<font face="Verdana, Arial, Helvetica, sans-serif" size="2">The organizations that make up the World Bank Group are owned by the governments of member nations, which have the ultimate decision-making power within the organizations on all matters, be they policy, financial, or membership issues.

In the case the International Bank for Reconstruction and Development (IBRD), there are 184 member countries, nearly all the countries of the world. The International Development Association (IDA) has 164 members, the International Finance Corporation has 176 members, the Multilateral Investment Guarantee Agency has 164 members, and the International Centre for the Settlement of Investment Disputes has 140 members. </font>