2024 401k Limits Catch Up. Kailey hagen, the motley fool. For 2024, the limit for 401 (k) plan contributions is $23,000, up from $22,500 last year, according to the irs.

The limit on employer and employee contributions is $69,000. The contribution limit for simple 401(k)s is $16,000 (up to $19,500 if.