The following are usually classified as the main MDBs:
There are also several "Sub-Regional" Multilateral Development Banks. Their membership typically includes only borrowing nations. The banks borrow from and lend to their members. These banks include:
There are also several Multilateral Financial Institutions (MFIs). MFI's are similar to MDBs but they are sometimes separated since they have more limited memberships and often focus on financing certain types of projects.