Cost of Living & Salary Comparison 2026
Yes, Perth is 8% cheaper than Philadelphia based on our cost of living index. Perth has a COLI of 63.5, while Philadelphia has a COLI of 68.8. 8% cheaper
Overall, Perth is approximately 8% cheaper than Philadelphia based on our cost of living index. Perth has a COLI of 63.5 (ranked #35 of 182 cities), while Philadelphia has a COLI of 68.8 (ranked #25).
When it comes to housing, one-bedroom apartment rent in Perth averages $1,500/month compared to $1,550/month in Philadelphia. That makes Perth approximately 3% cheaper for rent alone.
Perth has lower total deductions (16.4%) compared to Philadelphia (23.1%), meaning you keep more of your gross salary in Perth. When evaluating a relocation, remember that total deductions directly impact your take-home pay and should be weighed alongside cost of living differences.
Full breakdown of mandatory payroll deductions for a mid-range salary as a local employee in each city.
Rates shown for local employees. Expat deductions may differ — use the main converter for personalized calculations.
If you earn A$106,570 in Perth, you would need approximately $81,260 in Philadelphia to maintain the same purchasing power. That is 8% more due to higher cost of living.
Estimated mid-level annual salaries in local currency, adjusted for each city's cost of living:
| Job Title | Perth (AUD) | Philadelphia (USD) |
|---|---|---|
| Doctor (General) | A$162,413 | $123,840 |
| Software Engineer | A$76,695 | $58,480 |
| Product Manager | A$90,229 | $68,800 |
| Lawyer | A$90,229 | $68,800 |
| Data Scientist | A$85,718 | $65,360 |
| Marketing Manager | A$64,965 | $49,536 |
| Teacher | A$43,310 | $33,024 |
| Nurse | A$52,333 | $39,904 |
Salary estimates are adjusted by each city's COLI relative to the New York baseline. Actual salaries vary by company, experience, and industry.
| Neighborhood | Multiplier |
|---|---|
| Dalkeith | 1.25x (+25%) |
| Cottesloe | 1.22x (+22%) |
| CBD | 1.18x (+18%) |
| Subiaco | 1.15x (+15%) |
| Applecross | 1.15x (+15%) |
| Neighborhood | Multiplier |
|---|---|
| Rittenhouse Square | 1.35x (+35%) |
| Society Hill | 1.28x (+28%) |
| Center City | 1.25x (+25%) |
| Fitler Square | 1.22x (+22%) |
| Bryn Mawr (Main Line) | 1.22x (+22%) |
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Open Salary ConverterPhiladelphia is more expensive overall. Perth has a COLI of 63.5 while Philadelphia has a COLI of 68.8, making Perth approximately 8% cheaper.
To maintain the same standard of living as A$106,570 in Perth, you would need approximately $81,260 in Philadelphia.
Average one-bedroom rent in Perth is $1,500/month compared to $1,550/month in Philadelphia. Perth has lower rent by approximately 3%.
Perth has lower total deductions (16.4%) compared to Philadelphia (23.1%), meaning you keep more of your gross salary in Perth.
Cost of living indices (COLI) are benchmarked to New York City = 100 and derived from Numbeo and Expatistan crowd-sourced price surveys, cross-referenced with national statistics agencies. Rent data from Numbeo Property Prices.
Salary ranges are compiled from the U.S. Bureau of Labor Statistics (OES), Glassdoor, and PayScale. Tax rates are approximate effective rates for mid-range earners based on OECD Taxing Wages and national tax authorities. Exchange rates from the European Central Bank. Neighborhood multipliers are estimated from local rental indices and property data.
Last updated: 2026-02-28. Data is refreshed periodically. All figures are estimates for informational purposes only.