Oasdi Limit 2025 Contribution. The oasdi tax rate for wages paid in 2025 is set by statute at 6.2 percent for employees and employers, each. It also includes the new limits for the additional.
The limits that increased for 2025 are shown below in blue bold italics, and include small increases in the 415 and 402(g) limits. The oasdi tax rate for wages paid in 2025 is set by statute at 6.2 percent for employees and employers, each.