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Australia population pyramid 2000

19,132,471 people in 2000 (historical estimate). This page shows Australia’s age and sex structure in 2000 and how it differs from 2026.

2000 population
19.1Mhistorical estimate
Median age
34.4 years2026: 38.5
Under age 15
20.8%2026: 17.5%
Age 65+
12.3%2026: 18.5%

Australia population pyramid

2000 · Share of total by five-year age group and sex

Historical estimate
Australia population pyramid for 2000: males on the left and females on the right Male share Female share 100+ males: 197 (0.0%) 100+ females: 1,216 (0.0%) 100+ 95–99 males: 2,396 (0.0%) 95–99 females: 9,657 (0.1%) 95–99 90–94 males: 15,523 (0.1%) 90–94 females: 43,669 (0.2%) 90–94 85–89 males: 54,946 (0.3%) 85–89 females: 113,133 (0.6%) 85–89 80–84 males: 118,299 (0.6%) 80–84 females: 187,742 (1.0%) 80–84 75–79 males: 219,048 (1.1%) 75–79 females: 286,149 (1.5%) 75–79 70–74 males: 298,514 (1.6%) 70–74 females: 332,690 (1.7%) 70–74 65–69 males: 332,560 (1.7%) 65–69 females: 344,845 (1.8%) 65–69 60–64 males: 399,572 (2.1%) 60–64 females: 395,682 (2.1%) 60–64 55–59 males: 490,079 (2.6%) 55–59 females: 472,715 (2.5%) 55–59 50–54 males: 633,451 (3.3%) 50–54 females: 622,405 (3.3%) 50–54 45–49 males: 667,396 (3.5%) 45–49 females: 674,696 (3.5%) 45–49 40–44 males: 720,622 (3.8%) 40–44 females: 730,608 (3.8%) 40–44 35–39 males: 748,053 (3.9%) 35–39 females: 756,806 (4.0%) 35–39 30–34 males: 710,812 (3.7%) 30–34 females: 722,184 (3.8%) 30–34 25–29 males: 716,486 (3.7%) 25–29 females: 721,686 (3.8%) 25–29 20–24 males: 655,979 (3.4%) 20–24 females: 636,900 (3.3%) 20–24 15–19 males: 676,790 (3.5%) 15–19 females: 648,155 (3.4%) 15–19 10–14 males: 685,221 (3.6%) 10–14 females: 653,254 (3.4%) 10–14 5–9 males: 691,854 (3.6%) 5–9 females: 656,527 (3.4%) 5–9 0–4 males: 658,510 (3.4%) 0–4 females: 625,445 (3.3%) 0–4 10%5% Age 5%10%

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Use the publication-ready SVG, create a high-resolution PNG, or download the complete age-by-sex dataset.

SVG CSV data

Historical estimate

Values for 2000 are UN estimates reconstructed from censuses, surveys, and registration data available up to 2023; earlier years generally carry more uncertainty.

Australia age structure in 2000

In 2000, children under 15 made up 20.8% of the population, people aged 15–64 66.9%, and people aged 65 or older 12.3%. On these shares the structure is classed as transitional; see the guide to population pyramid types.

The total age dependency ratio was 49.5 (31.0 children and 18.4 people aged 65+ per 100 aged 15–64). The largest five-year groups were 35–39, 40–44, 25–29, which together accounted for 23.0% of the population.

Fertility was 1.76 births per woman and life expectancy at birth 79.6 years. The population changed by +1.21% during the year.

Australia in 2000 compared with 2026

Between 2000 and 2026, Australia’s population grew by 42% and the median age rose by 4.1 years. The table sets the two years side by side; percentage-point differences compare shares, not counts.

Indicator20002026Change
Population19,132,47127,227,096+42.3%
Median age (years)34.438.5+4.1
Under 1520.8%17.5%−3.3 pts
Aged 15–6466.9%64.0%−2.9 pts
Aged 65+12.3%18.5%+6.2 pts
Fertility rate1.761.64−0.12
Life expectancy (years)79.684.3+4.7
Males per 100 females98.598.50.0

Australia population by age and sex in 2000

Counts by five-year age group, with everyone aged 100 or older combined. Download the CSV for every chart year.

Age groupMaleFemaleTotalShare
0–4658,510625,4451,283,9556.7%
5–9691,854656,5271,348,3817.0%
10–14685,221653,2541,338,4757.0%
15–19676,790648,1551,324,9456.9%
20–24655,979636,9001,292,8796.8%
25–29716,486721,6861,438,1727.5%
30–34710,812722,1841,432,9967.5%
35–39748,053756,8061,504,8597.9%
40–44720,622730,6081,451,2307.6%
45–49667,396674,6961,342,0927.0%
50–54633,451622,4051,255,8566.6%
55–59490,079472,715962,7945.0%
60–64399,572395,682795,2544.2%
65–69332,560344,845677,4053.5%
70–74298,514332,690631,2043.3%
75–79219,048286,149505,1972.6%
80–84118,299187,742306,0411.6%
85–8954,946113,133168,0790.9%
90–9415,52343,66959,1920.3%
95–992,3969,65712,0530.1%
100+1971,2161,4130.0%

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APA

World Population Pyramid. (2026, September 28). Australia Population Pyramid 2000. https://worldpopulationpyramid.com/countries/australia/2000/

MLA

“Australia Population Pyramid 2000.” World Population Pyramid, 28 Sept. 2026, worldpopulationpyramid.com/countries/australia/2000/.

Chicago

World Population Pyramid. “Australia Population Pyramid 2000.” Last modified September 28, 2026. https://worldpopulationpyramid.com/countries/australia/2000/.

Underlying data: United Nations, Department of Economic and Social Affairs, Population Division (2024). World Population Prospects 2024.

Frequently asked questions

What was the population of Australia in 2000?

UN World Population Prospects 2024 estimates Australia's population in 2000 at 19,132,471.

What was the median age in Australia in 2000?

The median age was 34.4 years, compared with 38.5 years in 2026.

What share of Australia was under 15 or 65+ in 2000?

20.8% were under 15 and 12.3% aged 65 or older, giving a total age dependency ratio of 49.5.

Sources and notes