$40K in Buenos Aires = $60,000 in Mexico City
Your $40K salary in Buenos Aires (COL 30) has the same purchasing power as $60,000 in Mexico City (COL 45). Mexico City is more expensive — you'd need 50% more to maintain the same lifestyle.
Budget breakdown — $40K in both cities
What $40K actually buys you in each city after taxes and core expenses.
| Expense | Buenos Aires $40K | Mexico City $40K (same salary) |
|---|---|---|
| Monthly take-home | $2,728 | $2,728 |
| 1BR rent | $400 | $700 |
| Groceries | $380 | $380 |
| Transport | $150 | $150 |
| Utilities | $40 | $55 |
| Internet | $20 | $25 |
| Left after essentials | $1,738/month | $1,418/month |
Frequently asked questions
What is $40K in Buenos Aires equivalent to in Mexico City?
$40K in Buenos Aires (COL index 30) has the same purchasing power as $60,000 in Mexico City (COL index 45). That's 50% more than your current salary.
If I move from Buenos Aires to Mexico City keeping my $40K salary, will I be better off?
Not necessarily. Core expenses in Mexico City are higher, so on the same $40K salary you'd have $320 less per month. You'd need to earn $60,000 to maintain the same standard of living.
How is the salary equivalent calculated?
The equivalent salary is calculated by multiplying your current salary by the ratio of the two cities' overall cost of living indices: $40K × (45 ÷ 30) = $60,000. This adjusts for differences in housing, food, transport, and general cost of living.
Other salary amounts — Buenos Aires to Mexico City
Equivalency uses overall COL index ratio. Take-home uses simplified federal/state brackets. Zillow · BLS · Numbeo · Q1 2026 · For general guidance only