Average IQ in the United Kingdom
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
100.3
95% CI: 99.2 to 101.4
Validated / All N
618 / 1,661
Validation rate: 37.2%
p10 / Median (p50) / p90
p10: 82.5
p50: 99.9
p90: 117.4
Avg time
41:55
Last updated
2026-03-24
View
Current view N: 618
IQ distribution in the United Kingdom (p10-p90)
United Kingdom
85100115
IQ score
IQ breakdowns in the United Kingdom by age, gender, education, and study area
Average IQ in the United Kingdom 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) | 103.2 | 101.6 to 104.8 | 276 |
| Youth (12-18) | 98.7 | 96.4 to 101 | 141 |
| Adult (36-65) | 97.8 | 95.9 to 99.7 | 191 |
| Senior (66-100) | 96.4 | 85.5 to 107.3 | 10 |
Average IQ in the United Kingdom by gender
Gender table
| Gender | Mean IQ | 95% CI | N |
|---|---|---|---|
| Male | 102.1 | 100.5 to 103.7 | 333 |
| Female | 98.4 | 96.9 to 99.9 | 285 |
Average IQ in the United Kingdom 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 |
|---|---|---|---|
| Bachelor | 100.6 | 98.6 to 102.6 | 185 |
| Primary or Secondary | 99.2 | 97 to 101.4 | 167 |
| Master degree | 102.2 | 99.4 to 105 | 105 |
| Post Secondary | 98.1 | 95.4 to 100.8 | 92 |
| Short-cycle tertiary | 101.6 | 98.2 to 105 | 62 |
| Doctorate | 108.2 | 95 to 121.4 | 7 |
Average IQ in the United Kingdom by study area
Note: groups with N<20 are hidden by default.
Top study areas in the United Kingdom (N >= 20)
| Rank | Study area | Mean IQ | 95% CI | N |
|---|---|---|---|---|
| 1 | Mathematics | 106.1 | 100.4 to 111.8 | 21 |
| 2 | Computer Science | 105.3 | 100.9 to 109.7 | 30 |
| 3 | Visual Arts | 103.5 | 97.3 to 109.7 | 37 |
| 4 | Engineering and Technology | 102 | 98.6 to 105.4 | 56 |
| 5 | Economics | 101.1 | 97.3 to 104.9 | 47 |
| 6 | Business | 100.5 | 95.7 to 105.3 | 37 |
| 7 | No diploma | 99.5 | 97.6 to 101.4 | 190 |
| 8 | Languages and Literature | 95.3 | 91.1 to 99.5 | 30 |
| 9 | Medicine and Health | 95.3 | 90.5 to 100.1 | 24 |
Data last updated: 2026-03-24 (latest test submission).
Page refreshed: 2026-03-25 12:42:41.697 UTC (site build time).