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HEAD-TO-HEAD TAX COMPARISON · 2026

COUNTRY A Arizona VS COUNTRY B Massachusetts

Side-by-side analysis of income tax, effective rates, and take-home pay for Arizona and Massachusetts in 2026.

Daniel · CountryTaxCalc Updated August 2026 Tax Comparison 2026
Calculate your take-home → See all comparisons →
OVERVIEW
Arizona's flat 2.5% income tax rate — the lowest of any state that taxes income — gives it a decisive and widening advantage over Massachusetts' flat 5% (plus a 4% Millionaire Tax surtax above $1 million). At $100,000 income, Arizona's state tax bill ($2,098) is $2,097/year lower than Massachusetts' ($4,195), and the gap grows to $12,097/year at $500,000. Above $1 million, the gap widens dramatically because Massachusetts adds its surtax for a 9% combined top rate while Arizona stays flat at 2.5%. Massachusetts claws back some ground on property tax, where its average effective rate (~1.09%) is actually lower than Arizona's on very expensive homes only if Arizona's home values are high — but nationally Arizona's average effective property tax rate (~0.48%) is still lower than Massachusetts' (~1.09%), so Arizona wins on both fronts for most homeowners.
Section 01

The Big Picture

Top-line rates and effective take-home for a typical earner — including income tax, social contributions, and applicable surcharges.

🌵
COUNTRY A
Arizona
TAX RATE
2.5%
Flat Tax
Flat 2.5% rate — the lowest state income tax rate of any state that taxes income; no local income tax anywhere
🏛️
COUNTRY B
Massachusetts
TAX RATE
5%
Flat Tax + Surtax
5% flat rate, plus 4% Millionaire Tax surtax on income over $1 million (9% combined); no local income tax anywhere
TYPICAL ANNUAL DIFFERENCE
Moving from Massachusetts → Arizona at $100,000
$2,097
That's $175/month back in your pocket
Section 02

Tax Savings by Income Level

Net take-home after all income tax, social contributions, and surcharges — for a single employee with no dependents.
GROSS INCOME
🌵 AZ TAX
🏛️ MA TAX
SAVINGS
10-YEAR
$50,000
$848
$1,695
$847
$8,470
$75,000
$1,473
$2,945
$1,472
$14,720
$100,000
$2,098
$4,195
$2,097
$20,970
$150,000
$3,348
$6,695
$3,347
$33,470
$250,000
$5,848
$11,695
$5,847
$58,470
$500,000
$12,098
$24,195
$12,097
$120,970
💡

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🌵

Arizona Pros & Cons

+ PROS
  • Flat 2.5% income tax rate — the lowest of any state that taxes income — beats Massachusetts at every income level, saving $847 to $12,097/year
  • Lower average property tax (~0.48%) than Massachusetts (~1.09%), adding to Arizona's overall tax advantage for homeowners
  • No Millionaire Tax-style surtax — high earners above $1 million still pay just 2.5%, versus Massachusetts' 9% combined rate at that level
  • No local income tax anywhere in the state, matching Massachusetts' simplicity
− CONS
  • No blanket retirement-income exemption for private pensions and 401(k)/IRA withdrawals — taxed at the flat 2.5% rate, though Arizona does exempt up to $2,500 of certain government pensions
  • Extreme summer heat and rapid Phoenix-metro population growth have pushed housing costs up sharply in recent years
  • Smaller, less specialized job market than Greater Boston's biotech, pharma, and higher-education cluster
  • 2026 capital gains subtraction (20% of long-term gains) still leaves Arizona taxing most investment income, just at a lower effective rate than Massachusetts' short-term rate
🏛️

Massachusetts Pros & Cons

+ PROS
  • Massachusetts fully exempts government pension income (state, local, and federal) from state tax, an advantage over Arizona's partial $2,500 exemption
  • World-class biotech, healthcare, and higher-education job market (Boston/Cambridge) with salaries that can offset the higher tax rate for many professionals
  • No local income tax anywhere in the state — a Boston resident pays only the 5% flat state rate, no city add-on
  • Massachusetts' 2023 estate tax reform removed the prior exemption cliff — estates now owe tax only on the amount above $2 million, not the whole estate
− CONS
  • Flat 5% income tax is double Arizona's 2.5%, costing $847 to $12,097/year more at every income level tested here
  • 4% Millionaire Tax surtax applies to income over $1 million (9% combined), a bracket Arizona has no equivalent for
  • Higher average property tax (~1.09%) than Arizona (~0.48%) — an additional disadvantage on top of the income-tax gap
  • Short-term capital gains are taxed at 8.5% in Massachusetts versus Arizona's flat 2.5% (before Arizona's 2026 long-term subtraction, which lowers Arizona's effective long-term rate to about 1.875%)
FAQ

Frequently Asked Questions

Is Arizona or Massachusetts cheaper for state income tax?

Arizona is cheaper at every income level. At $100,000, Arizona's flat 2.5% costs $2,098 versus Massachusetts' flat 5% at $4,195 — a $2,097/year difference. That gap grows to $12,097/year at $500,000, and widens further above $1 million once Massachusetts' 4% Millionaire Tax surtax applies.

What is Massachusetts' Millionaire Tax and does it affect this comparison?

Massachusetts voters passed a constitutional amendment in 2022 adding a 4% surtax on annual income above $1,000,000, on top of the standard 5% flat rate — a 9% combined top rate. Arizona has no equivalent surtax at any income level, so the gap between the two states widens sharply for earners above $1 million.

Which state has lower property tax, Arizona or Massachusetts?

Arizona has the lower average effective property tax rate at roughly 0.48%, compared to Massachusetts' roughly 1.09%. On a $400,000 home, that's about $1,920/year in Arizona versus $4,360/year in Massachusetts — an additional savings of about $2,440/year for Arizona on top of its income-tax advantage.

Does either state tax retirement income like 401(k) and IRA withdrawals?

Both states fully exempt Social Security. Massachusetts also fully exempts government pension income, an advantage over Arizona's partial $2,500 government-pension exemption. Neither state gives a blanket exemption for private pensions or 401(k)/IRA withdrawals — Arizona taxes these at its flat 2.5% rate, while Massachusetts taxes them at 5%, so Arizona remains cheaper in dollar terms even without a full exemption.

How do capital gains taxes compare between Arizona and Massachusetts?

Arizona taxes capital gains as ordinary income at its flat 2.5% rate, with a 2026 subtraction that exempts 20% of long-term gains — an effective rate of about 1.875% on long-term investments. Massachusetts taxes short-term gains at 8.5% and most long-term gains at the standard 5% rate, both meaningfully higher than Arizona's rates.

How much would I save moving from Massachusetts to Arizona?

At $100,000 income, moving from Massachusetts to Arizona would save about $2,097/year in state income tax, plus roughly $2,440/year in lower property tax on a $400,000 home — a combined savings of about $4,537/year. At $250,000 income, the income-tax savings alone grow to about $5,847/year.

Does either state have an estate tax?

Arizona has no estate or inheritance tax. Massachusetts does levy a state estate tax, but its 2023 reform eliminated the prior exemption cliff — estates are now taxed only on the portion above $2 million, not retroactively on the whole estate, making it considerably less punitive than before the reform.

Is Phoenix or Boston better for job opportunities?

Boston/Cambridge has a globally concentrated biotech, pharmaceutical, and higher-education cluster (Moderna, Biogen, MIT, Harvard) commanding premium salaries. Phoenix has a fast-growing technology and semiconductor manufacturing sector alongside logistics and healthcare. Arizona's much lower overall tax burden gives it a take-home-pay edge at comparable salaries, but Boston's specialized industries can pay significantly more for certain roles.
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