How much do I need to retire? That's the "magic" question for many people. According to the 2026 Northwestern Mutual Planning and Progress Study , the average American now believes they need $1.46 million to "retire comfortably" — a 15% jump from last year. However, that number isn't fixed. Life expectancy tables, family dynamics, cost-of-living estimates, and even the nation's political climate can all affect your finances in retirement. But one area retirees often overlook is state-level taxation. Where you choose to park your retirement can drastically change how much you need to save. From just $107.88 $24.99 for Kiplinger Personal Finance Become a smarter, better informed investor. Subscribe from just $107.88 $24.99, plus get up to 4 Special Issues CLICK FOR FREE ISSUE Sign up for Kiplinger’s Free Newsletters Profit and prosper with the best of expert advice on investing, taxes, retirement, personal finance and more - straight to your e-mail.…