2024 401k Maximum Amount. The elective deferral limit (the maximum amount an individual can contribute from their salary) is projected to increase by $1,000 from the 2024 limit. Roth 401 (k) contributions share the.

For tax year 2023 (filed by april 2024), the contribution limit is $22,500. In 2023, the most you can contribute to a roth 401 (k) and contribute in pretax contributions to a traditional 401 (k) is $22,500.