Forecast Your Money blogArticles on retirement, taxes and markets from Forecast Your Money.https://forecastyourmoney.com/The 4% rule has a tax blind spothttps://forecastyourmoney.com/blog/four-percent-rule-after-taxes/https://forecastyourmoney.com/blog/four-percent-rule-after-taxes/The 4% studies measured withdrawals, not spending. In our simulations, spending 4% lasts in 93% of futures, or 54%, depending on taxes.Fri, 18 Sep 2026 00:00:00 GMT