For millions of Americans, Social Security isn’t just a monthly deposit; it’s the foundation of retirement income. Whether it supplements a pension, supports withdrawals from a 401(k), or serves as the primary source of income, those payments matter.

So when retirees consider relocating, one question often rises quickly to the top: Will my Social Security be taxed where I move?

At the federal level, Social Security benefits may be taxable depending on your total income. But most states do not tax Social Security at all. However, a small group of states still apply some form of tax, though the rules, thresholds, and exemptions vary.

If you’re considering a move in retirement, here are nine states that currently tax Social Security benefits in some capacity, along with what seniors should understand before packing the moving truck.