2024 401k Contributions Limits Over 50. 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. The 401 (k) contribution limit is $23,000 in 2024.
More people will be able to make contributions to roth. So people 50 and older can invest.