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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
101.1
95% CI: 99.2 to 103
Validated / All N
186 / 6,381
Validation rate: 2.9%
p10 / Median (p50) / p90
p10: 82.7
p50: 100.7
p90: 121.7
Avg time
37:05
Last updated
2026-05-07
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Current view N: 186

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)101.898.6 to 10568
Youth (12-18)100.495.6 to 105.235
Adult (36-65)99.997.8 to 10272
Senior (66-100)99.389.6 to 10911

Average IQ in Portugal by gender

Gender table
GenderMean IQ95% CIN
Male103.199.9 to 106.394
Female98.295.8 to 100.692

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 Secondary98.495.3 to 101.562
Bachelor100.696.2 to 10542
Master degree105.399.8 to 110.839
Post Secondary98.692.6 to 104.618
Short-cycle tertiary101.396.7 to 105.918
Doctorate110.8100 to 121.67

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
1No diploma99.896.3 to 103.350
2Visual Arts99.595.7 to 103.321
Data last updated: 2026-05-07 (latest test submission).
Page refreshed: 2026-05-09 10:25:28.762 UTC (site build time).

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