A single taxpayer's modified AGI is $90,000. They contribute $7,000 to a Roth IRA in 2026. Roth IRA contribution phase-out for single filers in 2025 is $150,000-$165,000 (with similar 2026 indexed levels). The allowable contribution is:
- A$0 — over the phase-out
- B$7,000 — fully under the phase-out
- C$3,500 — partial phase-out
- D$1,000 only