The estimate of 27 million is based on the nation's population on 30 June 2023, which was 26,638,544 people, and projected growth that includes a birth every one minute and 42 seconds.
It also assumes that a person dies every two minutes and 52 seconds and a migrant arrives to live in Australia every 45 seconds. These factors contributed to an overall total population increase of one person every 50 seconds.
Australia's population has hit 27 million. How did we get here? AAP, SBS