Arizona Retirement on $11,000 Monthly: What a Single 65-Year-Old Would Need

A single 65-year-old retiring in Arizona with $11,000 in monthly spending would likely need a paid-off home, close to the maximum Social Security benefit, and roughly $2.2 million to $2.5 million in investments. Waiting until age 70 to claim Social Security could raise the monthly benefit to $5,193 and lower the required portfolio to about $2.05 million. Medicare premium surcharges can also apply based on income from two years earlier, with Part B reaching $689.90 per month if age-63 income topped $205,000.

A single 65-year-old in Arizona spending $11,000 monthly would spend $132,000 annually. The state’s price index is close to the national average, while California’s is higher. For comparison, the typical U.S. household spent $78,535 in 2024. The budget assumes no mortgage in a desirable Phoenix-area location, where extreme heat can accelerate air-conditioning, roof, and HVAC expenses.

Near-maximum Social Security is also assumed. The full-retirement-age maximum is $4,188 monthly in 2027; claiming at 65 could lower it to roughly $3,630, compared with the $2,170 average retired-worker benefit. Investments would need to supply $88,440 yearly. Standard Part B costs $202.90 monthly, though a two-year income lookback can raise it to $689.90 if age-63 income exceeded $205,000.