Municipal bonds, also known as "munis," are debt securities issued by state and local governments to fund public projects such as schools, roads, and hospitals. Investing in municipal bonds can provide several benefits to investors, such as tax advantages and stable income streams. The tax-exempt status of municipal bonds is one of its main advantages. Federal income taxes and, occasionally, state and municipal taxes are not levied on the interest received on these bonds. When compared to taxable bonds, this may lead to better after-tax returns for investors. Municipal bonds are also known for having low default rates, which makes them a rather safe investment. Retirement investors and other investors looking to protect their cash can rely on their steady income streams as a solid source of income.