Average IQ in Ireland
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
100.2
95% CI: 97.6 to 102.8
Validated / All N
118 / 287
Validation rate: 41.1%
p10 / Median (p50) / p90
p10: 83
p50: 99.7
p90: 119.4
Avg time
43:52
Last updated
2026-06-17
View
Current view N: 118
IQ distribution in Ireland (p10-p90)
Ireland
85100115
IQ score
IQ breakdowns in Ireland by age, gender, education, and study area
Average IQ in Ireland 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) | 103 | 97.8 to 108.2 | 48 |
| Youth (12-18) | 99.1 | 90.7 to 107.5 | 25 |
| Adult (36-65) | 97.7 | 94 to 101.4 | 39 |
| Senior (66-100) | 92.1 | 87.4 to 96.8 | 6 |
Average IQ in Ireland by gender
Gender table
| Gender | Mean IQ | 95% CI | N |
|---|---|---|---|
| Male | 100.3 | 95.6 to 105 | 68 |
| Female | 99.2 | 95.3 to 103.1 | 50 |
Average IQ in Ireland 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 | 99.1 | 94.5 to 103.7 | 41 |
| Bachelor | 100.4 | 94 to 106.8 | 26 |
| Master degree | 102.3 | 98.8 to 105.8 | 19 |
| Post Secondary | 98.4 | 92.3 to 104.5 | 19 |
| Short-cycle tertiary | 102.6 | 94.5 to 110.7 | 13 |
Average IQ in Ireland by study area
Note: groups with N<20 are hidden by default.
Top study areas in Ireland (N >= 20)
| Rank | Study area | Mean IQ | 95% CI | N |
|---|---|---|---|---|
| 1 | No diploma | 99.2 | 94.1 to 104.3 | 40 |
Data last updated: 2026-06-17 (latest test submission).
Page refreshed: 2026-06-18 21:18:34.052 UTC (site build time).