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

102.7

95% CI: 100.8 to 104.6

Validated / All N

265 / 684

Validation rate: 38.7%

p10 / Median (p50) / p90

p10: 84.1

p50: 104.5

p90: 121.7

Avg time

43:16

Last updated

2026-06-18

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Current view N: 265

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)	105.7	103.1 to 108.3	141
Youth (12-18)	102.3	99.4 to 105.2	49
Adult (36-65)	99.4	95.9 to 102.9	70
Senior (66-100)	88.6	71.2 to 106	5

Average IQ in Australia by gender

Gender table

Gender	Mean IQ	95% CI	N
Male	103.5	100.9 to 106.1	149
Female	102.5	100 to 105	116

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	100.3 to 105.7	109
Primary or Secondary	101.5	97.8 to 105.2	69
Master degree	109.8	107 to 112.6	36
Short-cycle tertiary	95.8	90.6 to 101	24
Post Secondary	100.4	95.5 to 105.3	23
Doctorate	112.2	97.7 to 126.7	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	105.3	98.3 to 112.3	25
2	Business	103.9	100.1 to 107.7	23
3	No diploma	101.5	98.3 to 104.7	85

Data last updated: 2026-06-18 (latest test submission).

Page refreshed: 2026-06-23 19:14:47.840 UTC (site build time).