Below are the maximum 401k contribution limits, 401k employee deferral limits for this year as well as the maximum catch up 401k contribution you can make if you are 50 years or older. Note the big jump since 2021.
| Year | 401k Contribution Limit | 401k Employee Deferral | 401k Catch up Contribution |
| 2024 | $69,000 | $23,000 | $7,500 |
| 2023 | $66,000 | $22,500 | $7,500 |
| 2022 | $61,000 | $20,500 | $6,500 |
| 2021 | $58,000 | $19,500 | $6,500 |
| 2020 | $57,000 | $19,500 | $6,500 |
| 2019 | $56,000 | $19,000 | $6,000 |
| 2018 | $55,000 | $18,500 | $6,000 |
| 2017 | $54,000 | $18,000 | $6,000 |
| 2016 | $53,000 | $18,000 | $6,000 |
| 2015 | $53,000 | $18,000 | $6,000 |
| 2014 | $52,000 | $17,500 | $5,500 |
| 2013 | $51,000 | $17,500 | $5,500 |
| 2012 | $50,000 | $17,000 | $5,500 |
| 2011 | $49,000 | $16,500 | $5,500 |
| 2010 | $49,000 | $16,500 | $5,500 |
| 2009 | $49,000 | $16,500 | $5,500 |
| 2008 | $46,500 | $15,500 | $5,000 |
