Can I Afford to Live in Seoul vs San Francisco on $40K?
Here's how a $40K/year salary plays out in both cities after taxes, rent, and core living expenses — based on Q1 2026 data.
Monthly budget breakdown
| Expense | Seoul KR | San Francisco CA |
|---|---|---|
| Monthly take-home (est.) | $2,228 | $2,418 |
| 1BR rent | $900 | $3,600 |
| Groceries (est.) | $380 | $448 |
| Transport (est.) | $150 | $100 |
| Utilities | $80 | $160 |
| Internet | $25 | $70 |
| Left after essentials | $693/month | -$1,960/month |
Frequently asked questions
Is $40K a good salary in Seoul?
At $40K/year in Seoul, your estimated monthly take-home is $2,228. With 1BR rent around $900/month, rent takes up 40% of your take-home. That's considered tight.
Is $40K a good salary in San Francisco?
At $40K/year in San Francisco, your estimated monthly take-home is $2,418. With 1BR rent around $3,600/month, rent takes up 149% of your take-home. That's considered difficult.
Which city is more affordable on a $40K salary?
Seoul leaves you with more money after core expenses — $693/month vs $-1,960/month in San Francisco.
Can I afford to live alone in Seoul on $40K?
It's tight. Rent in Seoul would take 40% of your $40K take-home pay. You may need to find roommates or look at studios to stay within the 30% rule.
See the full cost-of-living comparison
Rent, groceries, taxes, transportation, and more — side by side.
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 · Q1 2026 · For general guidance only