Average IQ in Australia

Based on the UniversalIQTest.com online dataset (Validated / All results)

These are averages from self-selected participants in the UniversalIQTest.com online test (not population IQ).

Use N and 95% CI when comparing; avoid causal conclusions.

See Methodology & limits.

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Mean IQ

102.9

95% CI: 100.9 to 104.9

Validated / All N

245 / 629

Validation rate: 39.0%

p10 / Median (p50) / p90

p10: 84.3

p50: 104.3

p90: 122

Avg time

43:25

Last updated

2026-05-06

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Current view N: 245

IQ distribution in Australia (p10-p90)

Australia

85100115

IQ score

IQ breakdowns in Australia by age, gender, education, and study area

Average IQ in Australia by age group

Small sample: at least one group has N<50 (estimates are unstable).

Age group table

Age group	Mean IQ	95% CI	N
Young Adult (19-35)	105.8	103.1 to 108.5	133
Youth (12-18)	103	99.2 to 106.8	41
Adult (36-65)	99.5	95.6 to 103.4	66
Senior (66-100)	88.7	71.3 to 106.1	5

Average IQ in Australia by gender

Gender table

Gender	Mean IQ	95% CI	N
Male	104	101.5 to 106.5	140
Female	102.3	99.5 to 105.1	105

Average IQ in Australia by education level

Small sample: at least one group has N<50 (estimates are unstable).

Education table (largest samples)

Education level	Mean IQ	95% CI	N
Bachelor	103.1	100.3 to 105.9	106
Primary or Secondary	102	97.6 to 106.4	58
Master degree	109.5	106.6 to 112.4	33
Short-cycle tertiary	96.1	90.5 to 101.7	23
Post Secondary	100.2	95.2 to 105.2	21
Doctorate	112.3	97.8 to 126.8	4

Average IQ in Australia by study area

Hide small samples (N < 20)

Note: groups with N<20 are hidden by default.

Top study areas in Australia (N >= 20)

Rank	Study area	Mean IQ	95% CI	N
1	Engineering and Technology	105.4	98.8 to 112	23
2	Business	104.1	100.3 to 107.9	23
3	No diploma	102	98.3 to 105.7	73

Data last updated: 2026-05-06 (latest test submission).

Page refreshed: 2026-05-09 10:25:20.614 UTC (site build time).