Solo 401k Contribution Limits 2024 Irs. Family coverage will increase from $8,300 to $8,550. The irs sets solo 401k contribution limits each year.
For 2024, individuals can contribute up to $23,000 to their 401(k), 403(b), most 457 plans, and the federal government’s thrift savings plan (tsp), an increase from last year’s limit of $22,500. For single people, the hsa contribution limit will increase from $4,150 in 2024 to $4,300 in 2025.