Oasdi Tax Limit 2024. The maximum income on which you’ll pay oasdi taxes for the 2024 tax year is $168,600 (up from $160,200 in 2023). As mentioned above, there is an oasdi tax limit based on the annual wage index.
(for 2023, the tax limit was $160,200. In 2024, only the first $168,600 of an employee’s annual wages are subject to oasdi taxes.