I think "was" is the operative term. During the "Good 'Ol Days" of the Howard Govt, Tax rates on wages as low as $50,000 were 47% plus 1.5% Medicare Levy:
Individual income tax rates for prior years=
Of course, now that tax rates under the Gillard Govt are at historic lows, even taking into account Bracket Creep, she is "squandering the boom times" and we are supposed to have poor standards of living, despite bringing in more take home pay than ever before. Why aren't the Talkback Radio hosts suggesting we go back to those tax rates to solve all our problems?