2024 Solo 401k Contribution Limits. You can make solo 401 (k) contributions as both the employer and. In 2024, the maximum amount that can be contributed to an individual’s 401 (k) account is $69,000, up from $66,000 in 2023.
$66,000 for 2023 and $69,000 for 2024; 2 here’s how those contributions break down: