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

101.2

95% CI: 99.4 to 103

Validated / All N

212 / 6,506

Validation rate: 3.3%

p10 / Median (p50) / p90

p10: 83.1

p50: 101.4

p90: 121.7

Avg time

46:01

Last updated

2026-06-18

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Current view N: 212

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)	102.9	99.9 to 105.9	79
Youth (12-18)	100.5	96.1 to 104.9	42
Adult (36-65)	99.4	97.2 to 101.6	78
Senior (66-100)	97.2	87.9 to 106.5	13

Average IQ in Portugal by gender

Gender table

Gender	Mean IQ	95% CI	N
Male	103	100 to 106	111
Female	98.4	96.1 to 100.7	101

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	98.9	95.8 to 102	75
Bachelor	101.5	97.6 to 105.4	49
Master degree	105	100.2 to 109.8	42
Post Secondary	98.9	93.6 to 104.2	20
Short-cycle tertiary	101.2	96.7 to 105.7	18
Doctorate	107.4	96.4 to 118.4	8

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	100.6	96.2 to 105	23
2	No diploma	99.8	96.5 to 103.1	61

Data last updated: 2026-06-18 (latest test submission).

Page refreshed: 2026-06-23 20:28:55.291 UTC (site build time).