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Average IQ in Brazil

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.

Mean IQ
98.8
95% CI: 97.1 to 100.5
Validated / All N
412 / 1,419
Validation rate: 29.0%
p10 / Median (p50) / p90
p10: 77.2
p50: 98.9
p90: 119
Avg time
46:30
Last updated
2026-03-23
View
Current view N: 412

IQ distribution in Brazil (p10-p90)

Brazil
85100115
IQ score

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

Average IQ in Brazil by age group

Small sample: at least one group has N<50 (estimates are unstable).
Age group table
Age groupMean IQ95% CIN
Adult (36-65)99.296.2 to 102.2140
Young Adult (19-35)98.796.2 to 101.2176
Youth (12-18)98.595.3 to 101.791
Senior (66-100)93.389.1 to 97.55

Average IQ in Brazil by gender

Gender table
GenderMean IQ95% CIN
Male10198.9 to 103.1270
Female94.491.9 to 96.9142

Average IQ in Brazil by education level

Small sample: at least one group has N<50 (estimates are unstable).
Education table (largest samples)
Education levelMean IQ95% CIN
Bachelor100.697.5 to 103.7125
Primary or Secondary9894.1 to 101.9101
Post Secondary96.593.4 to 99.687
Short-cycle tertiary97.794.1 to 101.362
Master degree99.593.7 to 105.329
Doctorate111.2105.3 to 117.18

Average IQ in Brazil by study area

Note: groups with N<20 are hidden by default.
Top study areas in Brazil (N >= 20)
RankStudy areaMean IQ95% CIN
1Medicine and Health100.893.4 to 108.224
2Engineering and Technology100.796.9 to 104.555
3Business99.394.7 to 103.924
4No diploma97.895.1 to 100.5164
Data last updated: 2026-03-23 (latest test submission).
Page refreshed: 2026-03-24 07:51:45.126 UTC (site build time).

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