401k Matching Contribution Limits 2024. Those 50 and over can contribute an additional $3,500 for a maximum contribution of $19,500. Your plan requires a match of 50% on salary deferrals that do not exceed.
— simple 401 (k) plan contributions max out at $16,000 for the 2024 tax year. If you contribute, say, $23,000 toward your 401 (k) in 2024 and your employer adds $5,000, you’re still within the irs limits.