Average IQ in Brazil

The average IQ in Brazil is estimated at 87, based on the national IQ datasets of Lynn & Vanhanen (2012) and Rindermann (2018). It is a rough, contested estimate, not a measurement.

The average IQ in Brazil is about 87. What's yours?

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−13
Points below the UK-normed 100
#55
Education ranking
6/10
Happiness index

How does Brazil compare with other countries?

In the same dataset, Brazil's estimate of 87 compares with Argentina (93) and Mexico (88), and with the United Kingdom (100) and the United States (98). Gaps between countries mostly track schooling, health and familiarity with tests, and they say nothing about any individual.

Brazil next to its Latin American neighbours, the UK and the US. Same datasets, same scale.
CountryAvg IQHappiness
Brazil876/10
Argentina936/10
Mexico887/10
United Kingdom1007/10
United States987/10

Differences of a few points sit inside the uncertainty of these estimates. See all country estimates or check where one person's score falls on the IQ bell curve.

What is the average IQ in Brazil?

The average IQ in Brazil is estimated at 87, from the national IQ compilations of Lynn & Vanhanen (2012) and Rindermann (2018). That is 13 points below the reference average of 100, anchored to UK test norms. It describes average test results, not any individual.

The estimated average IQ of 87 places Brazil below the global mean of 100. Remember: these are population averages with significant variance. Individual intelligence varies widely within any country, and many factors beyond innate ability affect test performance.

Wondering what a score of 87 means for one person? The IQ 87 page covers its percentile and what it does and does not tell you.

Where the number comes from, and its limits

LifeScore shows a rounded estimate drawn from the national IQ compilations of Lynn & Vanhanen (2012) and Rindermann (2018). Both gather published test results for each country and convert them to a common scale. Researchers disagree about how far those figures can be trusted, for these reasons:

  1. Different tests

    National figures combine different instruments, such as Raven's matrices, Wechsler scales and school assessments like PISA, taken in different years and converted to one scale. The 87 for Brazil inherits every step of that conversion.

  2. Sampling

    Some national estimates rest on small or unrepresentative samples, such as one city, school or age group. Reviews such as Wicherts, Dolan and van der Maas (2010) found that sample choices can move a country figure by many points.

  3. Education and health

    Scores rise with years of schooling, nutrition, health care and familiarity with timed tests, so a national average partly measures those conditions rather than a fixed trait.

  4. The Flynn effect

    Raw scores on many tests rose by roughly 3 points a decade during the 20th century (Flynn, 1987), and some countries have since seen plateaus or declines. The year a sample was tested changes the number.

  5. Not about individuals or ethnicity

    The spread of scores inside Brazil, as in any country, is far wider than the gap between countries. A national estimate says nothing about any person, and it is not evidence about ethnicity or genetics.

Culture and personality in Brazil

Relationship-first culture with high social intelligence. Strengths include adaptability and resilience; risks include inequality and institutional distrust.

The dominant personality pattern in Brazil is High Extraversion. This shapes daily life: expectations at work, social norms, and what behaviors get rewarded or punished. Understanding this baseline helps explain cultural friction when different personality styles interact.

The Connector archetype captures Brazil's cultural identity. This archetype rewards certain strengths: Warmth and Flexibility. The shadow side includes the typical failure modes of this pattern, overextension of strengths into weaknesses.

Work and social life

The workplace in Brazil operates according to implicit rules shaped by cultural values like Warmth and Flexibility. Expatriates and newcomers often experience friction until they understand and adapt to these patterns.

The social fabric of Brazil is woven from values like Warmth, Flexibility, and Creativity. These values create unwritten rules about reciprocity, obligation, and social hierarchy that govern daily interactions.

Cultural values

  1. Warmth

    Warmth is a core cultural value in Brazil that shapes expectations and behavior across social, professional, and personal contexts.

  2. Flexibility

    Flexibility is a core cultural value in Brazil that shapes expectations and behavior across social, professional, and personal contexts.

  3. Creativity

    Creativity is a core cultural value in Brazil that shapes expectations and behavior across social, professional, and personal contexts.

Education and wellbeing

Brazil's education ranking (#55) indicates room for improvement in educational systems. This ranking reflects current performance rather than inherent potential, many countries have dramatically improved their educational outcomes through targeted reforms.

Brazil's happiness index (6/10) is moderate, indicating a balance of stressors and supports. This mid-range score suggests areas of strength alongside areas for potential improvement in national wellbeing.

Brazil: frequently asked questions

What is the national personality of Brazil?

Brazil tends toward High Extraversion as a dominant cultural pattern. Key traits include Warmth, Flexibility, and Creativity. This shapes social norms and expectations, though individual variation remains significant within the population.

Is Brazil a good place to live?

It depends on personal fit. Brazil ranks #55 in education and scores 6/10 on happiness. The Connector culture rewards Warmth and Flexibility. If those align with your values and personality, you'll likely thrive. Cultural fit matters as much as objective metrics.

Is the IQ data for Brazil reliable?

National IQ estimates have significant limitations. The 87 figure for Brazil is based on available research but affected by sampling issues, test cultural bias, and varying educational access. It's best understood as a rough indicator of average test performance, not a measure of inherent cognitive capacity.

What is the work culture like in Brazil?

Work culture in Brazil reflects The Connector pattern. Professional environments tend to reward High Extraversion behavior and emphasize values like Warmth. Understanding these implicit expectations is important for career success.

How does Brazil rank in education?

Brazil ranks #55 globally in education according to international assessments. This ranking reflects current performance and ongoing development. Education quality contributes to the country's cognitive and economic profile.

What is the happiness level in Brazil?

Brazil scores 6/10 on the happiness index. This moderate score indicates a balance of positive and challenging factors. Happiness scores correlate with social trust, freedom, and support.

What is Brazil's cultural archetype?

Brazil is characterized as a Connector culture. This archetype shapes how the society approaches problems, structures relationships, and defines success. Key strengths include Warmth and Flexibility, while shadow sides include typical failure modes of this pattern.

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Sources

  1. Lynn, R., & Vanhanen, T. (2012). Intelligence: A Unifying Construct for the Social Sciences. Ulster Institute for Social Research.
  2. Rindermann, H. (2018). Cognitive Capitalism: Human Capital and the Wellbeing of Nations. Cambridge University Press.
  3. Wicherts, J. M., Dolan, C. V., & van der Maas, H. L. J. (2010). A systematic literature review of the average IQ of sub-Saharan Africans. Intelligence.
  4. Flynn, J. R. (1987). Massive IQ gains in 14 nations: What IQ tests really measure. Psychological Bulletin.
  5. OECD (2023). PISA 2022 Results. OECD Publishing.
  6. World Happiness Report (2023).

Last reviewed September 2026 by the LifeScore Editorial Team.