Moving from Phoenix to Koh Samui (2026)

Koh Samui has a COL index of 50 vs 100 for Phoenix (100 = US average). You'd pay about 50% less for the same lifestyle.

Save ~$1,036/mo
on rent + taxes ยท $75K salary baseline

Change cities

Key differences

COL index
100 โ†’ 50
100 = US avg
1BR rent
$1,500 โ†’ $620
per month
State tax
2.5% โ†’ None
income tax
COL difference
100 โ†’ 50
50% cheaper

Salary needed in Koh Samui to match your Phoenix lifestyle

Based on the 50% cost of living decrease between the two cities.

Your salary in PhoenixEquivalent in Koh Samui
$40K$20,000
$50K$25,000
$60K$30,000
$75K$37,500
$80K$40,000
$100K$50,000
$120K$60,000
$150K$75,000

Adjust your salary

Save ~$955/moon core expenses at $75K

Monthly budget at $75K โ€” Phoenix vs Koh Samui

ExpensePhoenixKoh Samui
Monthly take-home$4,584$4,741
1BR rent$1,500$620
Groceries$369$380
Transport$64$150
Utilities$210$70
Internet$60$28
Left after essentials$2,381$3,493

30-Year Wealth Builder

If you invest your monthly savings of $955 in a low-cost index fund (7% avg return), you'd accumulate an extra:

$1,165,072

over 30 years compared to staying in Phoenix โ€” that's the real price of a city.

$955/mo invested

Frequently asked questions

Is Koh Samui cheaper than Phoenix?

Yes. Koh Samui has a cost of living index of 50 vs 100 for Phoenix (100 = US average). That's about 50% cheaper.

How much will I save moving from Phoenix to Koh Samui?

On a $75K salary, moving from Phoenix to Koh Samui saves roughly $1,036/month on core expenses. That's ~$12,432/year.

What salary do I need in Koh Samui to match my Phoenix lifestyle?

To maintain the same purchasing power as $75,000 in Phoenix, you'd need roughly $37,500/year in Koh Samui. This is based on the overall COL index difference.

Estimates based on Q1 2026 COL index and market data. Budget uses simplified federal/state tax rates. Zillow ยท BLS ยท Numbeo ยท For general guidance only