The Internal Revenue Service announced cost‑of‑living adjustments affecting dollar limitations for pension plans and other retirement-related items for tax year 2022 in Notice 2021-61, Key employee contribution limits increased The limit on contributions by employees who participate in 401(k), 403(b), most 457 plans, and the federal government’s Thrift Savings Plan increases in 2022 to $20,500 from $19,500