ABC Online | You decide Australia's population, we'll show you how it looks ABC Online Australia's population has more than quadrupled in the past century, with the number of people tipped to reach 25 million this year. If current trends continue the population will top 40 million within 40 years. Some say Australia should have stopped ... Come on in! Australia's secret to avoiding recessions Bob Carr backs Tony Abbott's call to scale back immigration Q&A: Australia's immigration rate should be cut in half, Bob Carr says |