Tax-Exempt Bond

« Back to Glossary Index

Tax-exempt bonds are debt securities issued by governmental entities, the interest income from which is exempt from federal income tax and, in some cases, state and local taxes.

Understanding Tax-Exempt Bonds

Definition

Tax-exempt bonds are fixed-income instruments that allow investors to earn interest that is not subject to federal taxation. They are primarily issued to fund public projects such as schools, highways, and hospitals.

Types of Tax-Exempt Bonds

There are two main types of tax-exempt bonds:

  • Municipal Bonds: Issued by state and local governments.
  • Private Activity Bonds: Issued by local or state governments on behalf of private entities, which may also qualify for tax exemption under certain conditions.

Why Investors Choose Tax-Exempt Bonds

Investors may opt for tax-exempt bonds for several reasons:

  • Tax Benefits: The primary advantage is the tax-free status of interest earned, making these bonds attractive for investors in higher tax brackets.
  • Safety: Municipal bonds are generally considered safe investments, especially those backed by government entities.
  • Steady Income: These bonds provide a predictable income stream through regular interest payments.

Example of a Tax-Exempt Bond

Suppose a state government issues a municipal bond with a face value of $10,000 and an interest rate of 4%, maturing in 10 years. The interest income from this bond will not be subject to federal income tax.

Calculation of Interest Income

To calculate the interest income earned from this tax-exempt bond, use the following formula:

Interest Income = Face Value × Interest Rate × Number of Years

Using the above example:

  • Face Value = $10,000
  • Interest Rate = 4% (0.04)
  • Number of Years = 10

Calculating the Interest:

Interest Income = $10,000 × 0.04 × 10 = $4,000

Thus, the investor would earn $4,000 in interest over the 10 years.

Real-World Application

Individuals in high-income tax brackets often invest in tax-exempt bonds to maximize their after-tax returns. For instance, if an investor in the 35% federal tax bracket can earn a 4% return from a municipal bond, their equivalent taxable yield (the yield they would need to receive from a taxable bond to match the tax-exempt bond’s return) would be calculated as follows:

Equivalent Taxable Yield = Tax-Exempt Yield / (1 – Tax Rate)

In this scenario:

Equivalent Taxable Yield = 0.04 / (1 – 0.35) = 0.0615 or 6.15%

This means the investor would need to earn a 6.15% return from a taxable bond to get the same after-tax income as they would from the 4% tax-exempt bond.

Tax-exempt bonds serve as a strategic investment option for those looking to enhance their tax efficiency while investing in fixed-income markets.