2025 Tier 5 401k Contribution Limits 2025. For 2025, eligible taxpayers can contribute $23,500 to their 401 (k) account, up from $23,000 in 2025. The 401k contribution limits for the year 2025 are expected to see many increases in different plans including elective deferral limit to $24,000, defined contribution.
The employer contribution limit also rises to $46,500, bringing the combined employee and employer 401(k) contribution. Contribution limits for 401(k)s, 403(b)s, eligible 457s, and thrift savings plans increase to $23,500 for 2025;
