The United States currently leads in nuclear energy production, boasting the largest number of operating reactors. France, however, holds the distinction of having the highest share of electricity generated by nuclear power, relying heavily on this source for its energy needs. Other leading countries in nuclear energy include China, Russia, and South Korea, which have been actively expanding their nuclear power capacities in recent years. These countries, along with several others in Europe and Asia, play a significant role in the global nuclear energy landscape.