Deutsche Municipal Income Trust is a closed-ended fixed income mutual fund launched and managed by Deutsche Investment Management Americas, Inc. It invests in U.S. fixed income markets, primarily in investment-grade tax-exempt municipal securities that are exempt from federal income tax. The fund targets securities rated Baa or BBB or better by Moody's or S&P, and benchmarks its performance against the Barclays Municipal Bond Index. It was formerly known as DWS Municipal Income Trust, was formed on October 20, 1988, and is domiciled in the United States.