Key Takeaways An analysis from the Penn Wharton Budget Model projects the Social Security Old-Age and Survivors Insurance Trust Fund, also called the OASI Trust Fund, will be depleted in February 2033. If the OASI and Disability Insurance trust funds are combined, they'll deplete by February 2035. Meanwhile, the 2026 Social Security Trustees Report projected depletion in the fourth quarter of 2032 for OASI fund and the third quarter of 2034 for the combined funds.