Average IQ in Sweden
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
101.1
95% CI: 99.6 to 102.6
Validated / All N
427 / 1,260
Validation rate: 33.9%
p10 / Median (p50) / p90
p10: 81.2
p50: 102
p90: 120.5
Avg time
51:49
Last updated
2026-03-24
View
Current view N: 427
IQ distribution in Sweden (p10-p90)
Sweden
85100115
IQ score
IQ breakdowns in Sweden by age, gender, education, and study area
Average IQ in Sweden 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 |
|---|---|---|---|
| Senior (66-100) | 103.4 | 97.6 to 109.2 | 14 |
| Young Adult (19-35) | 102.8 | 100.2 to 105.4 | 158 |
| Youth (12-18) | 100.1 | 97.3 to 102.9 | 114 |
| Adult (36-65) | 99.1 | 97 to 101.2 | 141 |
Average IQ in Sweden by gender
Gender table
| Gender | Mean IQ | 95% CI | N |
|---|---|---|---|
| Male | 102.5 | 100.6 to 104.4 | 251 |
| Female | 98.7 | 96.7 to 100.7 | 174 |
Average IQ in Sweden 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 | 100.8 | 98.7 to 102.9 | 190 |
| Bachelor | 101.3 | 98.2 to 104.4 | 88 |
| Master degree | 105.1 | 101.9 to 108.3 | 56 |
| Post Secondary | 99.8 | 96.6 to 103 | 47 |
| Short-cycle tertiary | 97.5 | 92.1 to 102.9 | 40 |
| Doctorate | 110.4 | 99.1 to 121.7 | 6 |
Average IQ in Sweden by study area
Note: groups with N<20 are hidden by default.
Top study areas in Sweden (N >= 20)
| Rank | Study area | Mean IQ | 95% CI | N |
|---|---|---|---|---|
| 1 | Economics | 103.5 | 101 to 106 | 37 |
| 2 | No diploma | 102.1 | 99.5 to 104.7 | 146 |
| 3 | Engineering and Technology | 100.9 | 97.3 to 104.5 | 55 |
| 4 | Medicine and Health | 98.9 | 94.1 to 103.7 | 27 |
Data last updated: 2026-03-24 (latest test submission).
Page refreshed: 2026-03-25 03:57:07.261 UTC (site build time).