what is the salary tax in western australia?

Answer 1

Payroll tax is paid by employers on the basis of total wages (including employer-funded
superannuation benefits and other fringe benefits) paid or payable to employees.

Payroll tax is levied at a rate of 5.5% on the taxable wages of an employer above the current $750,000 payroll threshold. Payroll tax threshold has been adjusted on an irregular basis in the past.

Exemption Threshold
1 Jan 1994 450,000
1 July 1994 550,000
1 July 1995 600,000
1 July 1996 625,000
1 July 1997 675,000
1 July 2003 750,000
---------------------------
Other states for comparison (Threshold and (Max) Tax rate)
WA 750,000 5.50
NSW 600,000 6.00
VIC 550,000 5.25
QLD 850,000 4.75
SA 504,000 5.50
TAS 1,010,000 6.10
NT 1,000,000 6.20
ACT 1,250,000 6.85
--------------------------------
Hope that helps.

Answer 2

Its called income tax.
Its based on %, as you earn more you get taxed more. Check out
http://calculators.ato.gov.au/scripts/asp/simpletaxcalc/main.asp
Income taxes are the same nationwide