How Much Can I Put In My 401k In 2025. For 2025, eligible taxpayers can contribute $23,500 to their 401(k) account, up from $23,000 in 2024. The internal revenue service said friday that 401(k) contribution limits will climb to $23,500 next year, meaning retirement savers will be able to tuck away a little more in 2025.

Additionally, the total contribution limit for defined. The internal revenue service said friday that 401(k) contribution limits will climb to $23,500 next year, meaning retirement savers will be able to tuck away a little more in 2025.