Number of operational nuclear reactors worldwide 1954-2023

Published by Statista Research Department, Aug 5, 2024

At the end of 2023, there were 413 operational nuclear reactors worldwide, with an increase compared to the previous year. In 2023, the construction of six new nuclear power plants began 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.

Number of operational nuclear reactors worldwide from 1954 to 2023

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Release date

July 2024

Region

Worldwide

Survey time period

1954 to 2023

Supplementary notes

This statistic has been assembled using several editions of the report.

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