America's national debt has crossed $40 trillion, but for millions of retirees the more important question isn't the size of the debt counter. It's what happens to Social Security and Medicar
America's national debt has crossed $40 trillion, but for millions of retirees the more important question isn't the size of the debt counter.
It's what happens to Social Security and Medicare as Washington's financial obligations keep growing.
The $40 trillion milestone does not automatically trigger benefit cuts. Social Security and Medicare have their own financing structures, taxes and trust funds.
The government's latest trustees' projections show that both programs are approaching major funding deadlines, while federal interest costs and debt continue rising.
According to the official 2026 Social Security and Medicare Trustees summary, Social Security's Old-Age and Survivors Insurance Trust Fund is projected to exhaust its reserves in the fourth quarter of 2032. If Congress made no changes, continuing income would then cover about 78% of scheduled benefits.
Does $40 Trillion Mean Social Security Gets Cut?
Not directly.
Social Security is primarily financed through payroll taxes, while its reserves are invested in special U.S. Treasury securities. In 2025, the program spent $160 billion more than it collected, with reserves covering the difference. Those reserves declined from about $2.72 trillion to $2.56 trillion during the year.
The broader debt problem matters because Washington could eventually face several expensive problems simultaneously.
The Congressional Budget Office projects that spending on Social Security, Medicare and interest on federal debt will all grow faster than the economy over the coming decade. Federal debt held by the public is projected to rise from 99% of GDP at the end of 2025 to 120% by 2036.
Higher borrowing costs are already putting Treasury markets under pressure, with Coinpaper recently examining how Treasury yields surged as high as 5.35%.
Medicare Has Its Own Countdown
Medicare faces a similar, but separate — problem.
The Hospital Insurance Trust Fund, which primarily finances Medicare Part A, is projected to deplete its reserves in the second quarter of 2033. Current law would then limit payments to the amount supported by incoming revenue unless lawmakers intervened.
That does not mean Medicare disappears in 2033.
It means the program's dedicated financing would no longer be sufficient to cover everything currently scheduled without changes to revenue, spending or other federal support.
The larger $40 trillion debt therefore matters less as a magic crisis number and more as another constraint on Washington's options.
Congress could respond to Social Security and Medicare shortfalls through some combination of higher revenues, benefit changes, eligibility changes or additional borrowing. The trustees do not prescribe which approach lawmakers should take.