Net Investment Income

In 2026, a married couple filing jointly has modified adjusted gross income (MAGI) of $320,000, including $40,000 of net investment income.

Assuming no other limitations apply, how much of their net investment income is subject to the 3.8% Net Investment Income Tax (NIIT)?  The NIIT threshold in 2026 is $250,000.

  1. $0
  2. $20,000
  3. $40,000
  4. $70,000