Federal National Mortgage Association provides financing solutions for mortgages in the United States. It operates through two segments, Single-Family and Multifamily. The Single-Family segment securitizes and purchases single-family fixed-rate or adjustable-rate, first-lien mortgage loans, or mortgage-related securities backed by these loans; and loans that are insured by Federal Housing Administration, loans guaranteed by the Department of Veterans Affairs and Rural Development Housing and Community Facilities Program of the U.S. Department of Agriculture, manufactured housing mortgage loans, and other mortgage-related securities. The Multifamily segment securitizes multifamily mortgage loans into Fannie Mae mortgage backed securities (MBS); purchases multifamily mortgage loans; and provides credit enhancement for bonds issued by state and local housing finance authorities to finance multifamily housing. This segment also issues structured MBS backed by Fannie Mae multifamily MBS; buys and sells multifamily agency mortgage-backed securities; and invests in low-income housing tax credit multifamily projects. Federal National Mortgage Association was founded in 1938 and is based in Washington, the District of Columbia.