401k Contribution Limits 2024 Catch Up 2024. For 2024, the limit for 401 (k) plan contributions is $23,000, up from $22,500 last year, according to the irs. Learn about the 2024 contribution limits for different retirement savings plans including 401k, 457, 403b, 401a and iras.
So people 50 and older can invest. Those 50 and older can contribute an additional $7,500.