Japan vs Germany
Side-by-side economic and demographic comparison · 2026 data · Source: IMF & World Bank
Japan and Germany are the world's fourth and third largest economies — remarkably similar in GDP, both export-driven manufacturing powerhouses, and both facing severe demographic challenges. Japan's population peaked in 2008 and Germany's working-age population is declining despite immigration. Both countries have world-class automotive industries (Toyota, Honda, Nissan vs. Volkswagen, BMW, Mercedes), strong mittelstand/SME manufacturing sectors, and cultures that prize engineering excellence. Germany's recent energy crisis (losing cheap Russian gas) mirrors Japan's post-Fukushima energy challenges — both had to rapidly restructure their energy systems.
Japan has a GDP of $4.38T compared to Germany's $5.45T, making it 1.2x smaller. Japan's population is 123.4M vs Germany's 83.5M. Across 12 key indicators, Germany leads in 7 categories. All data sourced from the IMF World Economic Outlook and World Bank World Development Indicators.
| Indicator |  Japan |  Germany |
|---|---|---|
| GDP (USD) | $4.38T | $5.45T✓ |
| GDP per Capita | $35,703 | $65,303✓ |
| GDP Growth (%) | 0.7% | 0.8%✓ |
| GDP per Capita (PPP) | $59,207 | $76,747✓ |
| Population | 123.4M✓ | 83.5M |
| Life Expectancy | 84.0 years✓ | 80.8 years |
| Inflation (%) | 2.2%✓ | 2.7% |
| Unemployment (%) | 2.5%✓ | 3.9% |
| Govt Debt (% GDP) | 204.4% | 64.6%✓ |
| Fertility Rate | 1.1 | 1.4✓ |
| Gini Index | 32.3✓ | 33.7 |
| CO₂ per Capita (t) | 7.8 | 6.9✓ |
Summary
Japan has a GDP of $4.38T compared to Germany's $5.45T, making the latter economy 1.2x larger. In terms of population, Japan has 123.4M people while Germany has 83.5M. Across the 12 indicators compared, Japan leads in 5 and Germany leads in 7.
Why sources report different numbers
The IMF, World Bank and United Nations each publish these series on their own release schedule. Where their figures differ, the reason is usually visible in the reference year rather than in the methodology.
| Source | Japan | Germany |
|---|---|---|
| IMF | $4.38T2026 | $5.45T2026 |
| World Bank | $4.44T2025 | $5.05T2025 |
| United Nations | $4.03T2024 | $4.66T2024 |
These are not the same reference year. IMF publishes 2026 and United Nations publishes 2024 — each is the latest that publisher has released, on its own schedule. A figure for a year still in progress is a projection rather than an outturn. Japan spans about 10% across 1 year; Germany spans about 17% across 2 years.
| Source | Japan | Germany |
|---|---|---|
| IMF | $35,7032026 | $65,3032026 |
| World Bank | $35,9512025 | $60,4962025 |
| United Nations | $32,5342024 | $55,1132024 |
These are not the same reference year. IMF publishes 2026 and United Nations publishes 2024 — each is the latest that publisher has released, on its own schedule. A figure for a year still in progress is a projection rather than an outturn. Japan spans about 11% across 1 year; Germany spans about 18% across 2 years.
Figures are reproduced as published by each source, converted to a common unit, with each publisher's own reference year shown. Differences are described, not adjudicated — no source is presented as more correct than another.