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
95% CI: 96.5 to 103.5
Validated / All N
86 / 200
Validation rate: 43.0%
p10 / Median (p50) / p90
p10: 82.9
p50: 98.5
p90: 122.7
Avg time
37:30
Last updated
2026-03-19
View
Current view N: 86
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) | 103.3 | 96.5 to 110.1 | 31 |
| Youth (12-18) | 98.8 | 90.4 to 107.2 | 22 |
| Adult (36-65) | 97.2 | 92 to 102.4 | 28 |
| Senior (66-100) | 93.2 | 87.7 to 98.7 | 5 |
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 | 99.8 | 94.6 to 105 | 55 |
| Female | 99.2 | 93.9 to 104.5 | 31 |
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 | 98.8 | 93.8 to 103.8 | 34 |
| Bachelor | 100.9 | 92.8 to 109 | 17 |
| Master degree | 102.3 | 98.3 to 106.3 | 13 |
| Post Secondary | 98.7 | 90.2 to 107.2 | 13 |
| Short-cycle tertiary | 101.8 | 88.3 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 | 99.6 | 92 to 107.2 | 32 |
Data last updated: 2026-03-19 (latest test submission).
Page refreshed: 2026-03-20 05:22:18.424 UTC (site build time).