Solo 401k Contribution Limits 2024 Calculator Nj. For 2024, the solo 401(k) maximum contribution limit for the elective deferral is $23,000 if you’re age 50 and under. So if your spouse is earning.

The irs maximum contribution to a solo 401k is $66,000 for 2023 (or $73,500 for those over age 50) and $69,000 for 2024 (or $76,500 for those over age 50). Participants who are 50+ can save an additional $7,500 in 2024 in.