Population Pyramids of the World from 1950 to 2100

Australia Population Pyramid 2045

Australia
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2045
Population: 31,431,122

Year

-5 -1   2045  +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 2045

In 2045, Australia is projected to have a population of 31,431,122 people. Ten years before, in 2035, the projected population is 29,296,168 — 7.3% lower.

With a projected median age of 42.7 years, Australia would have a youth dependency ratio of 25.5 and an old-age dependency ratio of 37.3 per 100 people of working age. This is a constrictive pyramid — its base is narrower than its middle, the signature of sustained low birth rates and population ageing.

Ranks #61 of 201 by population Ranks #76 of 201 by median age Ranks #89 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
31,431,122
Median age
42.7
0-14 %
15.7%
65+ %
22.9%
Child dependency
25.5
Old-age dependency
37.3
Region
OCEANIA
Pyramid shape
Constrictive
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 31,431,123 42.7
New Zealand 5,700,557 43.1
Frequently asked questions about Australia's population
How many people are projected to live in Australia in 2045?
Australia is projected to have a population of 31,431,122 in 2045.
Is Australia's population growing or shrinking?
Yes, growing: up 7.3% from 2035, with a projected population of 32,506,970 in 2050.
What is the median age in Australia?
Australia's median age is 42.7 years.
How many children and older people live in Australia?
In Australia, 15.7% of people are under 15 and 22.9% are 65 or older.
What type of population pyramid does Australia have?
Australia's pyramid is constrictive — narrower at the base than the middle, the signature of sustained low fertility and population ageing.

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