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

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 group	Mean IQ	95% CI	N
Young Adult (19-35)	101.6	98.4 to 104.8	65
Youth (12-18)	100.8	95.7 to 105.9	32
Adult (36-65)	99.5	97.4 to 101.6	69
Senior (66-100)	97.8	85.5 to 110.1	9

Average IQ in Portugal by gender

Gender table

Gender	Mean IQ	95% CI	N
Male	102.9	99.7 to 106.1	88
Female	98	95.6 to 100.4	87

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	98.5	95.3 to 101.7	58
Bachelor	100.2	95.8 to 104.6	41
Master degree	105	99.4 to 110.6	36
Post Secondary	98.1	92.2 to 104	17
Short-cycle tertiary	101	96.6 to 105.4	17
Doctorate	109.9	97.9 to 121.9	6

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	Visual Arts	100	96.1 to 103.9	20
2	No diploma	99.7	96.2 to 103.2	48

Data last updated: 2026-04-21 (latest test submission).

Page refreshed: 2026-04-22 02:33:28.563 UTC (site build time).