The United Kingdom constitution – a mapping exercise
A briefing paper which "maps" (or summarises) the main elements of the United Kingdom's uncodified constitution.

Census of the membership, makeup, funding and remuneration arrangements for Overseas Territory legislatures.
UK Overseas Territories legislatures: Census 2023 (388 KB , PDF)
This Commons Library research briefing provides data on the makeup and administration of the 12 legislatures of the UK’s Overseas Territories (OTs): Anguilla, Bermuda, the British Virgin Islands, Cayman Islands, the Falkland Islands, Gibraltar, Montserrat, Pitcairn, St Helena, Ascension and Tristan da Cunha, and the Turks and Caicos Islands.
Data was collected with the support of the Commonwealth Parliamentary Association, the Foreign, Commonwealth and Development Office, and Territory governments and legislatures from September to December 2023.
The briefing includes data on:
The data should be read in conjunction with the Commons Library research briefings on the UK’s OTs and their Governors and The Separation of powers in the UK’s OTs, which provide information on Territory legislatures, the role of appointed members, and their Public Accounts Committees.
Background on the Territories can be found on The Overseas Territories hub page, including the briefing, The UK OTs: An introduction.
The Commonwealth Parliamentary Association (CPA) has also undertaken reports on the administration and independence of three OT legislatures:
In October 2023, the CPA also began an assessment of the Cayman Islands Parliament.
UK Overseas Territories legislatures: Census 2023 (388 KB , PDF)
A briefing paper which "maps" (or summarises) the main elements of the United Kingdom's uncodified constitution.
The UK applies sanctions against Russia. How do they apply in the Overseas Territories? What progress has been made on beneficial ownership registers?
This briefing focuses on the October 2024 agreement between the UK and Mauritius concerning the British Indian Ocean Territory/Chagos Islands and the US/UK military base on Diego Garcia, including the reaction to the agreement, and how it may be scrutinised by Parliament