The nominal GDP gap between the United States and China exceeds $11 trillion as of 2026, with the US at roughly $31.82 trillion and China at approximately $20.65 trillion according to IMF and Worldometer data. This is not a narrow margin — it represents a difference larger than the entire economy of Japan, the world's fourth-largest economy.
China's growth is real but slowing. The IMF projects China's 2026 growth at 4.5% following an upward revision tied to a US-China trade truce, while the World Bank estimates 4.4% for the same year. Even at these rates, the arithmetic of closing an $11 trillion gap within a few years is not feasible — the US economy continues to grow in absolute terms as well.
Major financial institutions have consistently pushed back their forecasts for when China might overtake the US. Goldman Sachs places the crossover around 2035, Citi projects the mid-2030s, and CEBR — which once forecast a 2030 overtake — has revised its own estimate to 2036. Structural headwinds for China, including a shrinking workforce and declining productivity growth, further explain why the gap is expected to persist well into the next decade.