3235.0 - Regional Population by Age and Sex, Australia, 2017 Quality Declaration 
Latest ISSUE Released at 11:30 AM (CANBERRA TIME) 28/09/2018   
   Page tools: Print Print Page Print all pages in this productPrint All RSS Feed RSS Bookmark and Share Search this Product

WESTERN AUSTRALIA

MEDIAN AGE

  • Western Australia (WA) had a median age (the age at which half the population is older and half is younger) of 36.6 years at June 2017, up from 36.0 years at June 2012. The median age of males in 2017 was 36.0 years compared with 37.2 years for females.
  • The median age of the population in Greater Perth was 36.1 years at June 2017, up slightly from 35.7 at June 2012, while the median age in the rest of WA increased from 37.1 to 38.6 years over the same period.
  • The SA2s with the highest median ages in WA were the popular retirement and tree-change/sea-change locations of York - Beverley (51.5 years) and Toodyay (50.6) in the northern wheat belt, and Pemberton (49.8) in the state's south-west.
  • Roebuck (27.4 years) in the state's far north had the lowest median age in WA, followed by Halls Creek (28.2 years) in the Kimberley region.

    SA2s WITH OLDEST AND YOUNGEST MEDIAN AGES
    (a), Western Australia, 2017

    Median Age
    SA2GCCSA
    years

    OLDEST MEDIAN AGES

    York - BeverleyRest of WA
    51.5
    ToodyayRest of WA
    50.6
    PembertonRest of WA
    49.8
    IrwinRest of WA
    49.4
    Bridgetown - Boyup BrookRest of WA
    49.0

    YOUNGEST MEDIAN AGES

    RoebuckRest of WA
    27.4
    Halls CreekRest of WA
    28.2
    Alkimos - EglintonGreater Perth
    28.5
    ByfordGreater Perth
    29.6
    Seville GroveGreater Perth
    29.9

    (a) Excludes SA2s with a population of less than 1,000 at June 2017.


SEX RATIO
  • At June 2017, the sex ratio (the number of males per 100 females) in WA was 100.3. This was the second highest sex ratio of all states and territories, behind the Northern Territory at 108.1 (the only other state or territory where males outnumbered females).
  • Females outnumbered males in Greater Perth (with a sex ratio of 99.3), while males outnumbered females in the rest of WA (104.3).
  • The SA2s with the highest sex ratios in WA included East Pilbara (274.7 males per 100 females), Ashburton (245.9), Roebourne (159.1) and Meekatharra (154.1), which are all located in areas of significant mining activity, and Chidlow (238.7), which contains a large male prison facility.
  • The SA2s with the lowest sex ratios were Mosman Park - Peppermint Grove (85.6 males per 100 females) in Greater Perth and Albany (87.1) in the state's south.

    SA2s WITH HIGHEST AND LOWEST SEX RATIOS
    (a), Western Australia, 2017

    Sex Ratio
    SA2GCCSA
    males per 100 females

    HIGHEST SEX RATIOS

    East PilbaraRest of WA
    274.7
    AshburtonRest of WA
    245.9
    ChidlowGreater Perth
    238.7
    RoebourneRest of WA
    159.1
    MeekatharraRest of WA
    154.1

    LOWEST SEX RATIOS

    Mosman Park - Peppermint GroveGreater Perth
    85.6
    AlbanyRest of WA
    87.1
    WillageeGreater Perth
    88.4
    ComoGreater Perth
    89.2
    East Bunbury - Glen IrisRest of WA
    89.4

    (a) Excludes SA2s with a population of less than 1,000 at June 2017.


AGE AND SEX DISTRIBUTION
  • In 2017, Greater Perth had a lower proportion of its population aged less than 15 years (19%) compared with the rest of WA (21%) and a higher proportion aged 15 to 34 years (29% compared with 25%). This is consistent with young adults moving to the capital city for employment or education purposes.


AGE AND SEX DISTRIBUTION (%), Western Australia - 30 June 2017
Population pyramid showing proportion of population by age and sex in Greater Perth and rest of Western Australia, 30 June 2017