2-2

2-2. Maternal age

2-2-1. Maternal age in South Australia

2-2-2. Aboriginal maternal age

2-2-3. Teenage women giving birth

2-2-4. Aboriginal teenage women giving birth

2-2-5. Women aged 35 years and over giving birth

2-2-6. Aboriginal women aged 35 years and over giving birth

Sources

 

2-2-1. Maternal age in South Australia

  • The median age at which women in South Australia gave birth was 30.8 years in 2016.1
  • This is only slightly younger than the national median of 31.1 years.1
  • In 2016, the median maternal age in South Australia was higher in Greater Adelaide (31.2 years) compared to Country SA (29.1 years).1
  • No statistically significant underlying trend over the last decade was identified in either the Greater Adelaide or Country SA time series.
  • South Australia's median maternal age is ranked equal fourth lowest (with Western Australia) compared to the other states and territories.

 

Median maternal age, 2016
Region Years
Greater Adelaide 31.2
Country SA 29.1
South Australia 30.8
Australia 31.1

2-2-1 SA

Data source: ABS 2017a

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Median maternal age, 2016
State/Territory Years
Northern Territory 29.3
Tasmania 29.8
Queensland 30.3
South Australia 30.8
Western Australia 30.8
New South Wales 31.3
Victoria 31.7
Australian Capital Territory 31.8
Australia 31.1

2-2-1 AU

Data source: ABS 2017a

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2-2-2. Aboriginal maternal age

  • The median age at which Aboriginal women in South Australia gave birth in 2016 is significantly younger than the general population rate, at 25.7 years.2
  • This age is the almost same as the national median for Aboriginal women giving birth (25.5 years).2
  • The trend over the last decade has been gradually increasing.
  • South Australia's median maternal age of Aboriginal mothers is ranked fourth highest compared to the other states and territories that reported data.2

 

Aboriginal median maternal age, 2016
Region Years
Greater Adelaide n.a.
Country SA n.a.
South Australia 25.7
Australia 25.5

2-2-2 SA

Data source: ABS 2017b

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Aboriginal median maternal age, 2016
State/Territory Years
Northern Territory 25.5
Western Australia 24.9
Queensland 25.3
South Australia 25.7
Tasmania 25.9
New South Wales 25.7
Victoria 26.0
Australian Capital Territory n.a.
Australia 25.5

2-2-2 AU

Data source: ABS 2017b

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2-2-3. Teenage women giving birth

  • In 2016, there were 481 births in South Australia where the mother was aged 19 years or less.3
  • This represents 2.4% of all births in South Australia and is equal to the national rate of 2.4%.3
  • Over the last decade there has been a downward trend, both in this state and nationally.
  • South Australia ranks fourth lowest of the states and territories for proportion of births where the mother was aged 19 years or less.3

 

Births, mother aged 19 years or less, 2016
Region %
Greater Adelaide n.a.
Country SA n.a.
South Australia 2.4%
Australia 2.4%

2-2-3 SA

Data source: ABS 2017c

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Births, mother aged 19 years or less, 2016
State/Territory %
Australian Capital Territory 1.0%
Victoria 1.5%
New South Wales 2.3%
South Australia 2.4%
Western Australia 2.8%
Queensland 3.4%
Tasmania 4.2%
Northern Territory 5.7%
Australia 2.4%

2-2-3 AU

Data source: ABS 2017c

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2-2-4. Aboriginal teenage women giving birth

  • In 2016, there were 106 births in South Australia to Aboriginal mothers aged 19 years or less.4
  • This represents 15.2% of all births in South Australia to Aboriginal mothers, slightly higher than the national rate of 14.6%.4
  • Over the last decade there has been a downward trend, both in this state and nationally.
  • In 2016, South Australia ranked second highest of the states and territories for the proportion of births to Aboriginal mothers aged 19 years or less.4

 

Births, Aboriginal mother aged 19 years or less, 2016
Region %
Greater Adelaide n.a.
Country SA n.a.
South Australia 15.2%
Australia 14.6%

2-2-4 SA

Data source: ABS 2017d

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Births, Aboriginal mother aged 19 years or less, 2016
State/Territory %
Tasmania 11.2%
Victoria 12.3%
New South Wales 13.7%
Queensland 14.2%
Northern Territory 15.1%
South Australia 15.2%
Western Australia 18.2%
Australian Capital Territory n.a.
Australia 14.6%

2-2-4 AU

Data source: ABS 2017d

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2-2-5. Women aged 35 years and over giving birth

  • In 2016, there were 4,218 births in South Australia where the mother was aged 35 years or older.3
  • This represents around one in five (21.3%) of all births in South Australia, lower than the national rate of 23.0%.3
  • Since 2006, the proportion of has been relatively steady, both in this state and nationally.
  • Compared to its interstate counterparts, South Australia ranks fourth lowest for the proportion of births to women aged 35 years and over.3

 

Births, mother aged 35 years and over, 2016
Region %
Greater Adelaide n.a.
Country SA n.a.
South Australia 21.3%
Australia 23.0%

2-2-5 SA

Data source: ABS 2017c

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Births, mother aged 35 years and over, 2016
State/Territory %
Northern Territory 17.3%
Tasmania 19.3%
Queensland 19.9%
South Australia 21.3%
Western Australia 21.5%
New South Wales 23.9%
Australian Capital Territory 25.4%
Victoria 25.7%
Australia 23.0%

2-2-5 AU

Data source: ABS 2017c

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2-2-6. Aboriginal women aged 35 years and over giving birth

  • In 2016, there were 78 births in South Australia to Aboriginal mothers aged 35 years or older.4
  • This represents 11.2% of all births in South Australia to Aboriginal mothers, slightly greater than the national rate of 9.2%.4
  • Over the last decade, the national rate has increased very slightly, although South Australia's trend is harder to discern.
  • South Australia ranks highest of the states and territories that reported data (ACT did not publish figures) for the proportion of births to Aboriginal mothers aged 35 years and over.4

 

Births, Aboriginal mother aged 35 years and over, 2016
Region %
Greater Adelaide n.a.
Country SA n.a.
South Australia 11.2%
Australia 9.2%

2-2-6 SA

Data source: ABS 2017d

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Births, Aboriginal mother aged 35 years and over, 2016
State/Territory %
Northern Territory 8.0%
Western Australia 8.4%
Tasmania 8.8%
Queensland 9.0%
New South Wales 9.6%
Victoria 10.5%
South Australia 11.2%
Australian Capital Territory n.a.
Australia 9.2%

2-2-6 AU

Data source: ABS 2017d

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Sources

  1. Based on Australian Bureau of Statistics (ABS 2017a), 'Table 1.1 Births, Summary, Statistical Areas Level 4-2006 to 2016', Births, Australia, 2016, cat. no. 3301.0, viewed 20 August 2018.
  2. Based on Australian Bureau of Statistics (ABS 2017b), 'Aboriginal and Torres Strait Islander births and confinements, summary, by state', ABS.Stat (beta), viewed 20 August 2018.
  3. Based on Australian Bureau of Statistics (ABS 2017c), 'Fertility, by age, by state', ABS.Stat (beta), viewed 20 August 2018.
  4. Based on Australian Bureau of Statistics (ABS 2017d), 'Aboriginal and Torres Strait Islander fertility, by age, by state', ABS.Stat (beta), viewed 20 August 2018.