401k 2024 Contribution Limit Chart Over 50. For 2024, the solo 401(k) maximum contribution limit for the elective deferral is $23,000 if you’re age 50 and under. The roth 401(k) contribution limit for 2024 is $23,000 for employee contributions and $69,000 total for both employee and employer contributions.
The ira contribution limits for 2024 are $7,000 for those under age 50, and $8,000 for those age 50 or older. In 2023, this rises to $22,500.