1,692 ▼ -18.3%
Lower than 99% of sub-region (sa3) areas.
- 2011: 2,072
- 2016: 1,843
- 2021: 1,692
The number of people who usually live in the area, counted on Census night.
Christmas Island · Sub-region (SA3)
Demographics & Identity in Christmas Island
Who lives here — how many people, how old they are, and how communities identify.
A shrinking population of 1,692 people defines daily life on Christmas Island, where the community has lost 18% of its residents since 2011. The typical resident is 38 years old, which is about the same as the national figure but noticeably younger than other territories.
1,692
▼ -18.3%
- 1–2: 3 areas
- 2–2: 0 areas
- 2–4: 0 areas
- 4–6: 0 areas
- 6–9: 2 areas
- 9–15: 2 areas
- 15–23: 1 area
- 23–37: 0 areas
- 37–57: 1 area
- 57–90: 0 areas
- 90–141: 1 area
- 141–221: 1 area
- 221–347: 1 area
- 347–545: 2 areas
- 545–854: 3 areas
- 854–1,340: 0 areas
- 1,340–2,101: 3 areas
- 2,101–3,296: 1 area
- 3,296–5,169: 2 areas
- 5,169–8,107: 3 areas
- 8,107–12,714: 7 areas
- 12,714–19,940: 16 areas
- 19,940–31,273: 30 areas
- 31,273–49,048: 61 areas
- 49,048–76,924: 90 areas
- 76,924–120,643: 70 areas
- 120,643–189,211: 46 areas
- 189,211–296,748: 12 areas
All sub-region (sa3) areas, 2021. The marker is Christmas Island — lower than 99% of areas.
| Christmas Island | 1,692 |
|---|---|
| Other Territories | 4,778 |
| Other Territories | 4,788 |
| Australia | 25,422,788 |
Population
How many people, and the typical age.
The population has dropped by about 380 people since 2011, making it one of the smallest areas at this level. While the typical age is now 38, this is 7 years older than it was in 2011.
38 yrs ▲ +22.6%
Younger than 64% of sub-region (sa3) areas.
- 2011: 31 yrs
- 2016: 38 yrs
- 2021: 38 yrs
Half the population is older than this age, and half younger.
Age profile
How the population splits across age groups.
Young adults aged 25 to 44 make up the largest group at 35.3%. Seniors aged 65 and over account for 13.4% of the population, which is well below the national figure and other territories, though this group has grown by 9.6 percentage points since 2011.
13.4% ▲ +258.9%
Lower than 77% of sub-region (sa3) areas.
- 2011: 3.7%
- 2016: 9.7%
- 2021: 13.4%
Share of the population aged 65 years and over.
16.7% ▲ +28.2%
Lower than 66% of sub-region (sa3) areas.
- 2011: 13.0%
- 2016: 16.9%
- 2021: 16.7%
Share of the population aged under 15 years.
Age structure
View on map →In Christmas Island, the largest group is Young adults (25–44) at 35%, followed by Older adults (45–64) (28%) and Children (0–14) (17%).
Identity & relationships
First Nations identity and marital status.
People of Aboriginal and Torres Strait Islander descent make up 0.6% of the population, which is much lower than most areas. Nearly half of residents are married, while those in de facto relationships rose to 11.4% since 2011.
0.6% ▲ +1.9%
Lower than 89% of sub-region (sa3) areas.
- 2011: 0.6%
- 2016: 0.5%
- 2021: 0.6%
Share of people who identify as Aboriginal and/or Torres Strait Islander.
11.4% ▲ +62.0%
Lower than 66% of sub-region (sa3) areas.
- 2011: 7.0%
- 2016: 7.6%
- 2021: 11.4%
Share of people aged 15+ who are in a de facto marriage (registered marriages excluded).
Marital status
View on map →In Christmas Island, the largest group is Married at 49%, followed by Never married (36%) and Divorced (8%).
Age & sex structure
Sources
- Census of Population and Housing — Australian Bureau of Statistics, 2021 (CC BY 4.0).
More for Christmas Island
Cite this page
Australian Bureau of Statistics. (2021). Demographics & Identity in Christmas Island [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sa3/90101/christmas-island/topic/demographics-identity