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
100.1
95% CI: 97 to 103.2
Validated / All N
91 / 213
Validation rate: 42.7%
p10 / Median (p50) / p90
p10: 82.9
p50: 99.7
p90: 123.3
Avg time
38:13
Last updated
2026-04-21
View
Current view N: 91
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) | 103.1 | 96.3 to 109.9 | 31 |
| Youth (12-18) | 99.2 | 90.8 to 107.6 | 25 |
| Adult (36-65) | 97.3 | 92.5 to 102.1 | 29 |
| 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 | 99.6 | 94.6 to 104.6 | 58 |
| Female | 99.3 | 94.4 to 104.2 | 33 |
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 | 99.3 | 94.6 to 104 | 36 |
| Bachelor | 100.7 | 92.6 to 108.8 | 17 |
| Post Secondary | 98.6 | 92.5 to 104.7 | 16 |
| Master degree | 102.1 | 98 to 106.2 | 13 |
| Short-cycle tertiary | 101.7 | 88.2 to 115.2 | 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 | 99.4 | 92.7 to 106.1 | 34 |
Data last updated: 2026-04-21 (latest test submission).
Page refreshed: 2026-04-21 22:37:54.141 UTC (site build time).