Is $100,000.00 a Good Salary in Perth at 40?
See how a $100,000.00 salary stacks up in Perth, WA at age 40 — after-tax income, rent affordability, housing outlook, and savings potential.
Last verified: 5 May 2026Right around the middle.
Above the median.
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Top 39% for salary but only 88th pct for spend at 40 in Perth 🇦🇺
Verdict: Solid
This salary is around the average for this city and age bracket. With good budgeting, you can live comfortably.
After-Tax Income on $100,000.00
Annual
$77,212.00
Monthly
$6,434.33
Fortnightly
$2,969.69
Weekly
$1,484.85
Rent Affordability in Perth
Monthly Take-Home
$6,434.33
Avg 1BR Rent
$2,500.00/mo
Above the 30% rule — rent is stretching your budget.
How $100,000.00 Compares at Age 40
| Age Group | Avg Salary | Your Salary | Difference |
|---|---|---|---|
| 20-24 | $45,000.00 | $100,000.00 | +122% |
| 25-34 | $72,000.00 | $100,000.00 | +39% |
| 35-44 (you) | $85,000.00 | $100,000.00 | +18% |
| 45-54 | $82,000.00 | $100,000.00 | +22% |
| 55-64 | $68,000.00 | $100,000.00 | +47% |
Can You Afford a House in Perth?
Median House Price
$750,000.00
Price-to-Income
7.5x
20% Deposit
$150,000.00
Stretched — you may need a partner's income or a longer savings timeline.
Saving 20% of your after-tax income ($15,442.40/year), it would take approximately 9.7 years to save a 20% deposit.
Savings Potential in Perth
* Estimates based on average costs for a single person in Perth. Actual expenses vary based on lifestyle, location within the city, and personal choices. Does not include discretionary spending (entertainment, dining out, clothing, etc.).
Perth Cost of Living Snapshot
COL Index
89
Sydney = 100
Avg Salary
$110,000.00
Median House
$0.75M
State
WA
Frequently Asked Questions
Is $100,000.00 a good salary in Perth?
$100,000.00 is below the average salary in Perth ($110,000.00). You'd take home $6,434.33 per month after tax. With average rents at $2,500.00/month, budgeting carefully will be important.
What is the average salary in Perth in 2026?
The average salary in Perth is approximately $110,000.00 per year before tax. This varies by industry, experience level, and role. The cost of living index for Perth is 89 (Sydney = 100).
Can I afford a house in Perth on $100,000.00?
The median house price in Perth is $750,000.00, which is 7.5x your annual salary. Stretched — you may need a partner's income or a longer savings timeline. A 20% deposit would be $150,000.00, which would take approximately 9.7 years saving 20% of your after-tax income.
How much is $100,000.00 after tax in Australia?
On a $100,000.00 salary, you'd pay approximately $22,788.00 in income tax and Medicare levy (effective rate: 22.8%). Your take-home pay would be $77,212.00 per year, $6,434.33 per month, or $2,969.69 per fortnight.
What is the average salary for a 40 year old in Australia?
The average salary for the 35-44 age group in Australia is approximately $85,000.00 per year. At $100,000.00, you're earning 18% more than the average for your age bracket.
Sourced from
7 primary sources- TR-2025-1Public RulingTR 2025/1 — Income tax: deductions for work-related expenses
What employees can deduct as work-related expenses, the substantiation rules, and the new fixed-rate method for working from home.
- ATO-Tax-Rates-2026ATO GuidanceResident tax rates 2025-26 (Stage 3 in effect)
0–$18,200 nil; $18,201–$45,000 16c; $45,001–$135,000 30c; $135,001–$190,000 37c; $190,001+ 45c. Plus 2% Medicare levy.
- ATO-HECS-Repayment-2026ATO GuidanceCompulsory HELP/HECS repayment thresholds 2025-26
Repayment starts at $54,435 (1%), scaling to 10% at $159,664+. Repayment income includes taxable income plus salary-sacrificed super and reportable fringe benefits.
- ATO-Foreign-Resident-RatesATO GuidanceForeign resident tax rates 2025-26
No tax-free threshold. 30c on first $135,000; 37c $135,001–$190,000; 45c above. No Medicare levy. HELP/HECS repayments still apply if registered.
- ATO-Salary-Sacrifice-EffectiveATO GuidanceEffective salary sacrifice arrangements
Salary sacrifice must be a prospective agreement, in writing, on amounts not yet earned. Can't backdate. Reduces taxable income; sacrificed amounts are taxed at 15% in super (or 30% if Division 293 applies).
- ATO-PSIATO GuidancePersonal Services Income (PSI) rules
If more than 50% of contract income is for your skill/labour, PSI rules may attribute income to you personally and limit deductions. Affects contractor and sole-trader take-home calcs.
- ATO-Working-Holiday-MakerATO GuidanceWorking holiday maker tax rates
Subclass 417/462 visa holders: 15c on first $45,000, then resident rates apply. No tax-free threshold. Employer must register as a working-holiday-maker employer.
General information and estimates only — not financial, tax, or legal advice. Always verify with a licensed adviser or the ATO.
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