401k 2024 Limits Increase Over Time. Workers who contribute to a 401(k), 403(b), most 457 plans and the federal government's thrift savings plan can contribute up to. $6,500 ($7,500 if you're age 50 or older) for 2024:

After rising substantially from $20,500 in 2022 to $22,500 for 2023, mercer projects the annual cap to go up just $500 in 2024. For example, an additional $500 contribution per year can.