Solo 401k Contribution Limits 2024 Irs. For those with a 401(k), 403(b), or 457 plan through an employer, your new maximum contribution limit will go up to $23,000 in 2024. Contribution maximums will increase from $22,500 to $23,000 for 401 (k), 403 (b) and most 457 plans, as well as the federal government’s thrift savings plan, the irs.

The simple ira and simple 401(k) contribution limits will increase from $16,000 in 2024 to $16,500 in 2025. The elective deferral contribution if you’re at least.