
Maximize Your Savings: Understanding the Mega Backdoor Roth 401(k)
The Mega Backdoor Roth 401(k) is a powerful strategy for high earners who want to move significantly more money into a Roth environment than the standard limits allow. In 2026, you can contribute up to 72,000 dollars to your 401(k), or up to 80,000 dollars if you are 50 or older. After you make your regular pre‑tax or Roth contributions, the remaining space can be filled with after‑tax contributions and then converted to a Roth IRA or Roth 401(k). Because the contributions themselves have already been taxed, the conversion is generally tax‑free, and all future growth and withdrawals in the Roth account are tax‑free as well. This makes the Mega Backdoor Roth one of the most effective ways to build long‑term, tax‑free retirement wealth.
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