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

102.8

95% CI: 100.5 to 105.1

Validated / All N

212 / 566

Validation rate: 37.5%

p10 / Median (p50) / p90

p10: 84.4

p50: 103.8

p90: 122.3

Avg time

43:24

Last updated

2026-03-04

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Current view N: 212

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	102.9 to 108.5	117
Youth (12-18)	103.2	98.2 to 108.2	35
Adult (36-65)	99.4	95.6 to 103.2	55
Senior (66-100)	88.8	71.3 to 106.3	5

Average IQ in Australia by gender

Gender table

Gender	Mean IQ	95% CI	N
Male	103.5	100.7 to 106.3	118
Female	102.8	99.7 to 105.9	94

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	100.1 to 106.1	96
Primary or Secondary	101.4	95.8 to 107	46
Master degree	110.2	107.1 to 113.3	29
Post Secondary	99.7	94.4 to 105	19
Short-cycle tertiary	95.8	90.5 to 101.1	19
Doctorate	113.6	98.4 to 128.8	3

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	106.4	99.6 to 113.2	21
2	Business	104.1	99.9 to 108.3	22
3	No diploma	101.6	97.1 to 106.1	60

Data last updated: 2026-03-04 (latest test submission).

Page refreshed: 2026-03-09 17:03:28.189 UTC (site build time).