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
100.4
95% CI: 97 to 103.8
Validated / All N
94 / 224
Validation rate: 42.0%
p10 / Median (p50) / p90
p10: 82.9
p50: 99.7
p90: 123.8
Avg time
38:29
Last updated
2026-05-02
View
Current view N: 94
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) | 103.9 | 96.7 to 111.1 | 33 |
| Youth (12-18) | 99.2 | 90.8 to 107.6 | 25 |
| Adult (36-65) | 97.3 | 92.6 to 102 | 30 |
| Senior (66-100) | 92.3 | 87.6 to 97 | 6 |
Average IQ in Ireland by gender
Small sample: at least one group has N<50 (estimates are unstable).
Gender table
| Gender | Mean IQ | 95% CI | N |
|---|---|---|---|
| Male | 100.1 | 95.1 to 105.1 | 60 |
| Female | 99.2 | 94.5 to 103.9 | 34 |
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 | 99.2 | 94.5 to 103.9 | 36 |
| Bachelor | 101.7 | 93.5 to 109.9 | 18 |
| Post Secondary | 98.6 | 92.5 to 104.7 | 16 |
| Master degree | 102.5 | 98.6 to 106.4 | 15 |
| Short-cycle tertiary | 101.7 | 88.1 to 115.3 | 9 |
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 | 99.3 | 92.6 to 106 | 34 |
Data last updated: 2026-05-02 (latest test submission).
Page refreshed: 2026-05-05 03:29:42.520 UTC (site build time).