Maximum 401k Contribution 2024 Employer. Simple 401 (k) plan contributions max out at $16,000 for the 2024 tax year. The 401(k) contribution limit for 2024 is $23,000.
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. Simple 401 (k) plan contributions max out at $16,000 for the 2024 tax year.