Australia vs Saudi Arabia: Population, Persons for countries / Index for country groups

Australia
29.80 million
in 2031
Saudi Arabia
40.55 million
in 2031
Australia rank
13th
Saudi Arabia rank
10th

Population, Persons for countries / Index for country groups over time

  • Australia
  • Saudi Arabia
10.0M20.0M30.0M40.0M198020052031

How they compare

Saudi Arabia currently reports 40.55 million against 29.80 million in Australia, a difference of 10.75 million.

That makes Saudi Arabia's figure about 1.4 times Australia's.

The two have swapped places 1 time across 52 shared years of data; in 1980 it was Australia ahead.

Australia ranks 13th and Saudi Arabia ranks 10th of 26 countries.

Across the 6 decades both report, Australia averaged higher in 2 and Saudi Arabia in 4.

Head to head by decade

Decade Australia Saudi Arabia Difference Ahead
1980s 15.83 million 10.59 million 5.24 million Australia
1990s 18.03 million 15.79 million 2.24 million Australia
2000s 20.33 million 20.38 million 50,230 Saudi Arabia
2010s 23.84 million 28.32 million 4.48 million Saudi Arabia
2020s 27.41 million 35.09 million 7.67 million Saudi Arabia
2030s 29.63 million 40.15 million 10.53 million Saudi Arabia

Averages of every year both report within each decade.

Frequently asked questions

Which has higher population, persons for countries / index for country groups, Australia or Saudi Arabia?
Saudi Arabia, at 40.55 million against 29.80 million in Australia as of 2031.
What is the difference in population, persons for countries / index for country groups between Australia and Saudi Arabia?
10.75 million, with Saudi Arabia ahead.
How many years of comparable data are there for Australia and Saudi Arabia?
52 years are reported by both, from 1980 to 2031.
How do Australia and Saudi Arabia rank globally for population, persons for countries / index for country groups?
Australia ranks 13th and Saudi Arabia ranks 10th of 26 countries.
Where does this data come from?
International Monetary Fund, published as Population, Persons for countries / Index for country groups (9/26/2025). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Australia vs Saudi Arabia: Population, Persons for countries / Index for country groups. Statizoid, drawing on International Monetary Fund. Retrieved 31 August 2026, from https://population.statizoid.com/compare/population-persons-for-countries-index-for-country-groups-9-26-2025/australia/saudi-arabia/

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About this data

Indicator
Population, Persons for countries / Index for country groups (9/26/2025)
Source
International Monetary Fund
Licence
IMF Terms and Conditions (attribution required)
Coverage
26 places, 1,287 data points, 1980–2031
Last refreshed

The World Economic Outlook (WEO) database is created during the biannual WEO exercise, which begins in January and June of each year and results in the April and September/October WEO publication. Selected series from the publication are available in a database format.