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Average IQ in Portugal

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
100.8
95% CI: 98.8 to 102.8
Validated / All N
175 / 6,233
Validation rate: 2.8%
p10 / Median (p50) / p90
p10: 82.4
p50: 100.5
p90: 121
Avg time
36:57
Last updated
2026-04-21
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Current view N: 175

IQ distribution in Portugal (p10-p90)

Portugal
85100115
IQ score

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

Average IQ in Portugal by age group

Small sample: at least one group has N<50 (estimates are unstable).
Age group table
Age groupMean IQ95% CIN
Young Adult (19-35)101.698.4 to 104.865
Youth (12-18)100.895.7 to 105.932
Adult (36-65)99.597.4 to 101.669
Senior (66-100)97.885.5 to 110.19

Average IQ in Portugal by gender

Gender table
GenderMean IQ95% CIN
Male102.999.7 to 106.188
Female9895.6 to 100.487

Average IQ in Portugal by education level

Small sample: at least one group has N<50 (estimates are unstable).
Education table (largest samples)
Education levelMean IQ95% CIN
Primary or Secondary98.595.3 to 101.758
Bachelor100.295.8 to 104.641
Master degree10599.4 to 110.636
Post Secondary98.192.2 to 10417
Short-cycle tertiary10196.6 to 105.417
Doctorate109.997.9 to 121.96

Average IQ in Portugal by study area

Note: groups with N<20 are hidden by default.
Top study areas in Portugal (N >= 20)
RankStudy areaMean IQ95% CIN
1Visual Arts10096.1 to 103.920
2No diploma99.796.2 to 103.248
Data last updated: 2026-04-21 (latest test submission).
Page refreshed: 2026-04-22 02:33:28.563 UTC (site build time).

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