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
100.3
95% CI: 98 to 102.6
Validated / All N
136 / 6,153
Validation rate: 2.2%
p10 / Median (p50) / p90
p10: 82
p50: 99.9
p90: 122.1
Avg time
36:20
Last updated
2026-02-07
View
Current view N: 136
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 |
|---|---|---|---|
| Youth (12-18) | 101.2 | 96.5 to 105.9 | 24 |
| Young Adult (19-35) | 100.4 | 97.5 to 103.3 | 50 |
| Adult (36-65) | 99.2 | 96.1 to 102.3 | 56 |
| Senior (66-100) | 99 | 88.5 to 109.5 | 6 |
Average IQ in Portugal by gender
Gender table
| Gender | Mean IQ | 95% CI | N |
|---|---|---|---|
| Male | 102.5 | 99.2 to 105.8 | 67 |
| Female | 97.6 | 94.7 to 100.5 | 69 |
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 | 97.4 | 94.2 to 100.6 | 45 |
| Bachelor | 99.1 | 92.6 to 105.6 | 32 |
| Master degree | 107.2 | 100.4 to 114 | 25 |
| Post Secondary | 97.6 | 91.8 to 103.4 | 16 |
| Short-cycle tertiary | 99.7 | 95.4 to 104 | 12 |
| Doctorate | 110.1 | 98.3 to 121.9 | 6 |
Average IQ in Portugal by study area
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 | 99.7 | 96.1 to 103.3 | 38 |
Data last updated: 2026-02-07 (latest test submission).
Page refreshed: 2026-02-08 19:16:09.131 UTC (site build time).