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.

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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 group	Mean IQ	95% CI	N
Young Adult (19-35)	101.8	98.6 to 105	68
Youth (12-18)	100.4	95.6 to 105.2	35
Adult (36-65)	99.9	97.8 to 102	72
Senior (66-100)	99.3	89.6 to 109	11

Average IQ in Portugal by gender

Gender table

Gender	Mean IQ	95% CI	N
Male	103.1	99.9 to 106.3	94
Female	98.2	95.8 to 100.6	92

Average IQ in Portugal 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
Primary or Secondary	98.4	95.3 to 101.5	62
Bachelor	100.6	96.2 to 105	42
Master degree	105.3	99.8 to 110.8	39
Post Secondary	98.6	92.6 to 104.6	18
Short-cycle tertiary	101.3	96.7 to 105.9	18
Doctorate	110.8	100 to 121.6	7

Average IQ in Portugal by study area

Hide small samples (N < 20)

Note: groups with N<20 are hidden by default.

Top study areas in Portugal (N >= 20)

Rank	Study area	Mean IQ	95% CI	N
1	No diploma	99.8	96.3 to 103.3	50
2	Visual Arts	99.5	95.7 to 103.3	21

Data last updated: 2026-05-07 (latest test submission).

Page refreshed: 2026-05-09 10:25:28.762 UTC (site build time).