3235.0 - Population by Age and Sex, Regions of Australia, 2016 Quality Declaration 
ARCHIVED ISSUE Released at 11:30 AM (CANBERRA TIME) 28/08/2017   
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AUSTRALIAN CAPITAL TERRITORY

MEDIAN AGE

  • At June 2016, the Australian Capital Territory's (ACT) median age (the age at which half the population is older and half is younger) was 34.7 years, a slight increase from 34.4 years in 2006. This was younger than Australia's median age (37.2 years), and the second youngest of all states and territories, after the Northern Territory (32.4 years).
  • The median age of males in 2016 was 34.0 years compared with 35.4 years for females.
  • Within the ACT, the SA2 of Acton had the lowest median age in 2016 at 20.9 years, followed by Duntroon (21.4 years). In contrast, Yarralumla and Isaacs had the highest median age (both 48.8 years).

SA2s WITH OLDEST AND YOUNGEST MEDIAN AGES(a), Australian Capital Territory, 2016
Median Age
SA2GCCSA
years
OLDEST MEDIAN AGES
YarralumlaAustralian Capital Territory
48.8
IsaacsAustralian Capital Territory
48.8
O'MalleyAustralian Capital Territory
46.4
StirlingAustralian Capital Territory
45.6
ChapmanAustralian Capital Territory
45.5
YOUNGEST MEDIAN AGES
ActonAustralian Capital Territory
20.9
DuntroonAustralian Capital Territory
21.4
CivicAustralian Capital Territory
24.9
BruceAustralian Capital Territory
27.7
BraddonAustralian Capital Territory
29.5
(a) Excludes SA2s with a population of less than 1,000 at June 2016.


SEX RATIO
  • There were 98.8 males for every 100 females in the ACT at June 2016.
  • Duntroon, which contains the Royal Military College, was the SA2 with the highest sex ratio in the ACT, at 247.0 males for every 100 females. This was followed by Reid (123.6), Gilmore and Hawker (both 107.8).
  • Deakin had the lowest sex ratio (81.3 males per 100 females) in the ACT, followed by Page (84.9) and Ainslie (86.4).

SA2s WITH HIGHEST AND LOWEST SEX RATIOS(a), Australian Capital Territory, 2016
Sex Ratio
SA2GCCSA
males per 100 females
HIGHEST SEX RATIOS
DuntroonAustralian Capital Territory
247.0
ReidAustralian Capital Territory
123.6
GilmoreAustralian Capital Territory
107.8
HawkerAustralian Capital Territory
107.8
Red HillAustralian Capital Territory
107.6
LOWEST SEX RATIOS
DeakinAustralian Capital Territory
81.3
PageAustralian Capital Territory
84.9
AinslieAustralian Capital Territory
86.4
HughesAustralian Capital Territory
89.8
HoltAustralian Capital Territory
90.1
(a) Excludes SA2s with a population of less than 1,000 at June 2016.


AGE AND SEX DISTRIBUTION
  • At June 2016, the proportion of young adults (particularly those aged between 20 and 34 years) for both males and females in the ACT was relatively high compared with Australia as a whole. This may reflect the number of people in this age group who move to the ACT for tertiary education or employment.
  • People aged 20 to 34 years accounted for 25% of the territory's population, compared with 22% of Australia's population.

AGE AND SEX DISTRIBUTION (%), Australian Capital Territory and Australia - 30 June 2016
Population pyramid showing proportion of population by age and sex, ACT and Australia, 30 June 2016