Can I Afford to Live in Sofia vs Koh Samui on $40K?

Here's how a $40K/year salary plays out in both cities after taxes, rent, and core living expenses โ€” based on Q1 2026 data.

Sofia, BG
$2,395/mo take-home
Rent: $540/mo (23% of take-home)
Comfortable
Koh Samui, TH
$2,728/mo take-home
Rent: $620/mo (23% of take-home)
Comfortable

Monthly budget breakdown

Expense
Sofia
BG
Koh Samui
TH
Monthly take-home (est.)$2,395$2,728
1BR rent$540$620
Groceries (est.)$380$380
Transport (est.)$150$150
Utilities$75$70
Internet$20$28
Left after essentials$1,230/month$1,480/month
Koh Samui (Surat Thani Province) has no state income tax, boosting take-home vs Sofia (BG rate: 10%).

Frequently asked questions

Is $40K a good salary in Sofia?

At $40K/year in Sofia, your estimated monthly take-home is $2,395. With 1BR rent around $540/month, rent takes up 23% of your take-home. That's considered comfortable.

Is $40K a good salary in Koh Samui?

At $40K/year in Koh Samui, your estimated monthly take-home is $2,728. With 1BR rent around $620/month, rent takes up 23% of your take-home. That's considered comfortable.

Which city is more affordable on a $40K salary?

Koh Samui leaves you with more money after core expenses โ€” $1,480/month vs $1,230/month in Sofia.

Can I afford to live alone in Sofia on $40K?

Yes. At $40K in Sofia, rent takes 23% of your take-home, leaving $1,230/month after essentials. Most financial planners recommend keeping rent below 30%.

Compare other salary bands โ€” Sofia vs Koh Samui

See the full cost-of-living comparison

Rent, groceries, taxes, transportation, and more โ€” side by side.

Full comparison

Take-home estimates use simplified federal/state brackets and do not account for pre-tax deductions, 401(k), or local taxes. Data: Zillow, BLS, Numbeo ยท Q1 2026 ยท For general guidance only