Average IQ in Belgium
Based on the UniversalIQTest.com online dataset (Passed quality checks / All results)
The average IQ in Belgium is 101.1 in our dataset of 603 test results. See the full distribution, confidence interval, and how Belgium compares worldwide.
These are averages from self-selected participants in the UniversalIQTest.com online test (not population IQ).
Use N and Approx. interval when comparing; avoid causal conclusions.
The displayed group score converts the group’s average percentile rank in the selected dataset view to an IQ-style scale (100, standard deviation 15). It is not the arithmetic mean of individual IQ scores.
Intervals use an approximate spread estimated from the interquartile range and sample size. They are indicative uncertainty ranges around the transformed group score, not validated confidence intervals for a population mean.
See Methodology & limits.
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IQ distribution in Belgium (p10-p90)
IQ breakdowns in Belgium by age, gender, education, and study area
Average IQ in Belgium by age group
| Age group | IQ-style score | Approx. interval | N |
|---|---|---|---|
| Young Adult (19-35) | 103.1 | 101–105.2 | 180 |
| Adult (36-65) | 99.9 | 98.3–101.5 | 289 |
| Youth (12-18) | 98.3 | 95.8–100.8 | 102 |
| Senior (66-100) | 97 | 91.8–102.2 | 32 |
Average IQ in Belgium by gender
| Gender | IQ-style score | Approx. interval | N |
|---|---|---|---|
| Male | 101.9 | 100.3–103.5 | 316 |
| Female | 98.7 | 97.1–100.3 | 283 |
Average IQ in Belgium by education level
| Education level | IQ-style score | Approx. interval | N |
|---|---|---|---|
| Primary or Secondary | 98.9 | 96.9–100.9 | 193 |
| Bachelor | 102.7 | 100.6–104.8 | 147 |
| Master degree | 105.4 | 103–107.8 | 114 |
| Short-cycle tertiary | 100 | 97.7–102.3 | 71 |
| Post Secondary | 96.5 | 93.3–99.7 | 67 |
| Doctorate | 109.3 | 102–116.6 | 8 |
Average IQ in Belgium by study area
| Rank | Study area | IQ-style score | Approx. interval | N |
|---|---|---|---|---|
| 1 | Engineering and Technology | 107.7 | 103.7–111.7 | 64 |
| 2 | Computer Science | 107 | 101.7–112.3 | 24 |
| 3 | Visual Arts | 102 | 96.6–107.4 | 31 |
| 4 | Medicine and Health | 101.4 | 98.3–104.5 | 30 |
| 5 | Economics | 100.6 | 97.2–104 | 62 |
| 6 | Languages and Literature | 99.4 | 96.4–102.4 | 26 |
| 7 | Social Work | 99.1 | 93.1–105.1 | 30 |
| 8 | No diploma | 98.4 | 96.3–100.5 | 177 |
| 9 | Business | 96.7 | 91.7–101.7 | 20 |
Average IQ in Belgium: frequently asked questions
- What is the average IQ in Belgium?
- Our dataset shows an average of 101.1 IQ-style points for Belgium, based on 603 results (Approx. interval 100–102.2, median 101.9).
- How many people from Belgium took the test?
- 1,260 results from Belgium are included in our dataset, of which 603 pass our internal validation checks for timing, completion and consistency.
- Is this the same as the average IQ of the population?
- These are averages from self-selected participants in the UniversalIQTest.com online test (not population IQ).
Related statistics
Country IQ pages
Explore country-level IQ stats based on the UniversalIQTest.com online dataset.