Adelaide vs Perth on AUD 100,000: take-home pay, rent and cost of living in 2026
On a gross salary of AUD 100,000 a year, a single employee takes home AUD 6,483 a month in Adelaide (78% of gross) and AUD 6,483 a month in Perth (78%), after income tax and social security contributions.
Perth is 8% more expensive than Adelaide overall (cost-of-living index 57.8 vs 53.3, New York = 100). A one-bedroom flat in the city centre rents for about AUD 2,797 a month in Perth and AUD 2,461 in Adelaide, which leaves AUD 3,687 and AUD 4,022 of take-home pay after rent. Keeping the same standard of living and saving 15% of your pay would cost about AUD 5,976 a month in Perth — this salary leaves AUD 507 a month on top.
By category, groceries cost 8% less in Perth than in Adelaide, eating out 10% more and rent 18% more.
| Adelaide | Perth | |
|---|---|---|
| Gross salary per year | AUD 100,000 | AUD 100,000 |
| Take-home pay per month | AUD 6,483 | AUD 6,483 |
| One-bedroom rent, city centre | AUD 2,461 | AUD 2,797 |
| Left after rent | AUD 4,022 | AUD 3,687 |
| Cost-of-living index (New York = 100) | 53.3 | 57.8 |
How each figure is taxed: Australia tax calculator and Australia tax calculator. Single employee without children; rent and price data from Numbeo, refreshed monthly.
Questions about Adelaide vs Perth
Is Perth, Australia more expensive than Adelaide, Australia?
Perth, Australia is 8% more expensive than Adelaide, Australia overall. On a gross salary of AUD 100,000 a year, you take home AUD 6,483 a month in Adelaide, Australia and AUD 6,483 a month in Perth, Australia after income tax and social contributions.
How much can I save living in Perth, Australia vs Adelaide, Australia?
Keeping the same standard of living as in Adelaide, Australia, you could save about AUD 507 a month (AUD 6,087 a year) in Perth, Australia on this salary, after rent and living costs.
What taxes will I pay in Australia vs Australia?
On AUD 100,000 gross a year you take home AUD 6,483 a month in Australia and AUD 6,483 a month in Australia. The calculation applies each country's 2026 income tax and social security rules for a single employee.