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This Could Be the Biggest Problem With the 4% Rule

It's not as perfect as you might think.

By Maurie Backman Apr 1, 2026 at 7:36AM EST

Key Points

  • The 4% rule tells you to withdraw 4% of your savings your first year of retirement and adjust future withdrawals for inflation.
  • Following the 4% rule could help your retirement savings last as long as you need them to.
  • The rule has a big flaw you should know about before you commit to it.

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