2024 401k Limits Irs. Employees can contribute up to $23,000 to their 401(k) plan for 2024 vs. All new limits will go into effect jan.

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. Historically, this limit has not been increased annually for inflation.