Australia’s population ballooned by around 8.5 million (45%) over the first 25 years of this century, easily exceeding the population growth experienced by other advanced nations.
Between Q1 2021 and Q1 2025, Australia’s population grew by an astonishing 1.88 million (7.9%)—equivalent to adding an Adelaide and Hobart to the nation’s population.
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The following chart from AMP chief economist Shane Oliver shows that after immigration more than doubled in the mid-2000s and annual population growth jumped by 150,000, Australian housing became structurally undersupplied:
