Multilateral Development Banks Comparison Report 2026
Global Risk and Finance Forum / Asian Development Bank
Multilateral institutions
Inter-American Development Bank
ShareholderInternational · Latin America and the Caribbean
The UK is a non-borrowing member and shareholder of the IDB, which works principally with the region's public sector. IDB Invest is a separate institution and UK shareholding.
- UK ownership or participation
- Minority shareholder; capital percentage not yet verified · 31 December 2025
- Lead department or body
- Foreign, Commonwealth & Development Office
- UK voting rights
- 0.964% of votes · 31 December 2025
- Mandate
- Development finance
UK financial position
FCDO investment carrying value£303.513m31 March 2026
Accounting value; distinct from capital subscription.
Underlying source ↗UK paid-in subscribed capitalUS$58.1m31 December 2025
Excludes additional paid-in capital shown separately.
Underlying source ↗UK additional paid-in capitalUS$98.6m31 December 2025
Separate category in the bank's capital table; does not affect voting power.
Underlying source ↗UK callable subscribed capitalUS$1,588.0m31 December 2025
Callable obligation rather than cash already paid.
Underlying source ↗Accounting values, paid-in capital and funding commitments have different meanings and reporting dates. These figures are not added together.
Ownership and accountability
FCDO records the investment. The UK participates in the bank's multilateral governance through its Board of Governors and executive representation.
Research hub
7 publications relevant to IDB · Institution-specific research shown first
MDB Joint Methodologies for Measuring Mobilisation and Private Finance for Development
MDB Task Force on Mobilization / EDFI
Mobilising Private Capital for Growth, Resilience and Prosperity
OECD
News and announcements
View in News and announcements →- Development banks revise how they measure mobilisation and private finance ↗
BII, through EDFI, and UK-backed multilateral banks are covered by a new joint methodology package. It updates mobilisation rules and adds a separate generation measure for institution-backed finance; work on catalysation continues. The guides require these different indicators to remain separate. No new UK financial commitment is announced.
View in Research hub → - OECD examines how shareholders can strengthen private capital mobilisation ↗
New OECD research examines mandates, risk frameworks and staff incentives across development banks and DFIs, including BII and UK-backed multilaterals. It argues that mobilisation targets need to account for additionality and harder markets.
View in Research hub → - UK and Canada seed IDB Caribbean multi-donor fund ↗
The IDB announces approximately US$13m of combined initial contributions from Canada and the UK for regional resilience, security, private-sector development and food security. The UK contribution is not separately specified.