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401(k) Contribution Limits for 2024 and 2025

Knowing these rules can save you a lot of trouble with the IRS.

By Kailey Hagen – Updated Feb 24, 2025 at 2:42PM

Key Points

  • 2024 401(k) elective deferral limit is $23,000, increasing to $23,500 in 2025.
  • Adults 50+ can contribute up to $30,500 in 2024 and $31,000 in 2025, including catch-ups.
  • Highly compensated employees face caps on contributions based on earnings and nondiscrimination tests.
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