Current social security taxes are insufficient to pay current social security benefits. In 2025 SS collected about $1.2 trillion in taxes and paid out $1.4 trillion in benefits, a cash flow deficit of $200 billion.
This negative cash flow (benefits>taxes) started in 2010.
For a while, the so-called Trust Fund had assigned interest payments on the Trust Fund balance that covered the negative cash flow, so that taxes+interest-benefits was still positive.
Taxes plus interest payments became lower than benefit payments in 2021.
Social Security is designed as a 'pay-as-you-go' system with the Trust Fund serving as a bumper to smooth periods of excess tax collections. Unfortunately the period of excess tax collections ended in 2010, and now the Trust Fund is being exhausted on an on-going basis and at an increasing rate. In 2032 or so, the Trust Fund hits zero, no more interest payments, and taxes
In 2033, social security taxes will be the only income to the program and they will cover an estimated 78% of promised benefits that year.
This situation is not going to get better. Projections are that it continues to worsen as the number of workers per retiree continues to fall. Basically we need more revenue (taxes) and/or lower benefits than currently promised.
As many have said, it is just math.
Further, since Social Security is highly redistributive, with lower income workers receiving monthly payments up to 90% of their 'Average Indexed Monthly Earnings' while high income workers receive monthly payments that are a combination of 90% on their first $1,286 of AIME, 32% of dollars from $1286 to $7749, and 15% for AIME above $7749 up to the maximum AIME (based on maximum taxable earnings). Higher income workers get a signifcantly worse deal from Social Security. So who do we cut, someone living only on Social Security (for some reason), but who gets a good return from Social Security? Or someone with a lot of income over their life who is already getting a poorer return from Social Security but who has a lot of income? Questions of interpersonal comparisons of individuals in the same generation, comparisons of income and wealth that are the result of lifetime choices and luck and skill and hard work, are always difficult. And these are compounded by the intergenerational issue, where we change a program and the changes impact the young more than the old. I hope the poster who says we can find a solution 'what we all can agree on' is correct, but I wouldn't bet much on it.
*The Trust Fund is a bigger fiction than is commonly understand, an accounting gimmick that serves a political purpose. It is a loan made between Social Security and the Treasury, an asset to one branch of government and a liability to another branch. Net result, zero. Currently the Treasury pays all of its bill including interest on the debt, and some of that debt is owed to another branch of government called Social Security. To pay this interest to Social Security, the government borrows additional dollars by issuing more government bonds.
**Arguably we should have been raising social security taxes or cutting benefits on a continual basis as tax collections fell short of benefit payments. The demographics have been clear for a long time. I can find a Social Security Trustees Report from 1993 that projects the Trust Fund being exhausted in 2034~2035. Pretty good for a four decade ahead forecast.
***Two recent congressional actions have not helped. The inaptly named "Social Security Fairness Act" repealed two existing laws from 1983 and earlier that limited the ability of persons (and spouses)who only pay into Social Security for part of their working lives to earn high replacement rates on their contributions. The One Big Beautiful Bill provided seniors with a $6,000 extra standard deduction for a number of years, which reduces income subject to federal income tax including tax due on social security benefits. Those federal income taxes on social security benefits flow into the social security system, and the OBBB reduced those flows. So these two recent acts are responsible for at least a year of the change to a close day for Trust Fund exhaustion.