economy
US GDP vs Japan GDP 2024: $27.4T vs $4.2T
The US GDP of $27.4 trillion (2024) is approximately 2.7 times larger than Japan's $4.2 trillion, making the US the world's largest economy by a significant margin. This gap reflects the US population being 2.5 times larger, higher per-capita productivity, and greater technological innovation sectors.
United States GDP
World's largest nominal economy with $27.4 trillion in total output (2024)
Investors seeking exposure to global economic growth, tech innovation, consumer markets, and world economic leadership trends
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VS
JG
Japan GDP
World's third-largest economy with $4.2 trillion GDP focused on advanced manufacturing and robotics
Investors analyzing manufacturing efficiency, robotics automation trends, aging economies, and companies seeking advanced production technology partnerships
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Quick Answer
AI SummaryThe US GDP of $27.4 trillion (2024) is approximately 2.7 times larger than Japan's $4.2 trillion, making the US the world's largest economy by a significant margin. This gap reflects the US population being 2.5 times larger, higher per-capita productivity, and greater technological innovation sectors.
Our Verdict
AI-assistedThe US economy is substantially larger with greater growth momentum, higher per-capita income, and dominant tech sector influence. Choose the US economy for analyzing global economic leadership, tech innovation impact, and consumer spending power. Choose Japan's economy if studying advanced manufacturing efficiency, demographic challenges, or developed-nation stagnation patterns.
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United States GDP
9/10
Japan GDP
6/10
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Key Differences at a Glance
- Total GDP (2024):✓ United States GDP wins($27.4 trillion vs $4.2 trillion)
- GDP Per Capita (2024):✓ United States GDP wins($81,858 vs $63,902)
- Annual GDP Growth Rate (2024):✓ United States GDP wins(2.5% vs 1.0%)
Key Facts & Figures
77 numeric metrics compared
| Metric | United States GDP | Japan GDP | Ratio |
|---|---|---|---|
| Total GDP (Nominal)(USD Trillion) | $30+ trillion | — | — |
| Total GDP (PPP)(trillion USD) | $30 trillion | — | — |
| Projected GDP Growth 2026(%) | 2.0-2.5% | — | — |
| Defence Expenditure 2024(EUR billion) | $925.8 billion | — | — |
| Government Health Expenditure 2023-2024(USD Billion) | $4,175.4 billion | — | — |
| Education Expenditure Per Capita(USD) | €3,981 | — | — |
| Global EV Production Share(%) | 15-20% | — | — |
| Projected GDP Growth Rate 2026(percent) | 2.0-2.5% | — | — |
| Solar Panel Production Share(percent) | 5-8% | — | — |
| Nominal GDP 2026(trillion USD) | $31.821 trillion | — | — |
| GDP Growth Rate 2026(%) | 2.1-2.5% | — | — |
| Per Capita Income (Nominal)(USD) | $89,000+ | — | — |
| Global GDP Share (Nominal)(percent) | 23.64% | — | — |
| EV Production Share(% of global) | ~20% | — | — |
| Lithium Battery Production Share(%) | ~6% | — | — |
| Tariff Impact Risk on GDP(Percentage Points) | 0-0.5% | — | — |
| Total GDP (2026)(trillion USD) | $30+ | — | — |
| GDP Growth Rate (2026)(%) | 2.5-2.7% | — | — |
| Per Capita GDP (2026)(USD) | $89,000+ | — | — |
| Defense Expenditure (2024)(EUR Billion) | €925.8 billion | — | — |
| Government Health Expenditure (2024)(billion USD) | $4,175.4 billion | — | — |
| Education Expenditure Per Capita (2023)(EUR) | €3,981 | — | — |
| Global Solar Panel Production(%) | 10-15% | — | — |
| Total Nominal GDP 2026(USD Trillion) | $31.82 trillion | — | — |
| Annual Growth Rate 2026(%) | 2.1% | — | — |
| Q1 2026 Annualized Growth(%) | 2.0% | — | — |
| Share of World Economy(%) | 28-30% | — | — |
| Nominal GDP Growth Q4 2025 to Q1 2026(USD Billions) | $433.731 billion annualized | — | — |
| Number of Component Economies(count) | 1 (United States) | — | — |
| Largest Economy Ranking(rank) | #1 globally | — | — |
| Real GDP 2026 Projection(USD Trillion) | $31.8 trillion (real) | — | — |
| Total Nominal GDP(USD trillions) | $27.4 trillion | $4.2 trillion | |
| Real GDP Growth Rate (2024)(percent) | 2.5% | 1.0% | |
| National Debt(trillion USD) | $34 trillion | $11.1 trillion | |
| Manufacturing Sector Share(% of GDP) | 11.8% | 19.2% | |
| Tech Sector Share(percent of GDP) | 11.2% | 8.7% | |
| Annual Growth Rate(%) | 2.7% | — | — |
| Services Sector Share(percent of GDP) | 80% | — | — |
| Technology/IT Sector Contribution(% of GDP) | 12.1% | — | — |
| Global Economic Share(%) | 26% | 4.0% | |
| Number of Top 100 Companies(companies) | 60 companies | — | — |
| Total GDP(trillion USD) | $27.4 trillion | — | — |
| Per Capita GDP(USD) | $81,285 | — | — |
| Nominal GDP (2024)(USD trillion) | $27.4 trillion | — | — |
| PPP-Adjusted GDP (2024)(USD trillion) | $27.4 trillion | — | — |
| Annual GDP Growth Rate (2020-2024)(%) | 2.5% | — | — |
| GDP Per Capita (Nominal)(USD) | $82,450 | — | — |
| GDP Per Capita (PPP-Adjusted)(USD) | $82,450 | — | — |
| Manufacturing Sector (% of GDP)(%) | 11.2% | — | — |
| Technology & IT Services (% of GDP)(%) | 12.5% | — | — |
| Foreign Exchange Reserves(USD trillions) | $0.14 trillion | — | — |
| Nominal GDP(USD trillion) | $27.4 trillion | — | — |
| Annual GDP Growth Rate(%) | 2.7% | — | — |
| PPP-Adjusted GDP(USD trillion) | $27.9 trillion | — | — |
| Global Currency Reserve Share(percent) | 82% | — | — |
| World Trade Share(Percent (%)) | 8.1% | — | — |
| National Debt to GDP Ratio(%) | 130% | — | — |
| Nominal GDP (2026 estimate)(USD trillions) | $28.9 trillion | — | — |
| Real GDP Growth Rate(% annually) | 2.1% | — | — |
| Manufacturing Output(USD trillion) | $2.1 trillion | — | — |
| Technology/IT Sector Share(% of GDP) | 12.1% | — | — |
| Government Debt-to-GDP Ratio(%) | 123% | — | — |
| Foreign Direct Investment (FDI)(USD billions (2025)) | $285 billion | — | — |
| Population(millions) | 336 million | 122 million | |
| Total GDP 2026(USD Trillions) | $28.7 trillion | — | — |
| GDP Per Capita(USD) | $85,400 | $63,902 | |
| Annual Growth Rate (2021-2026 avg)(% per year) | 2.1% | — | — |
| Technology/IT Sector Revenue(USD Trillions) | $1.8 trillion | — | — |
| Share of Global GDP(% of world economy) | 32.8% | — | — |
| Nominal GDP 2024(USD Trillions) | $27.4 trillion | — | — |
| GDP by Purchasing Power Parity 2024(USD Trillions) | $27.9 trillion | — | — |
| GDP Per Capita 2024(USD) | $81,695 | — | — |
| Annual GDP Growth Rate 2024(Percent (%)) | 2.5% | — | — |
| Global Manufacturing Output Share(percent) | 15% | — | — |
| Population 2024(Billions) | 0.339 billion | — | — |
| Services Sector Share of GDP(Percent (%)) | 79% | — | — |
| Fortune 500 Companies(Count) | 135 companies | — | — |
Sourced from publicly available data ·
Key Differences
7 attributes compared head-to-head
United States GDP leads
JG
1Japan GDPUnited States GDP
Attribute
Japan GDP
- $27.4 trillion(winner)Total GDP (2024)$4.2 trillion
- $81,858(winner)GDP Per Capita (2024)$63,902
- 2.5%(winner)Annual GDP Growth Rate (2024)1.0%
- 335 million(winner)Population (2024)122 million
- 11.2%(winner)Tech Sector % of GDP (2024)8.7%
- 11.5%Manufacturing % of GDP (2024)19.2%(winner)
- 26.1%(winner)World Economic Share % (2024)4.0%
- Total GDP (2024)
United States GDP
$27.4 trillion(winner)
Japan GDP
$4.2 trillion
- GDP Per Capita (2024)
United States GDP
$81,858(winner)
Japan GDP
$63,902
- Annual GDP Growth Rate (2024)
United States GDP
2.5%(winner)
Japan GDP
1.0%
- Population (2024)
United States GDP
335 million(winner)
Japan GDP
122 million
- Tech Sector % of GDP (2024)
United States GDP
11.2%(winner)
Japan GDP
8.7%
- Manufacturing % of GDP (2024)
United States GDP
11.5%
Japan GDP
19.2%(winner)
- World Economic Share % (2024)
United States GDP
26.1%(winner)
Japan GDP
4.0%
Full Comparison
| Attribute | United States GDP | Japan GDP |
|---|---|---|
| Total GDP (Nominal)(USD Trillion) | $30+ trillion | — |
| Per Capita GDP (2026)(USD) | $89,000+ | — |
| Total Nominal GDP(USD trillions) | $27.4 trillion(winner) | $4.2 trillion |
| Total GDP(trillion USD) | $27.4 trillion | — |
| Nominal GDP (2024)(USD trillion) | $27.4 trillion | — |
Show 1 more attributeTotal GDP 2026(USD Trillions) $28.7 trillion — | ||
| Total GDP (PPP)(trillion USD) | $30 trillion | — |
| Total GDP (2026)(trillion USD) | $30+ | — |
| Total Nominal GDP 2026(USD Trillion) | $31.82 trillion | — |
| PPP-Adjusted GDP(USD trillion) | $27.9 trillion | — |
| Nominal GDP (2026 estimate)(USD trillions) | $28.9 trillion | — |
Show 1 more attributeNominal GDP 2024(USD Trillions) $27.4 trillion — | ||
| Projected GDP Growth 2026(%) | 2.0-2.5% | — |
| Projected GDP Growth Rate 2026(percent) | 2.0-2.5% | — |
| Annual Growth Rate 2026(%) | 2.1% | — |
| Annual GDP Growth Rate(%) | 2.7% | — |
| Defence Expenditure 2024(EUR billion) | $925.8 billion | — |
| Government Health Expenditure 2023-2024(USD Billion) | $4,175.4 billion | — |
| Government Health Expenditure (2024)(billion USD) | $4,175.4 billion | — |
| Education Expenditure Per Capita (2023)(EUR) | €3,981 | — |
| Education Expenditure Per Capita(USD) | €3,981 | — |
| Global EV Production Share(%) | 15-20% | — |
| Solar Panel Production Share(percent) | 5-8% | — |
| Economic Transparency & Stability(qualitative) | Market-driven; highly transparent | — |
| Nominal GDP 2026(trillion USD) | $31.821 trillion | — |
| GDP Growth Rate 2026(%) | 2.1-2.5% | — |
| Per Capita Income (Nominal)(USD) | $89,000+ | — |
| Per Capita GDP(USD) | $81,285 | — |
| GDP Per Capita (Nominal)(USD) | $82,450 | — |
| Global GDP Share (Nominal)(percent) | 23.64% | — |
| Global Economic Share(%) | 26%(winner) | 4.0% |
| Share of Global GDP(% of world economy) | 32.8% | — |
| EV Production Share(% of global) | ~20% | — |
| Lithium Battery Production Share(%) | ~6% | — |
| Tariff Impact Risk on GDP(Percentage Points) | 0-0.5% | — |
| GDP Growth Rate (2026)(%) | 2.5-2.7% | — |
| Real GDP Growth Rate (2024)(percent) | 2.5%(winner) | 1.0% |
| Annual GDP Growth Rate (2020-2024)(%) | 2.5% | — |
| Defense Expenditure (2024)(EUR Billion) | €925.8 billion | — |
| Global Solar Panel Production(%) | 10-15% | — |
| Q1 2026 Annualized Growth(%) | 2.0% | — |
| Share of World Economy(%) | 28-30% | — |
| Nominal GDP Growth Q4 2025 to Q1 2026(USD Billions) | $433.731 billion annualized | — |
| Number of Component Economies(count) | 1 (United States) | — |
| Largest Economy Ranking(rank) | #1 globally | — |
| Real GDP 2026 Projection(USD Trillion) | $31.8 trillion (real) | — |
| National Debt(trillion USD) | $34 trillion | $11.1 trillion(winner) |
| National Debt to GDP Ratio(%) | 130% | — |
| Government Debt-to-GDP Ratio(%) | 123% | — |
| Manufacturing Sector Share(% of GDP) | 11.8% | 19.2% |
| Tech Sector Share(percent of GDP) | 11.2% | 8.7% |
| Services Sector Share(percent of GDP) | 80% | — |
| Manufacturing Sector (% of GDP)(%) | 11.2% | — |
| Technology & IT Services (% of GDP)(%) | 12.5% | — |
Show 2 more attributesTechnology/IT Sector Share(% of GDP) 12.1% — Services Sector Share of GDP(Percent (%)) 79% — | ||
| Annual Growth Rate(%) | 2.7% | — |
| Annual GDP Growth Rate 2024(Percent (%)) | 2.5% | — |
| Technology/IT Sector Contribution(% of GDP) | 12.1% | — |
| Number of Top 100 Companies(companies) | 60 companies | — |
| PPP-Adjusted GDP (2024)(USD trillion) | $27.4 trillion | — |
| GDP Per Capita (PPP-Adjusted)(USD) | $82,450 | — |
| Foreign Exchange Reserves(USD trillions) | $0.14 trillion | — |
| Nominal GDP(USD trillion) | $27.4 trillion | — |
| Global Currency Reserve Share(percent) | 82% | — |
| World Trade Share(Percent (%)) | 8.1% | — |
| Real GDP Growth Rate(% annually) | 2.1% | — |
| Manufacturing Output(USD trillion) | $2.1 trillion | — |
| Foreign Direct Investment (FDI)(USD billions (2025)) | $285 billion | — |
| Population(millions) | 336 million | 122 million |
| Population 2024(Billions) | 0.339 billion | — |
| GDP Per Capita(USD) | $85,400(winner) | $63,902 |
| Annual Growth Rate (2021-2026 avg)(% per year) | 2.1% | — |
| Technology/IT Sector Revenue(USD Trillions) | $1.8 trillion | — |
| GDP by Purchasing Power Parity 2024(USD Trillions) | $27.9 trillion | — |
| GDP Per Capita 2024(USD) | $81,695 | — |
| Global Manufacturing Output Share(percent) | 15% | — |
| Fortune 500 Companies(Count) | 135 companies | — |
United States GDPJJapan GDP
Total GDP (Nominal)(USD Trillion)
$30+ trillion
—
Per Capita GDP (2026)(USD)
$89,000+
—
Total Nominal GDP(USD trillions)
$27.4 trillion
$4.2 trillion
Total GDP(trillion USD)
$27.4 trillion
—
Nominal GDP (2024)(USD trillion)
$27.4 trillion
—
Show 1 more attribute
Total GDP 2026(USD Trillions)
$28.7 trillion
—
Total GDP (PPP)(trillion USD)
$30 trillion
—
Total GDP (2026)(trillion USD)
$30+
—
Total Nominal GDP 2026(USD Trillion)
$31.82 trillion
—
PPP-Adjusted GDP(USD trillion)
$27.9 trillion
—
Nominal GDP (2026 estimate)(USD trillions)
$28.9 trillion
—
Show 1 more attribute
Nominal GDP 2024(USD Trillions)
$27.4 trillion
—
Projected GDP Growth 2026(%)
2.0-2.5%
—
Projected GDP Growth Rate 2026(percent)
2.0-2.5%
—
Annual Growth Rate 2026(%)
2.1%
—
Annual GDP Growth Rate(%)
2.7%
—
Defence Expenditure 2024(EUR billion)
$925.8 billion
—
Government Health Expenditure 2023-2024(USD Billion)
$4,175.4 billion
—
Government Health Expenditure (2024)(billion USD)
$4,175.4 billion
—
Education Expenditure Per Capita (2023)(EUR)
€3,981
—
Education Expenditure Per Capita(USD)
€3,981
—
Global EV Production Share(%)
15-20%
—
Solar Panel Production Share(percent)
5-8%
—
Economic Transparency & Stability(qualitative)
Market-driven; highly transparent
—
Nominal GDP 2026(trillion USD)
$31.821 trillion
—
GDP Growth Rate 2026(%)
2.1-2.5%
—
Per Capita Income (Nominal)(USD)
$89,000+
—
Per Capita GDP(USD)
$81,285
—
GDP Per Capita (Nominal)(USD)
$82,450
—
Global GDP Share (Nominal)(percent)
23.64%
—
Global Economic Share(%)
26%
4.0%
Share of Global GDP(% of world economy)
32.8%
—
EV Production Share(% of global)
~20%
—
Lithium Battery Production Share(%)
~6%
—
Tariff Impact Risk on GDP(Percentage Points)
0-0.5%
—
GDP Growth Rate (2026)(%)
2.5-2.7%
—
Real GDP Growth Rate (2024)(percent)
2.5%
1.0%
Annual GDP Growth Rate (2020-2024)(%)
2.5%
—
Defense Expenditure (2024)(EUR Billion)
€925.8 billion
—
Global Solar Panel Production(%)
10-15%
—
Q1 2026 Annualized Growth(%)
2.0%
—
Share of World Economy(%)
28-30%
—
Nominal GDP Growth Q4 2025 to Q1 2026(USD Billions)
$433.731 billion annualized
—
Number of Component Economies(count)
1 (United States)
—
Largest Economy Ranking(rank)
#1 globally
—
Real GDP 2026 Projection(USD Trillion)
$31.8 trillion (real)
—
National Debt(trillion USD)
$34 trillion
$11.1 trillion
National Debt to GDP Ratio(%)
130%
—
Government Debt-to-GDP Ratio(%)
123%
—
Manufacturing Sector Share(% of GDP)
11.8%
19.2%
Tech Sector Share(percent of GDP)
11.2%
8.7%
Services Sector Share(percent of GDP)
80%
—
Manufacturing Sector (% of GDP)(%)
11.2%
—
Technology & IT Services (% of GDP)(%)
12.5%
—
Show 2 more attributes
Technology/IT Sector Share(% of GDP)
12.1%
—
Services Sector Share of GDP(Percent (%))
79%
—
Annual Growth Rate(%)
2.7%
—
Annual GDP Growth Rate 2024(Percent (%))
2.5%
—
Technology/IT Sector Contribution(% of GDP)
12.1%
—
Number of Top 100 Companies(companies)
60 companies
—
PPP-Adjusted GDP (2024)(USD trillion)
$27.4 trillion
—
GDP Per Capita (PPP-Adjusted)(USD)
$82,450
—
Foreign Exchange Reserves(USD trillions)
$0.14 trillion
—
Nominal GDP(USD trillion)
$27.4 trillion
—
Global Currency Reserve Share(percent)
82%
—
World Trade Share(Percent (%))
8.1%
—
Real GDP Growth Rate(% annually)
2.1%
—
Manufacturing Output(USD trillion)
$2.1 trillion
—
Foreign Direct Investment (FDI)(USD billions (2025))
$285 billion
—
Population(millions)
336 million
122 million
Population 2024(Billions)
0.339 billion
—
GDP Per Capita(USD)
$85,400
$63,902
Annual Growth Rate (2021-2026 avg)(% per year)
2.1%
—
Technology/IT Sector Revenue(USD Trillions)
$1.8 trillion
—
GDP by Purchasing Power Parity 2024(USD Trillions)
$27.9 trillion
—
GDP Per Capita 2024(USD)
$81,695
—
Global Manufacturing Output Share(percent)
15%
—
Fortune 500 Companies(Count)
135 companies
—
Pros & Cons
10 pros·4 cons across both
JG
United States GDP
+5-2
Pros
- Largest nominal GDP at $27.4 trillion (2024), nearly 3x Japan's size
- Highest GDP per capita at $81,858, reflecting strong individual productivity
- Tech sector represents 11.2% of GDP with dominance in AI, software, and semiconductors
- Consistent 2.5% annual growth rate outpaces Japan's 1.0%
- Largest consumer market with $14.3 trillion in personal consumption spending
Cons
- High national debt at $34 trillion (127% of GDP), highest among developed nations
- Income inequality with Gini coefficient of 0.41, higher than Japan's 0.32
JG
Japan GDP
+5-2
Pros
- Advanced manufacturing dominance with 19.2% of GDP from industrial production vs US 11.5%
- Robotic automation leads globally with 355,000 industrial robots (47% of worldwide)
- Lower debt-to-GDP ratio at 264% though high in absolute terms due to domestic lending structure
- Higher savings rate at 10.1% vs US 3.4%, indicating strong household financial discipline
- Global leader in automotive with Toyota, Honda, Nissan producing 11.3 million vehicles annually
Cons
- Persistent low growth rate of 1.0% annually, stagnant for two decades
- Severe demographic decline with population shrinking 0.5% yearly, workforce declining 1.2%
Frequently Asked Questions
5 questions
The US GDP is 6.5 times larger primarily due to: (1) population difference of 335M vs 122M, (2) higher per-capita productivity at $81,858 vs $63,902, (3) larger tech sector contributing 11.2% of GDP vs 8.7%, and (4) consistent 2.5% growth vs Japan's 1.0%. The US also has greater consumption-driven growth with personal spending at $14.3 trillion annually.
Resources & Learn More
Curated sources to dive deeper
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