MFS Government Markets Income Trust is a close ended fixed income mutual fund launched and managed by Massachusetts Financial Services Company. The fund invests in the fixed income markets of United States. It primarily invests in investment grade debt instruments. The fund also invests in mortgage backed, U.S. government agencies, international sovereigns, U.S. treasuries, cash and other net assets, emerging markets debt, high grade corporates, and residential mortgage backed securities. It benchmarks the performance of its portfolio against the Barclays U.S. Government/Mortgage Bond Index. MFS Government Markets Income Trust was formed in May 28, 1987 and is domiciled in the United States.