Number of operable nuclear reactors worldwide 2022, by type
As of May 2022, pressurized light-water moderated and cooled reactors (PWR) was the most common type of nuclear reactor worldwide, with 307 units. This accounted for roughly 70 percent of operable reactors at the time. Boiling light-water cooled and moderated reactors (BWR) followed, with 61 units.
