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Series A projects the largest population for Western Australia, increasing from 2.4 million at 30 June 2012 to 7.7 million in 2061. Series B projects an increase to 6.4 million people, while the smallest population is projected in Series C (5.4 million people).
Most of Western Australia's growth is projected to occur in Perth, where the population increases continuously from 1.9 million at 30 June 2012 to between 4.4 million and 6.6 million in 2061.
Population growth in the balance of Western Australia is projected to be smaller, with Series A projecting an increase to 1.1 million people in 2061. In Series B and C, the balance of Western Australia’s population is projected to increase to 950,800 and 975,000 people (respectively) in 2061.
The median age of the population of Western Australia is projected to increase from 36.0 years at 30 June 2012 to between 40.1 years and 43.5 years in 2061. The graph below presents the age structure for Western Australia in 2012 and 2061.
Births and Deaths
In 2011-12, there were 32,900 births and 13,000 deaths in Western Australia, resulting in natural increase of 20,000 people. In all series, births will continue to exceed the number of deaths during the projection period, resulting in a natural increase. In Series A, natural increase will steadily rise, in Series B natural increase will slowly rise before starting to decline towards the end of the projection series. In Series C natural increase will decline, but remain positive over the projection period.
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