Chagos Islands: Sovereignty
The question
To ask the Secretary of State for Defence, with reference to Article 11, Clause 1 of the UK/Mauritius: Agreement concerning the Chagos Archipelago including Diego Garcia [CS Mauritius No.1/2025], what the annual sum paid to Mauritius is in cash terms.
Answered by Luke Pollard
The schedule of payments is set out in the finance exchange of letters that was published alongside the treaty. The estimated average annual payment value is £101 million over the initial 99-year period of the treaty. This has been calculated using the standard formula set out in the Green Book that the government uses for all long-term projects. These calculations have been agreed by the Government Actuary’s Department. The full details are in the Explanatory Memorandum laid alongside the Treaty.
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