43. Alaska

Average annual benefit: $16,808

Officials say 72,029 retirees in the Last Frontier collected average monthly benefits of $1,400.70. Alaska is very tax-friendly to retirees (and everyone else) with no state income, state sales, estate, or inheritance taxes.

Localities can levy sales tax, but the state average is 1.76%. Many cities provide homestead exemptions, but this is not statewide. Additionally, resident homeowners receive annuities from the Alaska Permanent Fund of oil revenues.