Current status of the world’s nuclear reactors

Number of nuclear reactors by year that construction started, coloured by 2023 status

Decommissioned

Shut down

Suspended

Operational

Under construction

Europe and central Asia

30

Calder Hall, UK

1953, 1955

20

10

0

50s

60s

70s

80s

90s

00s

10s

North America

30

20

10

0

50s

60s

70s

80s

90s

00s

10s

East Asia and Pacific

20

10

0

50s

60s

70s

80s

90s

00s

10s

Other

20

10

0

50s

60s

70s

80s

90s

00s

10s

Decommissioned

Shut down

Suspended

Operational

Under construction

Europe and central Asia

30

Calder Hall, UK

1953, 1955

20

10

0

1950s

60s

70s

80s

90s

2000s

2010s

North America

30

20

10

0

1950s

60s

70s

80s

90s

2000s

2010s

East Asia and Pacific

20

10

0

1950s

60s

70s

80s

90s

2000s

2010s

Other

20

10

0

1950s

60s

70s

80s

90s

2000s

2010s