Urban Stress Index
An indicator of housing and food cost burden across cities

Perth vs Sydney

Urban Stress & Living Expense Analysis

Data Snapshot: Perth (2025-09) | Sydney (2025-09)

Perth

Australia

32.02 Stretched
VS

Sydney

Australia

41.67 High burden

Comparative Metrics Breakdown

Metric Perth Sydney
Average Monthly Salary 9337.03 8892.00
Monthly Rent (1BR Central) 2340.00 2925.00
Monthly Food Cost 650.00 780.00
Rental Index (% of Income) 25.06% 32.89%
Engels Index (Food % of Income) 6.96% 8.77%
Urban Stress Index (USI) 32.02 41.67

Executive Stress Analysis

Sydney registers a moderately higher cost of living friction than Perth. As domestic markets within Australia, direct nominal benchmarking reveals Sydney carrying an Urban Stress Index of 41.67 (High burden) versus Perth's 32.02 (Stretched). Nominal 1-bedroom central rents stand at 2340.00 in Perth compared to 2925.00 in Sydney. After deducting baseline central rent and essential grocery overhead, workers retain approximately 6347.17 per month in Perth versus 5187.17 in Sydney—allowing residents in Perth to retain an estimated 1160.00 more in monthly discretionary buffer.

Housing overhead demands a moderately distinct share of local earnings, with Perth allocating 25.06% of salary to rent versus Sydney's 32.89%. Baseline food overhead remains comparable, with both locations requiring roughly 6.96% to 8.77% of local income for monthly grocery baskets.

Detailed Methodology & Local Sources

For complete statistical breakdowns, specific sampling proxies, and primary source citations:

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