2024 401k Limits Catch Up Over 50. The 401(k) contribution limit for 2024 is $23,000. Those 50 and older can contribute an additional $7,500.
If you’re turning 50 or older and exceed the irs elective deferral (or annual additions) limit, then your contributions will automatically start counting toward the irs catch. The 401(k) compensation limit is $345,000.