The tax mix in Australia has to change, and this year’s budget may be just the start. In 2010, Treasury said Australia had roughly 5 working-age people for every person over 65. By 2050, that number is projected to fall to 2.7, nearly half. This problem was highlighted in 2010 when Ken Henry handed government the most comprehensive tax review this country has produced in decades. It recommended, among other things, shifting the base away from income and onto land and cons