"Retirement isn't an age. It's a number — and where you live decides how fast you reach it."
That's what waiting from 25 to 35 costs on the exact same $300/month. Not because you saved less — you only skipped $36,000 of contributions. Compounding did the other $497,000.
$300/month, 7% average annual growth, monthly compounding to age 65. Historical S&P 500 average: ~10% nominal, ~7% inflation-adjusted.
What Savings Rate Is Realistic in Phoenix?
At the $80–100K band ($5,667/mo est. take-home, $1,583 avg 1BR rent). The 15% rule uses gross income — $1,125/month at $90K.
The Phoenix Retirement Math, Line by Line
Where the 15% actually comes from at the $80–100K band — and why the same exercise fails in San Francisco.
| Est. monthly take-home ($90K, single filer) | $5,667 |
| 1BR rent (HUD FY2026 FMR, Phoenix) | −$1,583 |
| Car all-in (Phoenix avg) | −$980 |
| Food, utilities, healthcare, everything else | −$1,970 |
| LEFT FOR RETIREMENT — covers the full 15% rule | $1,134/mo |
At your selected city and income band, your estimated retirement capacity is — switch city or income above and this updates. In San Francisco at the same band it drops to $792/mo — rent eats the difference.
Are You on Track? The Age Milestones
Fidelity's salary-multiple checkpoints — the industry-standard yardstick. At $90K income:
Where Each Dollar Goes First
The account priority ladder — the order that maximizes free money and tax advantage. Follow it top to bottom until your monthly capacity runs out.
The Arizona Tax Angle
Phoenix isn't a no-tax state — but its 2.5% flat rate is the lowest flat income tax in the nation, and Arizona doesn't touch the money that matters most in retirement.
- 2.5% flat income tax — on $90K that's ~$2,000/year vs. $4,500–$6,000 in California brackets. The gap funds a third of a Roth IRA by itself.
- Social Security benefits are fully exempt from Arizona state tax — a meaningful edge for the retirement years themselves.
- The savings phase matters more than the spending phase. Eleven of the site's 37 cities have zero state income tax — see the compare table. But low tax + low housing (Phoenix) often beats no tax + high housing (Seattle: $2,146 rent).
- Property taxes run below national average (~0.6% effective) — relevant when your retirement plan includes a paid-off home.
What Does $1M Actually Buy in Retirement?
The 4% rule: withdraw 4% of your balance in year one, adjust for inflation, and the portfolio historically survives 30+ years.
The city double-dip: a low-cost metro helps twice — you save more per month while working, and each withdrawal dollar stretches further when retired. Phoenix's $1,134/month capacity reaches $1M in ~27 years. The same worker in San Jose needs 31 years for the same milestone, then faces 88% higher rent on arrival.
What Improves Your Score the Most?
Ranked by point impact at the $80–100K band in Phoenix.
People Like You in Phoenix at $80–100K
Aggregate data for households at this income level in the Phoenix metro area.
Explore & Compare All 37 Cities
Retirement capacity at the $80–100K band. The spread is brutal: San Antonio $1,224/mo vs. San Jose $792 — same salary, 5 extra years to $1M.
| City | Retire Score | Monthly Capacity | Years to $1M | State Income Tax | 1BR Rent |
|---|---|---|---|---|---|
| San Antonio, TX | 88 | $1,224 | 26 yrs | None | $1,177 |
| Austin, TX | 87 | $1,206 | 26 yrs | None | $1,562 |
| Dallas, TX | 87 | $1,206 | 26 yrs | None | $1,648 |
| Houston, TX | 87 | $1,206 | 26 yrs | None | $1,323 |
| Jacksonville, FL | 87 | $1,206 | 26 yrs | None | $1,382 |
| Las Vegas, NV | 87 | $1,206 | 26 yrs | None | $1,478 |
| Nashville, TN | 87 | $1,206 | 26 yrs | None | $1,578 |
| Tampa, FL | 87 | $1,206 | 26 yrs | None | $1,696 |
| Orlando, FL | 86 | $1,188 | 26 yrs | None | $1,731 |
| Seattle, WA | 86 | $1,188 | 26 yrs | None | $2,146 |
| Albuquerque, NM | 84 | $1,152 | 27 yrs | Yes | $1,185 |
| Columbus, OH | 84 | $1,152 | 27 yrs | Yes | $1,194 |
| Detroit, MI | 84 | $1,152 | 27 yrs | Yes | $1,122 |
| Kansas City, MO | 84 | $1,152 | 27 yrs | Yes | $1,197 |
| Pittsburgh, PA | 84 | $1,152 | 27 yrs | Yes | $1,077 |
| St. Louis, MO | 84 | $1,152 | 27 yrs | Yes | $995 |
| Phoenix, AZ YOUR CITY | 83 | $1,134 | 27 yrs | 2.5% flat | $1,583 |
| Atlanta, GA | 83 | $1,134 | 27 yrs | Yes | $1,660 |
| Baltimore, MD | 83 | $1,134 | 27 yrs | Yes | $1,511 |
| Charlotte, NC | 83 | $1,134 | 27 yrs | Yes | $1,538 |
| Chicago, IL | 83 | $1,134 | 27 yrs | Yes | $1,581 |
| Indianapolis, IN | 83 | $1,134 | 27 yrs | Yes | $1,267 |
| Minneapolis, MN | 83 | $1,134 | 27 yrs | Yes | $1,405 |
| Philadelphia, PA | 83 | $1,134 | 27 yrs | Yes | $1,520 |
| Portland, OR | 83 | $1,134 | 27 yrs | Yes | $1,677 |
| Raleigh, NC | 83 | $1,134 | 27 yrs | Yes | $1,596 |
| Salt Lake City, UT | 83 | $1,134 | 27 yrs | Yes | $1,456 |
| Denver, CO | 82 | $1,116 | 27 yrs | Yes | $1,754 |
| Sacramento, CA | 82 | $1,116 | 27 yrs | Yes | $1,832 |
| Miami, FL | 69 | $882 | 30 yrs | None | $1,995 |
| Los Angeles, CA | 65 | $810 | 31 yrs | Yes | $2,085 |
| Washington, DC | 65 | $810 | 31 yrs | Yes | $2,015 |
| Boston, MA | 64 | $792 | 31 yrs | Yes | $2,476 |
| New York, NY | 64 | $792 | 31 yrs | Yes | $2,655 |
| San Diego, CA | 64 | $792 | 31 yrs | Yes | $2,459 |
| San Francisco, CA | 64 | $792 | 31 yrs | Yes | $2,977 |
| San Jose, CA | 64 | $792 | 31 yrs | Yes | $2,982 |
Data: city JSONs at 80k–100k band · HUD FY2026 FMR · years to $1M assume 7% avg annual growth, monthly compounding. Nine cities have no state income tax.
Your Life Could Change
Phoenix vs. San Francisco — same $80–100K salary, radically different retirement timelines.
Tools & Resources
Calculators and guides to turn monthly capacity into a retirement date.