Population Pyramids of the World from 1950 to 2100

Australia Population Pyramid 2004

Australia
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2004
Population: 20,046,676

Year

-5 -1   2004  +1 +5

Country

A B C D E F G H I J K L M N O P Q R S T U V W Y Z
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Summary

Australia in 2004

In 2004, Australia had a total population of 20,046,677 people. That is 12.0% more than in 1994, when the population stood at 17,897,434.

With a median age of 36.3 years, Australia had a youth dependency ratio of 29.7 and an old-age dependency ratio of 19.0 per 100 people of working age. This is a stationary pyramid — similar numbers in each age group up to the older cohorts, the signature of near-replacement fertility.

Ranks #52 of 201 by population Ranks #36 of 201 by median age Ranks #125 of 201 by growth

Share of the population by age group, 1950–2100

Data source: United Nations World Population Prospects, 2024 revision (medium variant) — last updated July 2024.

Key indicators for Australia
Population
20,046,677
Median age
36.3
0-14 %
20.0%
65+ %
12.8%
Child dependency
29.7
Old-age dependency
19.0
Region
OCEANIA
Pyramid shape
Stationary
Population 2050
32,506,970
Population 2100
43,143,685
What is driving the change
Births per woman
Total fertility rate, 1960–2023
1234
1960Replacement level (2.1)2023 · 1.5

In 2023 women in Australia had on average 1.50 children, below the replacement level of 2.1.

Source: World Bank World Development Indicators, latest available year.

Life expectancy at birth
Years, 1960–2023
Total Women Men
60708090
19602023 · 83.1

Life expectancy at birth was 83.1 years in 2023: 85.1 for women and 81.1 for men.

Source: World Bank World Development Indicators, latest available year.

People supported per 100 workers
Dependency ratios, 1950–2100
Children Older adults
12253850
19502100
Migration to and from Australia
Where immigrants come from (2024)

8,097,262 immigrants live in Australia, 30.3% of the population.

United Kingdom1,107,102
India876,074
China656,264
New Zealand588,088
Philippines356,833
Where emigrants live (2024)

429,374 people born in Australia live in other countries.

United Kingdom124,319
New Zealand89,129
Canada26,777
Malta22,753
Greece21,915
Explore
Immigration statistics Origin of migrant stocks map

Source: United Nations International Migrant Stock 2024.

How Australia compares with its neighbours
Country Population Median age Relative size
Australia 20,046,677 36.3
New Zealand 4,083,911 35.2
Frequently asked questions about Australia's population
How many people lived in Australia in 2004?
Australia had a population of 20,046,677 in 2004.
Is the population of Australia increasing or decreasing?
Yes, growing: up 12.0% from 1994, with a projected population of 32,506,970 in 2050.
How old is the population of Australia?
The median age in Australia is 36.3 years — half the population is younger, half older.
What share of Australia's population is over 65 or under 15?
In Australia, 20.0% of people are under 15 and 12.8% are 65 or older.
What shape is Australia's population pyramid, and what does it mean?
Australia has a stationary pyramid: cohort sizes are roughly even through the younger ages, reflecting fertility close to replacement level.

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