Average IQ in Brazil
Based on the UniversalIQTest.com online dataset (Passed quality checks / All results)
The average IQ in Brazil is 97.1 in our dataset of 1,490 test results. See the full distribution, confidence interval, and how Brazil 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 Brazil (p10-p90)
IQ breakdowns in Brazil by age, gender, education, and study area
Average IQ in Brazil by age group
| Age group | IQ-style score | Approx. interval | N |
|---|---|---|---|
| Young Adult (19-35) | 98.5 | 97.3–99.7 | 666 |
| Adult (36-65) | 96.4 | 95–97.8 | 462 |
| Youth (12-18) | 96 | 94.3–97.7 | 326 |
| Senior (66-100) | 91.4 | 86.1–96.7 | 36 |
Average IQ in Brazil by gender
| Gender | IQ-style score | Approx. interval | N |
|---|---|---|---|
| Male | 98.7 | 97.7–99.7 | 981 |
| Female | 94.1 | 92.8–95.4 | 496 |
Average IQ in Brazil by education level
| Education level | IQ-style score | Approx. interval | N |
|---|---|---|---|
| Primary or Secondary | 94.7 | 93.2–96.2 | 408 |
| Bachelor | 98.9 | 97.3–100.5 | 406 |
| Post Secondary | 96.8 | 95.1–98.5 | 314 |
| Short-cycle tertiary | 96.1 | 94.1–98.1 | 244 |
| Master degree | 101.2 | 97.9–104.5 | 81 |
| Doctorate | 104.3 | 98.1–110.5 | 28 |
Average IQ in Brazil by study area
| Rank | Study area | IQ-style score | Approx. interval | N |
|---|---|---|---|---|
| 1 | Computer Science | 101.8 | 97.8–105.8 | 78 |
| 2 | Visual Arts | 100.5 | 93.5–107.5 | 36 |
| 3 | Engineering and Technology | 99.6 | 97.3–101.9 | 183 |
| 4 | Theology | 99.3 | 92.2–106.4 | 20 |
| 5 | Mathematics | 98.7 | 92.7–104.7 | 39 |
| 6 | Medicine and Health | 98.1 | 94.8–101.4 | 86 |
| 7 | Biology | 97.8 | 92–103.6 | 34 |
| 8 | Business | 97.7 | 94.3–101.1 | 69 |
| 9 | Law | 97.3 | 93.4–101.2 | 50 |
| 10 | No diploma | 95.9 | 94.7–97.1 | 601 |
| 11 | Languages and Literature | 95.7 | 91.8–99.6 | 46 |
| 12 | Economics | 95.5 | 91.7–99.3 | 48 |
| 13 | Psychology | 92.3 | 87.9–96.7 | 45 |
Average IQ in Brazil: frequently asked questions
- What is the average IQ in Brazil?
- Our dataset shows an average of 97.1 IQ-style points for Brazil, based on 1,490 results (Approx. interval 96.3–97.9, median 95.6).
- How many people from Brazil took the test?
- 4,673 results from Brazil are included in our dataset, of which 1,490 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.