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
100.5
95% CI: 98.5 to 102.5
Validated / All N
162 / 6,183
Validation rate: 2.6%
p10 / Median (p50) / p90
p10: 82.4
p50: 99.9
p90: 121.1
Avg time
36:28
Last updated
2026-03-25
View
Current view N: 162
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 | 95.5 to 106.5 | 28 |
| Young Adult (19-35) | 101 | 98.1 to 103.9 | 61 |
| Adult (36-65) | 99.5 | 97.2 to 101.8 | 66 |
| Senior (66-100) | 97.7 | 89.8 to 105.6 | 7 |
Average IQ in Portugal by gender
Gender table
| Gender | Mean IQ | 95% CI | N |
|---|---|---|---|
| Male | 102.6 | 99.3 to 105.9 | 78 |
| Female | 98.1 | 95.6 to 100.6 | 84 |
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 | 95 to 101 | 52 |
| Bachelor | 99.9 | 95.2 to 104.6 | 39 |
| Master degree | 105.6 | 99.4 to 111.8 | 34 |
| Post Secondary | 98.2 | 92.3 to 104.1 | 17 |
| Short-cycle tertiary | 98.6 | 94.6 to 102.6 | 14 |
| Doctorate | 110 | 98.1 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 | 99.4 | 96.1 to 102.7 | 43 |
Data last updated: 2026-03-25 (latest test submission).
Page refreshed: 2026-03-26 07:32:50.846 UTC (site build time).