TL;DR
By IMF 2025 nominal GDP estimates, the US (~$30T) leads, followed by China (~$19T), Germany, Japan, and India. By purchasing power parity (PPP), China is #1.
Nominal GDP (IMF 2025 estimates)
| Rank | Country | GDP (approx.) |
|---|---|---|
| 1 | United States | $30T |
| 2 | China | $19T |
| 3 | Germany | $4.9T |
| 4 | Japan | $4.4T |
| 5 | India | $4.3T |
| 6 | United Kingdom | $3.9T |
Takeaways
- The US and China form the top tier, roughly 1.5x apart.
- India's nominal GDP now approaches Japan's, with the fastest growth.
- FX swings affect nominal rankings; PPP is better for comparing real size.
Sources
- IMF World Economic Outlook (2025 estimates)