2024 401k Limits Catch Up Irs. The limit on total employer and employee contributions for 2024 was. The irs has increased the contribution limits for some retirement accounts for tax year 2025.

Starting in 2025, the 401 (k) employee deferral limit will jump to $23,500, up from $23,000 in 2024. Of note, the 2024 pretax limit that applies to elective deferrals to irc section 401(k), 403(b) and 457(b) plans increased from $22,500 to $23,000.