Average IQ Australia

Australia has an average IQ of 99.2 in 2023. Australia ranks 17th in the list of the world's smartest countries in 2023.

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Adalaide, Australia

Why Australia?

Genetic Factors: Research suggests genetic predispositions play the main role in the intelligence levels observed.1

Education System: Despite recent challenges, Australia's education system ranks in the top 10 internationally in mathematics, science, and reading, according to PISA results, reflecting the nation's commitment to educational quality.2

Economic and Cultural Development: Australia's economy shows strength and resilience, benefiting from high population growth and contributing to its global standing and quality of life.3


  1. Plomin, R., von Stumm, S. The new genetics of intelligence. Nat Rev Genet 19, 148–159 (2018). https://doi.org/10.1038/nrg.2017.104.
  2. PISA results 2023. "Australia in long term slide in reading, maths and science." The Sydney Morning Herald. https://www.smh.com.au/education/australia-s-long-term-slide-in-reading-maths-and-science-pisa-results-show-20231204-p5ep03.html.
  3. KPMG. Australia Economic Outlook: Q3 2023. "Australian economy shows surprising strength and resilience." https://kpmg.com/au/en/home/insights/2023/11/economic-outlook-australia-q3-2023.html.


What is Average IQ Australia?
Average IQ in Australia is 99.2. Australia ranks 17th in the list of the world's smartest countries in 2023.