
| Combined Global Economic Share (Nominal)(percent) | 42.46% (combined US-China) | — |
| Per Capita GDP (Nominal)(USD) | $89,000+ | — |
| Global GDP Market Share(Percentage (%)) | 23.6% | — |
| Electric Vehicle Production Share(%) | 18% | — |
| Solar Panel Production Share(percent) | ~15% | — |
| Lithium Iron Phosphate Battery Production(%) | 6% | — |
| GDP Growth Rate 2026(%) | 2.5% | — |
| Government Expenditure(USD Million) | €10,266.8B | — |
| Defense Expenditure(Million Euros) | €925,796.8M | — |
| Education Spending Per Capita(EUR) | €3,981 | €1,047 |
| Global EV Production Share(%) | 20% | — |
| Lithium Battery Production Share(%) | 6% | — |
| GDP (Purchasing Power Parity)(USD Trillion) | $27.6 trillion | — |
| Gross Domestic Product (Nominal)(USD trillions) | $27.4 trillion | $4.2 trillion |
| GDP(USD trillions) | $4.2 Trillion | — |
| Cost of Living Index(index points) | 47.5 | — |
| GDP Purchasing Power Ranking(global rank) | Rank 14 | — |
Show 1 more attributeManufacturing Share of GDP(Percent) 20.1% — | ||
| Defense Spending(USD Billion) | $821 billion | — |
| Combat Helicopters(Count) | 6,300 | — |
| Active Military Personnel(thousands) | 1,290 thousand | — |
| Deployed Nuclear Warheads(count) | 1,770 | — |
| Military Expenditure(billion USD) | $820 billion | — |
Show 3 more attributesMilitary Expenditure (Annual)(USD Billions) $820 billion — Military Expenditure (2024)(USD Billions) $820 billion $47 billion Land Military Power Ranking(global capability rank) Lower ranking — | ||
| Naval Destroyers(Count) | 57 | — |
| Foreign Exchange Reserves(USD Billions) | $130B | — |
| Technology Innovation Focus | Advanced semiconductors, AI, quantum computing, defense tech | — |
| Global AI Research Funding Share(percent) | 61% | — |
| Internet Users(millions) | 312 million | — |
| Tech Sector Dominance(Market Leaders) | AI, semiconductors, cloud computing | — |
| OLED Display Global Market Share (Leading Company)(% market share) | Samsung 49% | — |
| PPP-Adjusted GDP 2026(USD Trillions) | $15.29 trillion | — |
| Total GDP (Nominal)(USD Trillion) | $30.1 trillion | $4.2 trillion |
| Total Gross Domestic Product(USD Trillion) | $27.3 trillion | — |
| Total GDP (Nominal 2026)(USD trillion) | $4.2 | — |
| Projected GDP Growth Rate 2026(percent) | 2.0-2.5% | — |
| Annual GDP Growth Rate (2026)(%) | 2.0–2.5% | — |
| Average Annual GDP Growth Rate (2024-2026)(Percent) | 2.25% | — |
| Annual GDP Growth Rate(Percent) | 2.5% | — |
| Global Manufacturing Output Share(%) | ~18% | 7% |
| Lithium-Ion Battery Production(percent) | 6% | — |
| Global Solar Panel Manufacturing(%) | <5% | — |
| Forecast Unemployment Rate (2026)(%) | 4.5% | — |
| Global Manufacturing Share(Percent of World) | 16% | — |
| Annual Exports (2024)(USD Trillions) | $2.9T | — |
| Military Spending(Billion USD) | $820 billion | ~$45 billion |
| R&D Spending as % of GDP(Percent) | 3.4% | — |
| Patent Filings (2023)(total filings) | 665,263 | — |
| Annual Patent Filings(Number) | 813 thousand | 289 thousand |
| Patent Filings (Annual)(Thousands) | 371.8 | — |
| Patent Filings Per Year(thousands) | 281,113 | — |
Show 1 more attributePatent Applications Filed (2023)(Thousands) 286 thousand — | ||
| High-Speed Rail Network(km) | 735 km | — |
| Public Transit Ridership(Billion trips annually) | 2.1 billion | 9.8 billion |
| High-Speed Rail Network Length(kilometers) | 735 km | — |
| Average Broadband Speed(Mbps) | 25.6 Mbps | — |
| Total Land Area(million km²) | 9.8 million km² | — |
| Population Density(people/km²) | 36 people/sq mi | — |
| Population(millions) | 339 million | 125 million |
| Working Age Population (15-64)(Millions) | 206M | — |
| Total Population(billions) | 125 million | — |
| Population Over 65 Years(Percent) | 28.8% | — |
Show 3 more attributesPopulation Growth Rate(%) -0.5% — Median Age(Years) 49.5 years — Aging Population (65+)(Percent of Population) 29.1% — | ||
| Healthcare Per Capita Cost(USD) | $12,914 per capita | — |
| Violent Crime Rate(per 100,000 people) | 4.7 per 100k | — |
| Homicide Rate(Per 100,000 people) | 4.8 | 0.3 |
| Gini Coefficient (Inequality)(index (0-1)) | 0.41 | — |
| Total GDP(Billion USD) | $27.4 trillion | — |
| Gross Domestic Product(USD Trillion) | $27.3 trillion | — |
| Gross Domestic Product (2024)(USD Trillions) | $27.4 trillion | $4.2 trillion |
| Manufacturing Output(% of global) | 17% | — |
| Human Development Index(Score 0-1) | 0.921 | 0.920 (Very High) |
| Urbanization Rate(Percent of Population) | 82% | — |
| Top 50 Global Universities(count) | 27 universities | — |
| Foreign Direct Investment Inflow(billion USD) | $384 billion (2023) | — |
| Renewable Energy Capacity(Gigawatts) | 290 GW | — |
| Physicians per 1,000 People(Ratio) | 4.7 physicians | — |
| Life Expectancy at Birth(years) | 78.9 years | 84.3 years |
| Healthcare Cost per Capita(USD) | $11,945 | $4,849 |
| Life Expectancy(years) | 78.9 years | 84.6 years |
| Annual International Visitor Arrivals(Millions) | 79.3 million | 17.9 million |
| Share of Global Manufacturing(percent) | 16% | — |
| Annual CO2 Emissions(billion metric tons) | 5.0 billion | — |
| GDP Per Capita 2026(USD) | $84,000 | — |
| Expected Global GDP Ranking by 2030(Rank) | 1st | — |
| Defence Expenditure 2024(EUR billion) | €50.9 billion | — |
| Government Health Expenditure(USD Million) | $383,823M | — |
| Oil Import Cost Impact at $126 Brent(% of GDP) | 1.14% | — |
| Global EV Production Market Share(percent) | ~15% | — |
| Non-Tourist Visa Pathways(number of visas) | 6 pathways | — |
| Tech Sector Salary Premium(percent above baseline) | Baseline (0%) | — |
| Government Debt-to-GDP Ratio(%) | 264% | — |
| Manufacturing as % of GDP(percent) | 20.1% | — |
| Foreign Direct Investment Inflow (2024)(USD Billion) | $28 billion | — |
| Global GDP Ranking(Rank) | 3rd | — |
| 5G Network Coverage(% population) | 96.3% | — |
| Per Capita GDP (PPP)(USD) | $47,825 | — |
| Literacy Rate(percent) | 99.0% | — |
United States of AmericaJapanNominal GDP 2026(USD Trillions)
$31.82 trillion
—
Nominal GDP(USD Trillions)
$27.4 trillion
$4.2 trillion
Projected 2026 Nominal GDP(USD Trillions)
$28.5T
—
GDP by Purchasing Power Parity 2026(USD trillion)
$31.82 trillion
—
Global GDP Share (Nominal)(percent)
22.73%
—
Per Capita Income Multiplier (Nominal)(ratio)
6.31x higher
—
GDP Per Capita Nominal(USD)
$94,800
—
Per Capita GDP(USD)
$76,398
—
GDP Per Capita(USD)
$83,000
$33,815
EV Production Market Share(percent)
Emerging leader, <30%
—
Annual Vehicle Production(millions of vehicles)
11.4 million
—
Industrial Robot Density(robots per 10,000 workers)
932 per 10,000
—
Global Manufacturing Output(%)
~15%
—
Combined Global Economic Share (Nominal)(percent)
42.46% (combined US-China)
—
Per Capita GDP (Nominal)(USD)
$89,000+
—
Global GDP Market Share(Percentage (%))
23.6%
—
Electric Vehicle Production Share(%)
18%
—
Solar Panel Production Share(percent)
~15%
—
Lithium Iron Phosphate Battery Production(%)
6%
—
GDP Growth Rate 2026(%)
2.5%
—
Government Expenditure(USD Million)
€10,266.8B
—
Defense Expenditure(Million Euros)
€925,796.8M
—
Education Spending Per Capita(EUR)
€3,981
€1,047
Global EV Production Share(%)
20%
—
Lithium Battery Production Share(%)
6%
—
GDP (Purchasing Power Parity)(USD Trillion)
$27.6 trillion
—
Gross Domestic Product (Nominal)(USD trillions)
$27.4 trillion
$4.2 trillion
GDP(USD trillions)
$4.2 Trillion
—
Cost of Living Index(index points)
47.5
—
GDP Purchasing Power Ranking(global rank)
Rank 14
—
Show 1 more attribute
Manufacturing Share of GDP(Percent)
20.1%
—
Defense Spending(USD Billion)
$821 billion
—
Combat Helicopters(Count)
6,300
—
Active Military Personnel(thousands)
1,290 thousand
—
Deployed Nuclear Warheads(count)
1,770
—
Military Expenditure(billion USD)
$820 billion
—
Show 3 more attributes
Military Expenditure (Annual)(USD Billions)
$820 billion
—
Military Expenditure (2024)(USD Billions)
$820 billion
$47 billion
Land Military Power Ranking(global capability rank)
Lower ranking
—
Naval Destroyers(Count)
57
—
Foreign Exchange Reserves(USD Billions)
$130B
—
Technology Innovation Focus
Advanced semiconductors, AI, quantum computing, defense tech
—
Global AI Research Funding Share(percent)
61%
—
Internet Users(millions)
312 million
—
Tech Sector Dominance(Market Leaders)
AI, semiconductors, cloud computing
—
OLED Display Global Market Share (Leading Company)(% market share)
Samsung 49%
—
PPP-Adjusted GDP 2026(USD Trillions)
$15.29 trillion
—
Total GDP (Nominal)(USD Trillion)
$30.1 trillion
$4.2 trillion
Total Gross Domestic Product(USD Trillion)
$27.3 trillion
—
Total GDP (Nominal 2026)(USD trillion)
$4.2
—
Projected GDP Growth Rate 2026(percent)
2.0-2.5%
—
Annual GDP Growth Rate (2026)(%)
2.0–2.5%
—
Average Annual GDP Growth Rate (2024-2026)(Percent)
2.25%
—
Annual GDP Growth Rate(Percent)
2.5%
—
Global Manufacturing Output Share(%)
~18%
7%
Lithium-Ion Battery Production(percent)
6%
—
Global Solar Panel Manufacturing(%)
<5%
—
Forecast Unemployment Rate (2026)(%)
4.5%
—
Global Manufacturing Share(Percent of World)
16%
—
Annual Exports (2024)(USD Trillions)
$2.9T
—
Military Spending(Billion USD)
$820 billion
~$45 billion
R&D Spending as % of GDP(Percent)
3.4%
—
Patent Filings (2023)(total filings)
665,263
—
Annual Patent Filings(Number)
813 thousand
289 thousand
Patent Filings (Annual)(Thousands)
371.8
—
Patent Filings Per Year(thousands)
281,113
—
Show 1 more attribute
Patent Applications Filed (2023)(Thousands)
286 thousand
—
High-Speed Rail Network(km)
735 km
—
Public Transit Ridership(Billion trips annually)
2.1 billion
9.8 billion
High-Speed Rail Network Length(kilometers)
735 km
—
Average Broadband Speed(Mbps)
25.6 Mbps
—
Total Land Area(million km²)
9.8 million km²
—
Population Density(people/km²)
36 people/sq mi
—
Population(millions)
339 million
125 million
Working Age Population (15-64)(Millions)
206M
—
Total Population(billions)
125 million
—
Population Over 65 Years(Percent)
28.8%
—
Show 3 more attributes
Population Growth Rate(%)
-0.5%
—
Median Age(Years)
49.5 years
—
Aging Population (65+)(Percent of Population)
29.1%
—
Healthcare Per Capita Cost(USD)
$12,914 per capita
—
Violent Crime Rate(per 100,000 people)
4.7 per 100k
—
Homicide Rate(Per 100,000 people)
4.8
0.3
Gini Coefficient (Inequality)(index (0-1))
0.41
—
Total GDP(Billion USD)
$27.4 trillion
—
Gross Domestic Product(USD Trillion)
$27.3 trillion
—
Gross Domestic Product (2024)(USD Trillions)
$27.4 trillion
$4.2 trillion
Manufacturing Output(% of global)
17%
—
Human Development Index(Score 0-1)
0.921
0.920 (Very High)
Urbanization Rate(Percent of Population)
82%
—
Top 50 Global Universities(count)
27 universities
—
Foreign Direct Investment Inflow(billion USD)
$384 billion (2023)
—
Renewable Energy Capacity(Gigawatts)
290 GW
—
Physicians per 1,000 People(Ratio)
4.7 physicians
—
Life Expectancy at Birth(years)
78.9 years
84.3 years
Healthcare Cost per Capita(USD)
$11,945
$4,849
Life Expectancy(years)
78.9 years
84.6 years
Annual International Visitor Arrivals(Millions)
79.3 million
17.9 million
Share of Global Manufacturing(percent)
16%
—
Annual CO2 Emissions(billion metric tons)
5.0 billion
—
GDP Per Capita 2026(USD)
$84,000
—
Expected Global GDP Ranking by 2030(Rank)
1st
—
Defence Expenditure 2024(EUR billion)
€50.9 billion
—
Government Health Expenditure(USD Million)
$383,823M
—
Oil Import Cost Impact at $126 Brent(% of GDP)
1.14%
—
Global EV Production Market Share(percent)
~15%
—
Non-Tourist Visa Pathways(number of visas)
6 pathways
—
Tech Sector Salary Premium(percent above baseline)
Baseline (0%)
—
Government Debt-to-GDP Ratio(%)
264%
—
Manufacturing as % of GDP(percent)
20.1%
—
Foreign Direct Investment Inflow (2024)(USD Billion)
$28 billion
—
Global GDP Ranking(Rank)
3rd
—
5G Network Coverage(% population)
96.3%
—
Per Capita GDP (PPP)(USD)
$47,825
—
Literacy Rate(percent)
99.0%
—
Visual Comparison
Side-by-side comparison of numeric attributes
Pros & Cons
United States of America
5 pros3 cons
Pros
- Largest nominal GDP at $27.4 trillion (27% of global economy)
- Unmatched military spending of $820 billion, 17x larger than Japan's
- World's leading technology and innovation hub with Silicon Valley, top universities (MIT, Stanford, Harvard ranked #1-3 globally)
- Vast natural resources and diverse geography (334M acres of public lands)
- Highest tourism revenue globally at $226 billion annually
Cons
- Life expectancy of 78.9 years, nearly 5 years lower than Japan's 84.3 years
- Homicide rate of 4.8 per 100,000 — 16x higher than Japan's 0.3 per 100,000
- Highest healthcare costs globally with average procedure pricing 2-3x higher than OECD countries
Japan
5 pros3 cons
Pros
- Life expectancy of 84.3 years — the world's highest, exceeding US by 5.4 years
- Homicide rate of 0.3 per 100,000 — among the world's safest nations, 16x lower than US
- Public transit ridership of 9.8 billion annually with 99.9% punctuality (Tokyo subway averages 2.3 minutes late)
- Universal healthcare system with 30% lower per-capita costs than US ($4,849 vs $11,945)
- Manufacturing excellence with robotics, automotive, and electronics (7.5 million industrial robots installed globally)
Cons
- GDP of $4.2 trillion — only 15% of US GDP, limiting economic scale and global influence
- Aging population with 29% over age 65 (vs 17% in US), creating fiscal challenges
- Limited natural resources requiring heavy imports (100% reliant on foreign fossil fuels)
Frequently Asked Questions
The United States has a significantly stronger overall economy with a GDP of $27.4 trillion compared to Japan's $4.2 trillion. The US economy is 6.5x larger and represents approximately 27% of global GDP, giving it greater economic influence and capacity for large-scale investment. However, Japan has higher per-capita income ($41,400 vs $81,000 when adjusted for purchasing power parity), indicating more equitable wealth distribution.
Resources & Learn More
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Last updated: June 23, 2026AI generated