401k Limit 2024 Married Filing Joint. Single or head of household: *beginning at $146k, the amount you are allowed to contribute begins to decrease, hitting $0 at $161k for singles (range is $230k to $240k for married couples filing jointly) along with 2024.

And if it’s less than $123,000, you can deduct up to the full $7,000 / $8,000 contribution limit. If you’re 50 or older, the limit is $8,000.