Average IQ in Czech Republic
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
99.3
95% CI: 98.4 to 100.2
Validated / All N
978 / 2,427
Validation rate: 40.3%
p10 / Median (p50) / p90
p10: 80.1
p50: 99
p90: 117.6
Avg time
38:06
Last updated
2026-03-24
View
Current view N: 978
IQ distribution in Czech Republic (p10-p90)
Czech Republic
85100115
IQ score
IQ breakdowns in Czech Republic by age, gender, education, and study area
Average IQ in Czech Republic 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 |
|---|---|---|---|
| Youth (12-18) | 100 | 98.2 to 101.8 | 235 |
| Young Adult (19-35) | 100 | 98.8 to 101.2 | 413 |
| Adult (36-65) | 98.4 | 96.7 to 100.1 | 312 |
| Senior (66-100) | 87.8 | 83.3 to 92.3 | 18 |
Average IQ in Czech Republic by gender
Gender table
| Gender | Mean IQ | 95% CI | N |
|---|---|---|---|
| Male | 100.7 | 99.4 to 102 | 483 |
| Female | 97.9 | 96.8 to 99 | 495 |
Average IQ in Czech Republic 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 | 97.9 to 100.5 | 512 |
| Bachelor | 100.5 | 98.2 to 102.8 | 146 |
| Master degree | 101.2 | 99 to 103.4 | 138 |
| Post Secondary | 94.3 | 92.1 to 96.5 | 103 |
| Short-cycle tertiary | 99.6 | 96.6 to 102.6 | 66 |
| Doctorate | 105.7 | 100.8 to 110.6 | 13 |
Average IQ in Czech Republic by study area
Note: groups with N<20 are hidden by default.
Top study areas in Czech Republic (N >= 20)
| Rank | Study area | Mean IQ | 95% CI | N |
|---|---|---|---|---|
| 1 | Computer Science | 106 | 101.9 to 110.1 | 52 |
| 2 | Economics | 101.1 | 98.7 to 103.5 | 117 |
| 3 | No diploma | 99.2 | 97.8 to 100.6 | 386 |
| 4 | Engineering and Technology | 98.6 | 95.3 to 101.9 | 77 |
| 5 | Law | 98.5 | 93.7 to 103.3 | 22 |
| 6 | Visual Arts | 97 | 91.4 to 102.6 | 36 |
| 7 | Business | 96.6 | 92.9 to 100.3 | 34 |
| 8 | Languages and Literature | 96.2 | 92.8 to 99.6 | 25 |
| 9 | Performing Arts | 96.2 | 90.7 to 101.7 | 22 |
| 10 | Medicine and Health | 96 | 91 to 101 | 36 |
| 11 | Social Work | 95.4 | 91.3 to 99.5 | 26 |
Data last updated: 2026-03-24 (latest test submission).
Page refreshed: 2026-03-25 11:20:02.378 UTC (site build time).