The US economy is nearly 4 times larger than Japan's at $27.4 trillion GDP versus $4.2 trillion, making it the world's largest economy, while Japan ranks third globally. The US maintains higher growth rates and economic dynamism, while Japan experiences demographic challenges and slower expansion despite technological leadership.
US Economy vs Japan Economy — Side-by-side comparison on A Versus B
World's largest economy with $27.4 trillion GDP and 2.7% annual growth.
World's third-largest economy at $4.2 trillion with advanced manufacturing and technology sectors.
GDP (2024). GDP per Capita. Real GDP Growth Rate (2024). Unemployment Rate (2024). National Debt as % of GDP. Population. Inflation Rate (2024)
Choose the US economy if evaluating global economic dominance, growth potential, and innovation dynamism—it's the largest economy with faster growth and stronger consumer spending. Choose Japan's economy if prioritizing fiscal discipline in debt management relative to growth, lower unemployment, and technological manufacturing excellence in semiconductors and robotics.
United States Economy: $30.0-30.5 trillion | Japan Economy: N/A
United States Economy: 17% | Japan Economy: N/A
United States Economy: ~6% | Japan Economy: N/A
United States Economy: ~16% | Japan Economy: N/A
United States Economy: ~3.8-4.0% | Japan Economy: N/A
Advanced Semiconductor Market Leadership
United States Economy: Dominant (Intel, TSMC partnership, Samsung); controls cutting-edge nodes | Japan Economy: N/A
United States Economy: 20-25% | Japan Economy: N/A
United States Economy: Global leader in design and manufacturing | Japan Economy: N/A
United States Economy: Moderate exposure | Japan Economy: N/A
United States Economy: 2.2% | Japan Economy: N/A
United States Economy: $925.8 billion | Japan Economy: N/A
United States Economy: $4.18 trillion (2024) | Japan Economy: N/A
United States Economy: 0.3-0.5% | Japan Economy: N/A
United States Economy: 30.0+ | Japan Economy: N/A
United States Economy: $4,175 billion | Japan Economy: N/A
United States Economy: $4,481 | Japan Economy: N/A
United States Economy: ~20% | Japan Economy: N/A
United States Economy: 6% | Japan Economy: N/A
United States Economy: Leading edge (3nm and below) | Japan Economy: N/A
United States Economy: Minimal negative impact | Japan Economy: N/A
United States Economy: ~10% | Japan Economy: N/A
United States Economy: Leading in design and manufacturing | Japan Economy: N/A
United States Economy: Minimal (exporter advantage) | Japan Economy: N/A
United States Economy: 2.0-2.5% | Japan Economy: N/A
United States Economy: €925.8 billion | Japan Economy: N/A
United States Economy: 25-30% of global EVs | Japan Economy: N/A
United States Economy: 8-10% | Japan Economy: N/A
United States Economy: ~4.0% | Japan Economy: N/A
United States Economy: $310 billion | Japan Economy: N/A
United States Economy: $4,175,432 million (2024) | Japan Economy: N/A
United States Economy: €925,796.8 million | Japan Economy: N/A
United States Economy: $89,000 | Japan Economy: N/A
United States Economy: $10,266.8 | Japan Economy: N/A
United States Economy: $925.8 | Japan Economy: N/A
United States Economy: Global market leader | Japan Economy: N/A
United States Economy: Lower exposure | Japan Economy: N/A
United States Economy: ~6% of global | Japan Economy: N/A
United States Economy: Minimal | Japan Economy: N/A
United States Economy: 0.4-0.6% | Japan Economy: N/A
Lithium Iron Phosphate Battery Production
United States Economy: ~15% | Japan Economy: N/A
United States Economy: $89,000+ | Japan Economy: N/A
United States Economy: 9% | Japan Economy: N/A
United States Economy: 0.2-0.4pp | Japan Economy: N/A
United States Economy: 0.3-0.5% (from AI investment) | Japan Economy: N/A
Lithium Iron Phosphate Battery Production Share
United States Economy: 4% | Japan Economy: N/A
United States Economy: 15% | Japan Economy: N/A
United States Economy: 12% | Japan Economy: N/A
United States Economy: $50-150B | Japan Economy: N/A
United States Economy: $31.5 trillion | Japan Economy: N/A
United States Economy: 2.1% | Japan Economy: N/A
United States Economy: 1st | Japan Economy: N/A
United States Economy: 126% | Japan Economy: 260%
United States Economy: 335 million | Japan Economy: 125 million
United States Economy: $809 billion | Japan Economy: N/A
United States Economy: AI, semiconductors, cloud, fintech | Japan Economy: N/A
United States Economy: $35,000-45,000 | Japan Economy: N/A
United States Economy: $94,430 | Japan Economy: N/A
United States Economy: $94,430 | Japan Economy: $32,500
United States Economy: $11.1 trillion ahead | Japan Economy: N/A
United States Economy: Data not available | Japan Economy: N/A
United States Economy: ~25-26% of global GDP | Japan Economy: N/A
United States Economy: 1st (maintained) | Japan Economy: N/A
United States Economy: ~1.8% | Japan Economy: N/A
United States Economy: 26.2% | Japan Economy: N/A
United States Economy: Not specified | Japan Economy: N/A
United States Economy: $28.0 trillion | Japan Economy: N/A
United States Economy: $85,000 | Japan Economy: N/A
United States Economy: $27.4 trillion | Japan Economy: $4.2 trillion
United States Economy: €10,217,935.3 million | Japan Economy: N/A
United States Economy: $3,981 | Japan Economy: N/A
United States Economy: 44.5 | Japan Economy: N/A
United States Economy: ~2.8% | Japan Economy: N/A
United States Economy: 1 EUR = 1.1797 USD | Japan Economy: N/A
United States Economy: 2.0-2.4% | Japan Economy: N/A
United States Economy: 2.0% | Japan Economy: N/A
United States Economy: $96,500+ | Japan Economy: N/A
United States Economy: $11.53 trillion lead | Japan Economy: N/A
United States Economy: $27.23 trillion | Japan Economy: N/A
United States Economy: 122.27% | Japan Economy: N/A
United States Economy: 37.74% | Japan Economy: N/A
United States Economy: 3.5% | Japan Economy: N/A
United States Economy: 336 million | Japan Economy: 124 million
United States Economy: 2.8% | Japan Economy: 2.6%
United States Economy: 11.8% | Japan Economy: 19.3%
United States Economy: 25.5% | Japan Economy: 3.9%
United States Economy: 38.5 years | Japan Economy: 48.7 years
United States Economy: $27.4 trillion | Japan Economy: N/A
United States Economy: 4.2% | Japan Economy: N/A
United States Economy: 2.9% | Japan Economy: N/A
United States Economy: $156 billion | Japan Economy: N/A
United States Economy: 167 companies | Japan Economy: N/A
United States Economy: 11.2% | Japan Economy: N/A
United States Economy: $27.4T | Japan Economy: N/A
United States Economy: $82,000 | Japan Economy: N/A
United States Economy: $0.13T | Japan Economy: N/A
United States Economy: 4.1% | Japan Economy: N/A
United States Economy: $15.2T (Apple, Microsoft, Google, Amazon, Nvidia, Tesla, Broadcom) | Japan Economy: N/A
United States Economy: 38.9 years | Japan Economy: N/A
United States Economy: $2.1 trillion | Japan Economy: N/A
United States Economy: $82,200 | Japan Economy: $31,600
United States Economy: 2.8% | Japan Economy: 1.4%
United States Economy: $2.4 trillion | Japan Economy: N/A
United States Economy: $285 billion (2023) | Japan Economy: N/A
United States Economy: $82,500 | Japan Economy: $32,100
United States Economy: 4.1% | Japan Economy: 2.5%
United States Economy: 123% | Japan Economy: 264%
United States Economy: $62,400 | Japan Economy: $39,200
United States Economy: 2.8% | Japan Economy: 2.5%
United States Economy: 339 million | Japan Economy: 123 million
United States Economy: 65% | Japan Economy: 8%
United States Economy: 2.5% | Japan Economy: N/A
United States Economy: $87,000 | Japan Economy: N/A
United States Economy: $0.13 trillion | Japan Economy: $1,300 billion
United States Economy: 129% | Japan Economy: N/A
United States Economy: $2.1 trillion | Japan Economy: $925 billion
United States Economy: $80,412 | Japan Economy: N/A
United States Economy: 16.3% | Japan Economy: N/A
United States Economy: $12.8 trillion | Japan Economy: N/A
United States Economy: 21% of electricity | Japan Economy: N/A
United States Economy: $28.7 trillion | Japan Economy: $4.2 trillion
United States Economy: 135 companies | Japan Economy: N/A
United States Economy: 123% | Japan Economy: N/A
United States Economy: 2.7% | Japan Economy: 1.0%
United States Economy: 11% | Japan Economy: N/A
United States Economy: 80.1% | Japan Economy: N/A
United States Economy: $346 billion | Japan Economy: N/A
United States Economy: $31.2 trillion | Japan Economy: N/A
United States Economy: 16% | Japan Economy: 8%
United States Economy: -$73 billion deficit | Japan Economy: N/A
United States Economy: 16% | Japan Economy: N/A
United States Economy: $-$73 billion | Japan Economy: N/A
United States Economy: $2.3T | Japan Economy: N/A
United States Economy: 11.5% | Japan Economy: N/A
United States Economy: $820 billion | Japan Economy: N/A
United States Economy: 615,000 | Japan Economy: N/A
United States Economy: 8.2% | Japan Economy: N/A
United States Economy: -$773 billion (deficit) | Japan Economy: N/A
United States Economy: $285 billion | Japan Economy: N/A
United States Economy: -$73.1 billion | Japan Economy: N/A
United States Economy: +0.4% (growing) | Japan Economy: N/A
United States Economy: $27.9 trillion | Japan Economy: N/A
United States Economy: $68,420 | Japan Economy: N/A
United States Economy: 0.38 million | Japan Economy: N/A
United States Economy: 9.8% | Japan Economy: N/A
United States Economy: $42.8 trillion | Japan Economy: N/A
United States Economy: 16.5% | Japan Economy: N/A
United States Economy: $7.1 trillion | Japan Economy: N/A
United States Economy: 11.8% | Japan Economy: N/A
Foreign Direct Investment Inflows (2024)
United States Economy: $285B | Japan Economy: N/A
United States Economy: 63.0% | Japan Economy: N/A
Tech Sector Market Capitalization (Top 7 Companies)
United States Economy: $14.2 trillion | Japan Economy: N/A
Average Annual GDP Growth Rate (2010-2023)
United States Economy: 2.4% | Japan Economy: N/A
United States Economy: $28.2 trillion | Japan Economy: N/A
United States Economy: 26% of world GDP | Japan Economy: N/A
United States Economy: 0.41 | Japan Economy: N/A
United States Economy: 17.3% | Japan Economy: N/A
United States Economy: -$773 billion | Japan Economy: +$229B
United States Economy: 3.2% | Japan Economy: 2.8%
United States Economy: 398,144 | Japan Economy: N/A
United States Economy: $329 billion | Japan Economy: N/A
United States Economy: 170 million workers | Japan Economy: N/A
United States Economy: $28.7 trillion | Japan Economy: N/A
United States Economy: $285 billion | Japan Economy: $136 billion
United States Economy: $12.4 trillion | Japan Economy: N/A
United States Economy: 2.6% | Japan Economy: N/A
United States Economy: $130 billion | Japan Economy: N/A
United States Economy: $76,398 | Japan Economy: N/A
United States Economy: 11.2% | Japan Economy: 18.9%
United States Economy: 415,000 | Japan Economy: N/A
United States Economy: $45.2 trillion | Japan Economy: $5.2 trillion
United States Economy: $120,000 | Japan Economy: N/A
United States Economy: $76,500 | Japan Economy: N/A
United States Economy: 680 GW | Japan Economy: N/A
United States Economy: 32.4% | Japan Economy: N/A
United States Economy: 16.9% | Japan Economy: N/A
United States Economy: 21.6% | Japan Economy: N/A
United States Economy: 16% | Japan Economy: 7.2%
United States Economy: $12.5 trillion | Japan Economy: N/A
United States Economy: $32 trillion | Japan Economy: N/A
United States Economy: 80% | Japan Economy: N/A
United States Economy: 26% | Japan Economy: N/A
United States Economy: 31% | Japan Economy: N/A
United States Economy: $189 billion | Japan Economy: N/A
United States Economy: 3.9% | Japan Economy: 2.5%
United States Economy: 3.4% | Japan Economy: N/A
United States Economy: 2.1% | Japan Economy: 1.2%
United States Economy: $7.25 | Japan Economy: N/A
United States Economy: $68.40 | Japan Economy: N/A
United States Economy: $119 billion | Japan Economy: N/A
Annual GDP Growth Rate (2020-2026 Average)
United States Economy: 195 companies | Japan Economy: N/A
United States Economy: 38 years | Japan Economy: 49 years
United States Economy: 285,000 | Japan Economy: N/A
United States Economy: 18% | Japan Economy: N/A
United States Economy: 0.84 million | Japan Economy: N/A
United States Economy: 13.3% | Japan Economy: N/A
United States Economy: 129% | Japan Economy: 264%
United States Economy: $840 billion | Japan Economy: N/A
United States Economy: 12.3% | Japan Economy: N/A
United States Economy: $81,045 | Japan Economy: $31,546
United States Economy: 2.8% | Japan Economy: N/A
United States Economy: 26.4% | Japan Economy: N/A
United States Economy: $83,250 | Japan Economy: N/A
United States Economy: $7.2 trillion | Japan Economy: N/A
United States Economy: $28.2T | Japan Economy: N/A
United States Economy: 11.4% | Japan Economy: N/A
United States Economy: 3.45% | Japan Economy: N/A
United States Economy: 0.34 billion | Japan Economy: N/A
United States Economy: 21% | Japan Economy: N/A
United States Economy: 1.8% | Japan Economy: N/A
United States Economy: 8.1% | Japan Economy: N/A
United States Economy: 127% | Japan Economy: N/A
Foreign Direct Investment Inflows (Annual)
United States Economy: N/A | Japan Economy: $13.2 billion
United States Economy: N/A | Japan Economy: 20% (high-tech focused)
United States Economy: N/A | Japan Economy: 28%
United States Economy: N/A | Japan Economy: $26 billion
United States Economy: N/A | Japan Economy: 310,000
United States Economy: N/A | Japan Economy: 4th largest exporter
United States Economy: N/A | Japan Economy: $824 billion
United States Economy: N/A | Japan Economy: 1.8%
United States Economy: N/A | Japan Economy: 2.4%
How to choose between United States Economy and Japan Economy
Compare United States Economy vs Japan Economy
US Economy vs Japan Economy — Structured Comparison Data
Machine-readable comparison dataset for US Economy vs Japan Economy. Contains 305 attribute comparisons, 5 FAQ pairs.
US Economy vs Japan Economy — Attribute Category Vocabulary
Taxonomy of attribute categories used to classify comparison data for US Economy vs Japan Economy.
Why is the US economy so much larger than Japan's?
The US economy is 6.5 times larger primarily due to a population nearly 3 times bigger (335M vs 125M), higher GDP per capita ($82,200 vs $31,600), and faster growth rates (2.7% vs 1.0%). The US has greater economic diversity across multiple sectors, while Japan's growth has been constrained by demographic decline and an aging population.
Japan has significantly more government debt relative to its economy at 260% of GDP compared to the US at 126%. However, Japan maintains this high debt burden due to low interest rates and strong domestic savings, while the US is seeing growing debt service costs as interest rates have risen. Both levels are unsustainable long-term without fiscal reforms.
Japan's economy is not declining in absolute terms—GDP remains stable—but it is stagnating with average growth of only 1.0% annually over the past 5 years. The primary challenge is a shrinking population (declining since 2010) and aging workforce, which limits economic expansion. Japan maintains technological leadership but lacks the growth dynamism of the US.
Japan has lower unemployment at 2.5% compared to the US at 3.9%, reflecting very low job turnover and lifetime employment practices. However, this masks underemployment and wage stagnation in Japan, whereas US unemployment figures include more structural labor market churn despite higher nominal rates.
The US leads in AI and software innovation (producing 38% of global AI patents), while Japan dominates in robotics (52% of industrial robot market), semiconductors (22% global chip market share), and advanced manufacturing. The US focuses on disruptive innovation; Japan excels in precision engineering and incremental improvement.
How to Choose Between United States Economy and Japan Economy
GDP (2024): United States Economy has $27.4 trillion, while Japan Economy has $4.2 trillion.
GDP per Capita: United States Economy has $82,200, while Japan Economy has $31,600.
Real GDP Growth Rate (2024): United States Economy has 2.7%, while Japan Economy has 1.0%.
Unemployment Rate (2024): United States Economy has 3.9%, while Japan Economy has 2.5%.
National Debt as % of GDP: United States Economy has 126%, while Japan Economy has 260%.
Population: United States Economy has 335 million, while Japan Economy has 125 million.
Inflation Rate (2024): United States Economy has 3.2%, while Japan Economy has 2.8%.