Treaty of Rarotonga
Pacific states prohibited nuclear weapons and testing in a region marked by the harms of foreign nuclear programmes.
- When
- 1985–1986 and subsequent protocols
- Where
- South Pacific

Pacific states prohibited nuclear weapons and testing in a region marked by the harms of foreign nuclear programmes.
Background
A region used for nuclear testing
Pacific communities had experienced displacement, contamination and political exclusion through nuclear programmes conducted by larger powers. Regional opposition linked environmental protection with self-determination. The treaty gave governments a collective instrument for rejecting nuclear weapons on their territories.[1]
What happened
- 1985–1986
Agreement and entry into force
The South Pacific Nuclear Free Zone Treaty was adopted at Rarotonga in 1985 and entered into force in 1986. It prohibited parties from acquiring nuclear explosive devices and included restrictions on testing and radioactive waste disposal.[2]
Impact & evidence
Testing and waste as well as arsenals
The agreement addressed regional exposure to nuclear activities, not merely the ownership of bombs. Its provisions still require careful reading: rules governing weapons, territory and visits are not identical, and the treaty did not turn the entire Pacific Ocean into territory controlled by its parties.[1]
Aftermath & legacy
External commitments followed later
Protocols sought commitments from nuclear powers and states responsible for territories within the zone. The United States, United Kingdom and France signed protocols in 1996, an important diplomatic step that must be distinguished from ratification. Regional activism and the experiences of affected island communities remain central to the treaty's history.[3]
Sources & image credits (3)
- Wikipedia — Treaty of Rarotonga ↗
- United Nations Treaty Collection: Treaty of Rarotonga ↗
- United Nations: signing of the treaty protocols, 1996 ↗
Original uploader: JWB Image source ↗




