Higher Rates Threaten Retirees With $2,296 Medicare Hit as 30-Year Treasury Yield Reaches 5.609%
Updated
Updated · The Washington Post · Oct 2
Higher Rates Threaten Retirees With $2,296 Medicare Hit as 30-Year Treasury Yield Reaches 5.609%
1 articles · Updated · The Washington Post · Oct 2
Summary
A 5.609% 30-year Treasury yield—its highest since 2002—is boosting interest income but also pushing some retirees toward higher Medicare premiums, bigger Social Security tax bills and ACA subsidy clawbacks.
Medicare’s IRMAA rules are a key trigger: 2026 interest income can raise 2028 premiums, and joint filers just over the $218,000 threshold could pay $284.10 a month each for Part B instead of $202.90, plus Part D surcharges.
Social Security taxes can rise as interest lifts “combined income”; singles above $34,000 and couples above $44,000 can have up to 85% of benefits taxed, and an extra $1,000 of interest could make $850 more benefits taxable.
Early retirees using ACA marketplace coverage face another risk because higher actual income can force repayment of excess premium subsidies, with no repayment cap in 2026.
Advisers say retirees should track year-to-date interest and projected income before year-end, and may offset extra CD income by taking less from taxable IRA withdrawals when possible.