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Australia

Updated: July 2026
 
ECONOMICS
DEMOGRAPHICS
E.S.G.
Demographics sections:    DATA QUALITY    /    POPULATION PROFILE

 
POPULATION DATA QUALITY

The Population Data Quality Rating is derived from three factors: a country's latest Census Year; its Capacity for producing statistical data; and its Registration of Births data. Read more...

The three components are weighted to form the Population Data Quality Index.


Population Data Quality Ratings
Index: 0 = Extremely poor quality, 100 = Good as it gets
Ranked by Data Quality Index
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Country
 Rank
Order		 Population
Data Quality
(Index, 0-100)		 Population
Data Quality
(Rating, A-E)		 Census
Years
(Out-of-date)		 Statistical Resources
(Index, 0-100)		 Registration of Births
(% of total)




Finland 2 97.1 A 0 92.5 100.0
Singapore 3 96.8 A 5 99.5 99.9
Norway 4 95.1 A 0 93.1 100.0
Switzerland 5 94.7 A 1 81.4 100.0
Germany 6 93.2 A 0 88.1 100.0
Canada 7 92.8 A 4 92.4 100.0
Hong Kong 8 92.7 B 4 96.4 100.0
New Zealand 9 92.3 A 2 85.4 100.0
Australia 10 91.2 A 4 87.6 100.0
Estonia 11 91.1 A 4 86.2 100.0
Netherlands 12 90.9 A 4 90.3 100.0
Iceland 13 90.8 A 0 80.9 100.0
Austria 14 88.9 A 0 81.4 100.0
Japan 15 88.9 A 5 81.6 100.0
Luxembourg 16 88.9 A 4 78.3 100.0
Taiwan 17 88.2 B 5 80.8 91.3
Belgium 18 87.6 A 4 82.2 100.0

Access full Population Data Quality Ratings table


Data Notes
Population Data Quality Index numbers shown on a scale of 0-100.
         0 = Poor, 100 = Excellent.

Rating definitions:
         A: As good as it gets
         B: Good
         C: Use with caution
         D: Poor
         E: Extremely poor quality

The index calculations and displayed data are derived from the most current and up-to-date source data available.
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POPULATION PROFILE

World Economics has collated key demographic data for Australia in the table below. The data covers Population size, average age and dependency ratios.


Population Profile
Ranked by Population Size: 2025
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Country
 Population
Size
(Millions, 2025)		 Median
Age
(Years)		 Fertility
Rate
(2025)		 Age
Dependency
(Young)		 Age
Dependency
(Old)		 Age
Dependency
(Total)




Ghana 35.5 21.3 3.1% 57.3% 6.4% 63.7%
Peru 34.8 30.2 1.7% 34.7% 14.5% 49.2%
Saudi Arabia 35.0 29.6 2.0% 31.9% 4.3% 36.2%
Madagascar 33.4 19.2 3.6% 66.8% 6.1% 72.9%
Cote d'Ivoire 33.3 18.3 3.9% 69.9% 4.7% 74.7%
Nepal 29.5 25.3 1.7% 42.2% 10.3% 52.5%
Cameroon 30.5 18.0 3.9% 72.4% 5.0% 77.4%
Niger 28.7 15.6 5.5% 89.0% 5.1% 94.1%
Australia 27.1 38.3 1.4% 27.4% 28.8% 56.2%
Mali 25.8 15.7 5.2% 87.0% 4.5% 91.5%
Burkina Faso 24.5 17.7 3.8% 71.4% 4.8% 76.2%
Taiwan 22.9 44.8 0.6% 16.6% 30.9% 47.5%
Sri Lanka 23.2 33.3 1.7% 32.5% 19.5% 52.0%
Malawi 22.7 18.1 3.3% 68.4% 4.5% 72.9%
Zambia 22.4 17.9 3.7% 70.5% 3.6% 74.1%
Kazakhstan 21.0 29.7 2.7% 46.7% 15.1% 61.8%
Chad 21.5 15.8 5.7% 88.7% 4.1% 92.9%


Access full Population table


Data Notes
Data sources:
Fertility rate data is from the United Nations Population Prospect Database, Actual data to 2024, Medium estimate used for 2024-2050.

The displayed data are derived from the most current and up-to-date source data available.
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Related Data
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