Max 401k Contribution 2024 And Catch Up Date. The limit on employer and employee contributions is $69,000. Total contributions to a solo 401(k) cannot exceed $69,000 or $76,500 for those at least aged 50.

Those 50 and older can contribute an additional $7,500.  — the internal revenue service (irs) raised the annual contribution limits for 2024 to $23,000, which amounts to a cost of living adjustment and is an increase from $22,500 in 2023.