Lima vs Buenos Aires Cost of Living Comparison
Takeaway for Lima vs Buenos Aires: everyday costs favor Buenos Aires (~35% CPI gap), housing index favors Buenos Aires, wage stretch favors Lima. Use category winners, not a single headline, when the binding constraint is rent or income.
Overall Cost Winner
Buenos Aires
Lower overall CPI; largest measurable gaps: Housing (67% gap, Buenos Aires ahead); Utilities (67% gap, Buenos Aires ahead).
Monthly Cost Difference
Estimated monthly housing+utilities+internet basket is about $387 lower in Buenos Aires than in Lima (~66% gap; converted via exchange rates).
Estimated monthly difference: $387 (favoring Buenos Aires).
Category Winners
| Category | Winner | Note |
|---|---|---|
| Overall CPI | Buenos Aires | CPI 17 vs 26 (lower is better) |
| Housing | Buenos Aires | Rent index 5 vs 15.3 (lower is better) |
| Food | Buenos Aires | Groceries index 23.2 vs 33 (lower is better) |
| Transport | Buenos Aires | One-way ticket 0.96 vs 1.67 (lower is better) |
| Utilities | Buenos Aires | Utilities (85m²) 37.5 vs 114.75 (lower is better) |
| Internet | Buenos Aires | Internet 64.58 vs 86.63 (lower is better) |
| Restaurants | Buenos Aires | Restaurant index 14.1 vs 23.5 (lower is better) |
| Salary | Lima | Avg net salary 7812 vs 3627 (higher is better) |
| Purchasing Power | Lima | PP index 33.6 vs 15.6 (higher is better) |
Biggest Difference
Housing: Buenos Aires leads with a 67% gap.
Rent index 5 vs 15.3 (lower is better)
Quick Decision
- Students: Buenos Aires — Lower housing / rent index (67% gap).
- Families: Buenos Aires — Housing is typically the largest household line; rent index favors Buenos Aires; purchasing power favors Lima.
- Remote Workers: Buenos Aires — Everyday cost index (CPI) favors Buenos Aires (~35% gap).
- Budget Living: Buenos Aires — Lowest overall consumer-price index in this pair.
Key Takeaways
- Buenos Aires is the overall cost winner on CPI (~35% lower everyday-cost index than Lima).
- Housing: Buenos Aires leads on rent index (67% gap).
- Food / groceries: Buenos Aires is lower (30% gap).
- Purchasing power: Lima scores higher (54% gap).
- Sample monthly basket (1BR + utilities + internet) is ~$387 cheaper in Buenos Aires.
Analysis
Lima versus Buenos Aires is not a single number. With a 35% CPI spread, groceries and services tend to move with Buenos Aires, while housing follows Buenos Aires's rent index. Purchasing power (33.6 vs 15.6) decides whether local wages offset local prices.
Trust & data transparency
Last updated: 2026-08-20
Data Sources
This page uses CityCost index inputs. Platform sources (see also Data sources):
- Regional
- Regional
On-page labels for this view: Regional · Regional.
Methodology
Each indexed city is associated with a reference basket of common living costs (for example rent, groceries samples, transport tickets, utilities, restaurant meals, and net salary where available). From those items, the platform derives relative indices such as CPI, rent, groceries, restaurants, and local purchasing power, using New York City = 100 as the familiar baseline convention for relative comparison.