The CIA World Factbook Edition 2025, the latest with this field Energy

Nuclear energy In 3 editions of 36.

Nuclear energy was published in 3 editions of the CIA World Factbook, from 2023 to 2025. The 2025 edition carries it in 41 entries, in its Energy section. Every entry is shown as that edition published it.

entries in the 2025 edition
41
the first edition with it
2023
the latest edition with it
2025

Published as “Nuclear energy” (2023 to 2025).

the entry has the field in that editionnot in that editionthe open editionEach entry below ends in its editions with Nuclear energy, 1990 to 2025. Point at a year above to follow it down; choose one in a row to read that edition’s text there.

Edition 2025

Every edition with Nuclear energy

Entries with Nuclear energy in each edition

19902000201020202025

Select a bar to open that edition.

World

1 entry

World

Number of operational nuclear reactors:
416 (2025)
Number of nuclear reactors under construction:
62 (2025)
Net capacity of operational nuclear reactors:
376.59GW (2025)
Number of nuclear reactors permanently shut down:
214 (2025)

Africa

2 entries

Egypt

Number of nuclear reactors under construction:
4 (2025)

South Africa

Number of operational nuclear reactors:
2 (2025)
Net capacity of operational nuclear reactors:
1.85GW (2025 est.)
Percent of total electricity production:
4.4% (2023 est.)

Asia

9 entries

Armenia

Number of operational nuclear reactors:
1 (2025)
Net capacity of operational nuclear reactors:
0.42GW (2025 est.)
Percent of total electricity production:
31.1% (2023 est.)
Number of nuclear reactors permanently shut down:
1 (2025)

Bangladesh

Number of nuclear reactors under construction:
2 (2025)

China

Number of operational nuclear reactors:
57 (2025)
Number of nuclear reactors under construction:
28 (2025)
Net capacity of operational nuclear reactors:
55.32GW (2025 est.)
Percent of total electricity production:
4.9% (2023 est.)

India

Number of operational nuclear reactors:
20 (2025)
Number of nuclear reactors under construction:
7 (2025)
Net capacity of operational nuclear reactors:
6.92GW (2025 est.)
Percent of total electricity production:
3.1% (2023 est.)

Japan

Number of operational nuclear reactors:
14 (2025)
Number of nuclear reactors under construction:
2 (2025)
Net capacity of operational nuclear reactors:
12.63GW (2025 est.)
Percent of total electricity production:
5.5% (2023 est.)
Number of nuclear reactors permanently shut down:
27 (2025)

Kazakhstan

Number of nuclear reactors permanently shut down:
1 (2025)

Korea, South now South Korea

Number of operational nuclear reactors:
26 (2025)
Number of nuclear reactors under construction:
2 (2025)
Net capacity of operational nuclear reactors:
25.57GW (2025 est.)
Percent of total electricity production:
30.7% (2023 est.)
Number of nuclear reactors permanently shut down:
2 (2025)

Pakistan

Number of operational nuclear reactors:
6 (2025)
Number of nuclear reactors under construction:
1 (2025)
Net capacity of operational nuclear reactors:
3.26GW (2025 est.)
Percent of total electricity production:
17.4% (2023 est.)
Number of nuclear reactors permanently shut down:
1 (2025)

Russia

Number of operational nuclear reactors:
36 (2025)
Number of nuclear reactors under construction:
4 (2025)
Net capacity of operational nuclear reactors:
26.8GW (2025 est.)
Percent of total electricity production:
18.4% (2023 est.)
Number of nuclear reactors permanently shut down:
11 (2025)

Europe

20 entries

Belarus

Number of operational nuclear reactors:
2 (2025)
Net capacity of operational nuclear reactors:
2.22GW (2025 est.)
Percent of total electricity production:
28.6% (2023 est.)

Belgium

Number of operational nuclear reactors:
4 (2025)
Net capacity of operational nuclear reactors:
3.46GW (2025 est.)
Percent of total electricity production:
41.2% (2023 est.)
Number of nuclear reactors permanently shut down:
3 (2025)

Bulgaria

Number of operational nuclear reactors:
2 (2025)
Net capacity of operational nuclear reactors:
2.01GW (2025 est.)
Percent of total electricity production:
40.3% (2023 est.)
Number of nuclear reactors permanently shut down:
4 (2025)

Czechia

Number of operational nuclear reactors:
6 (2025)
Net capacity of operational nuclear reactors:
3.96GW (2025 est.)
Percent of total electricity production:
40% (2023 est.)

European Union

Number of operational nuclear reactors:
100 (2025)
Number of nuclear reactors under construction:
1 (2025)
Net capacity of operational nuclear reactors:
97.63GW (2025 est.)
Number of nuclear reactors permanently shut down:
75 (2025)

Finland

Number of operational nuclear reactors:
5 (2025)
Net capacity of operational nuclear reactors:
4.37GW (2025 est.)
Percent of total electricity production:
42% (2025 est.)

France

Number of operational nuclear reactors:
57 (2025)
Net capacity of operational nuclear reactors:
61.37GW (2025 est.)
Percent of total electricity production:
64.8% (2023 est.)
Number of nuclear reactors permanently shut down:
14 (2025)

Germany

Percent of total electricity production:
1.4% (2023 est.)
Number of nuclear reactors permanently shut down:
33 (2025)

Hungary

Number of operational nuclear reactors:
4 (2025)
Net capacity of operational nuclear reactors:
1.92GW (2025 est.)
Percent of total electricity production:
48.8% (2023 est.)

Italy

Number of nuclear reactors permanently shut down:
4 (2025)

Lithuania

Number of nuclear reactors permanently shut down:
2 (2025)

Netherlands

Number of operational nuclear reactors:
1 (2025)
Net capacity of operational nuclear reactors:
0.48GW (2025 est.)
Percent of total electricity production:
3.2% (2023 est.)
Number of nuclear reactors permanently shut down:
1 (2025)

Romania

Number of operational nuclear reactors:
2 (2025)
Net capacity of operational nuclear reactors:
1.3GW (2025 est.)
Percent of total electricity production:
18.9% (2023 est.)

Slovakia

Number of operational nuclear reactors:
5 (2025)
Number of nuclear reactors under construction:
1 (2025)
Net capacity of operational nuclear reactors:
2.3GW (2025 est.)
Percent of total electricity production:
61.3% (2023 est.)
Number of nuclear reactors permanently shut down:
3 (2025)

Slovenia

Number of operational nuclear reactors:
1 (2025)
Net capacity of operational nuclear reactors:
0.7GW (2025 est.)
Percent of total electricity production:
36.8% (2023 est.)

Spain

Number of operational nuclear reactors:
7 (2025)
Net capacity of operational nuclear reactors:
7.12GW (2025 est.)
Percent of total electricity production:
20.3% (2023 est.)
Number of nuclear reactors permanently shut down:
3 (2025)

Sweden

Number of operational nuclear reactors:
6 (2025)
Net capacity of operational nuclear reactors:
7.01GW (2025 est.)
Percent of total electricity production:
28.6% (2023 est.)
Number of nuclear reactors permanently shut down:
7 (2025)

Switzerland

Number of operational nuclear reactors:
4 (2025)
Net capacity of operational nuclear reactors:
2.97GW (2025 est.)
Percent of total electricity production:
32.4% (2023 est.)
Number of nuclear reactors permanently shut down:
2 (2025)

Ukraine

Number of operational nuclear reactors:
15 (2025)
Number of nuclear reactors under construction:
2 (2025)
Net capacity of operational nuclear reactors:
13.11GW (2025 est.)
Percent of total electricity production:
55% (2023 est.)
Number of nuclear reactors permanently shut down:
4 (2025)

United Kingdom

Number of operational nuclear reactors:
9 (2025)
Number of nuclear reactors under construction:
2 (2025)
Net capacity of operational nuclear reactors:
5.88GW (2025 est.)
Percent of total electricity production:
12.5% (2023 est.)
Number of nuclear reactors permanently shut down:
36 (2025)

Middle East

3 entries

Iran

Number of operational nuclear reactors:
1 (2025)
Number of nuclear reactors under construction:
1 (2025)
Net capacity of operational nuclear reactors:
0.92GW (2025 est.)
Percent of total electricity production:
1.7% (2023 est.)

Turkey (Turkiye) now Turkiye

Number of nuclear reactors under construction:
4 (2025)

United Arab Emirates

Number of operational nuclear reactors:
4 (2025)
Net capacity of operational nuclear reactors:
5.35GW (2025 est.)
Percent of total electricity production:
19.7% (2023 est.)

North America

3 entries

Canada

Number of operational nuclear reactors:
17 (2025)
Net capacity of operational nuclear reactors:
12.71GW (2025 est.)
Percent of total electricity production:
13.7% (2023 est.)
Number of nuclear reactors permanently shut down:
8 (2025)

Mexico

Number of operational nuclear reactors:
2 (2025)
Net capacity of operational nuclear reactors:
1.55GW (2025 est.)
Percent of total electricity production:
4.9% (2023 est.)

United States

Number of operational nuclear reactors:
94 (2025)
Net capacity of operational nuclear reactors:
96.95GW (2025 est.)
Percent of total electricity production:
18.5% (2023 est.)
Number of nuclear reactors permanently shut down:
41 (2025)

South America

2 entries

Argentina

Number of operational nuclear reactors:
3 (2025)
Number of nuclear reactors under construction:
1 (2025)
Net capacity of operational nuclear reactors:
1.64GW (2025 est.)
Percent of total electricity production:
6.3% (2023 est.)

Brazil

Number of operational nuclear reactors:
2 (2025)
Number of nuclear reactors under construction:
1 (2025)
Net capacity of operational nuclear reactors:
1.88GW (2025 est.)
Percent of total electricity production:
2.2% (2023 est.)

Southeast Asia

1 entry

Taiwan

Number of operational nuclear reactors:
1 (2025)
Net capacity of operational nuclear reactors:
0.94GW (2025 est.)
Percent of total electricity production:
6.9% (2023 est.)
Number of nuclear reactors permanently shut down:
5 (2025)

Cite this page

Central Intelligence Agency. The World Factbook 2025, “Nuclear energy”, all entries. Archived by The Factbook, thefactbook.org/fields/nuclear-energy.

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