401k Roth Ira Contribution Limits 2024. The maximum amount you can contribute to a roth 401 (k) for 2024 is $23,000 if you're younger than age 50. The annual roth ira contribution limit in 2023 is $6,500 for adults younger than 50 and $7,500 for adults 50 and older.

For 2024, single and head of household filers with a magi below $146,000 (up from $138,000 last year) can contribute the full $7,000 in 2024. The 401 (a) compensation limit (the amount of earned income that can be used to calculate retirement account contributions) will increase from $330,000 in 2023.