Solo 401(k) Contribution Limits
Quick summary of contribution limits for 2024 and 2025. Select a specific year below for detailed guidelines and examples.
Under Age 50
| Contribution Type | 2024 | 2025 |
|---|---|---|
| Employee Contribution | $23,000 | $23,500 |
| Total Contribution Limit | $69,000 | $70,000 |
Age 50 and Older
| Contribution Type | 2024 | 2025 |
|---|---|---|
| Employee Contribution | $23,000 | $23,500 |
| Catch-up Contribution | +$7,500 | +$7,500 |
| Total Employee Contribution | $30,500 | $31,000 |
| Total Contribution Limit | $76,500 | $77,500 |
Detailed Year Guides
Select a year to view comprehensive contribution guidelines, including employer contributions, calculation methods, and practical examples:
2024 Contribution Limits
View the complete guide to 2024 Solo 401(k) contribution limits, including employee deferrals, employer contributions, and catch-up provisions.
2025 Contribution Limits
Explore the updated 2025 Solo 401(k) contribution limits, including the latest IRS adjustments for inflation.