The United States now leads global nuclear electricity generation, producing more power from its reactors than any other country. China ranks second in the same measure, while France holds the third position. A set of reports released in 2026 permits a side‑by‑side comparison with the previous year’s output. These documents show where nuclear energy production is occurring across the world. According to the Ember database, Russia is listed fourth in nuclear electricity generation. The data provides a clear view of the current hierarchy among the top nuclear power producers.