401k Limit 2024 Age 50. For 2024, you can defer up to $23,000 into 401 (k) plans, up from $22,500 in 2023, with an extra $7,500 for savers age 50 and older. The contribution limit for simple 401 (k)s is $16,000 (up to $19,500 if you're 50 or older).
Those 50 and older can contribute an additional. The 401 (k) contribution limits for 2024 are $23,000 for individuals under 50, and $30,500 for those 50 and older.