Who pays 3.8 net investment tax?

Who pays 3.8 net investment tax?

-income taxpayers The net investment income tax (NIIT) is a 3.8% tax on investment income such as capital gains, dividends, and rental property income. This tax only applies to high-income taxpayers, such as single filers who make more than $200,000 and married couples who make more than $250,000, as well as certain estates and trusts.