In 2025, Japan sold USD 12.9 billion of goods to United Kingdom and bought USD 8.93 billion from it. The DESTA database lists 3 trade agreements that include both countries, the most recent being Comprehensive and Progressive Agreement for Transpacific Partnership (CPTPP) UK accession (2023). Both are members of the G20, the G7 and the OECD. Their agreement score in UN General Assembly voting was 82 percent in 2023, and 82 percent on average over 2019 to 2023.
Benefits
BothTrade in goods runs both ways in similar amounts: Japan sold USD 12.9 billion and United Kingdom sold USD 8.93 billion in 2025.
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.
BothComprehensive and Progressive Agreement for Transpacific Partnership (CPTPP) UK accession, signed 2023.
Constraints
BothFlows are one-sided: in 2025, Japan sold USD 85.1 million of mineral fuels and oils, against USD 13.3 million the other way.
BothFlows are one-sided: in 2025, United Kingdom sold USD 70.4 million of critical minerals and metals, against USD 9.5 million the other way.
BothFlows are one-sided: in 2025, United Kingdom sold USD 634 million of agricultural and food products, against USD 115 million the other way.