401k 2024 Contribution Limit Irs. The simple ira and simple 401 (k) contribution limits will increase from $15,500 in 2023 to $16,000 in 2024. The irs has announced the 2024 contribution limits for retirement savings accounts, including contribution limits for 401(k), 403(b), and 457(b) plans, as well as income limits.

These accounts are popular retirement. 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.