The two components that are used to determine population statistics include Natural Increase (the number of births minus deaths) and Net Overseas Migration (NOM). Coming under the Natural Increase heading are the components of fertility and life expectancy. According to the Australian Bureau of Statistics, Australia's fertility rate has fluctuated greatly since 1961 to 2010 and is still below the replacement level of 2.1 births per woman:
- 3.6 children per woman in 1961
- 1.9 children per woman in 1979 -> Baby Boomers?
- 1.72 children per woman in 2003 -> Baby Bonus?
- 1.98 children per woman in 2009
- 1.89 children per woman in 2010 -> end Baby Bonus? Enter GFC?
The life expectancy of the average Australian has increased significantly by approximately 10 years since 1960:
- 79.6 yrs for a Boy born in 2010
- 84.1 yrs for a Girl born in 2010
Net Overseas Migration accounts for 54% of Australia's total population growth, and the following chart depicts the reasons for this migration and the comparison of arrivals versus departures. I found it quite interesting.
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Character of Migration
http://www.immi.gov.au/media/fact-sheets/15population.htm |
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