Number of operational nuclear reactors worldwide 1954-2019
By the end of 2019, there were 443 operational nuclear reactors worldwide. That year, the construction of five new nuclear power plants was started globally.
In 1959 there were just 11 operable reactors, and within 30 years the number had shot up to 420. Since 1989, reactor numbers have remained relatively stable, peaking at 450 in 2018.
In 1959 there were just 11 operable reactors, and within 30 years the number had shot up to 420. Since 1989, reactor numbers have remained relatively stable, peaking at 450 in 2018.
