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Strategic Lens

Nuclear and space: Japan and United Kingdom

First country

Second country

In 2025, United Kingdom sold USD 137 million of nuclear materials, reactors and spacecraft to Japan.

Benefits

  • BothTwo-way trade in nuclear materials, reactors and spacecraft grew about 21 times, from USD 6.5 million in 2019 to USD 137 million in 2025.

Constraints

  • BothFlows are one-sided: in 2025, United Kingdom sold USD 137 million of nuclear materials, reactors and spacecraft, and Japan sold almost none.

Sources: UN Comtrade (public preview API), annual goods trade, HS classification (retrieved 26 September 2026)

Last updated on 26 September 2026

The numbers

Japan's exports to United Kingdom: nuclear materials, reactors and spacecraft

USD million · 2019 to 2024, calendar years, as reported by Japan

2019: 0Low 0 / High 19.62024: 19.6

20190
20201.2
202118
202219.6
202314.2
202419.6

Sources: UN Comtrade (public preview API), annual goods trade, HS classification (retrieved 26 September 2026)

Data retrieved 26 September 2026

Japan's imports from United Kingdom: nuclear materials, reactors and spacecraft

USD million · 2019 to 2025, calendar years, as reported by Japan

2019: 6.5Low 3.2 / High 1372025: 137

20196.5
20204.7
20213.8
20223.2
20233.3
202474.3
2025137

Sources: UN Comtrade (public preview API), annual goods trade, HS classification (retrieved 26 September 2026)

Data retrieved 26 September 2026

← Japan and United Kingdom