The United Kingdom became a member of the International Bank for Reconstruction and Development (IBRD) — the World Bank — in December 1945 and played a crucial role in helping found both the Bank and the International Monetary Fund. The UK holds 3.80% of voting power in IBRD, where it is represented by a government appointed Executive Director.

The United Kingdom partners with the World Bank Group to develop policies on a wide range of issues, such as economic growth and mobilizing private capital to help address the climate crisis, health threats, and humanitarian emergencies. They also work to create stability and growth to support millions of people in the world’s poorest countries.

The UK is also a member of the International Development Association (IDA—the World Bank’s fund for the poorest countries—which it joined in 1960; the International Finance Corporation (IFC) since 1956; the Multilateral Investment Guarantee Agency (MIGA) since 1988; and the International Centre for Settlement of Investment Disputes (ICSID) as of 1967.