Average IQ in Uruguay: Score, Ranking & Analysis
Average IQ
96
Global Ranking
#125
out of ~199 countries
Region
South America
Important note: National average IQ scores are estimates based on limited sample sizes and vary across studies. These figures are heavily influenced by socioeconomic factors, access to quality education, healthcare, nutrition, and testing conditions. They do not reflect the intelligence or potential of any individual from that country. IQ scores measure specific cognitive skills and should be interpreted within their proper scientific context.
Education System in Uruguay
Uruguay has one of South America's strongest education traditions, establishing free, secular, and compulsory public education as early as the 1870s under José Pedro Varela's reforms. The country has near-universal literacy at around 99% and one of Latin America's highest secondary completion rates. Uruguay consistently scores among the top Latin American countries on PISA assessments. The country was a pioneer in the One Laptop Per Child program, distributing computers to every public school student. Higher education is free at the public university level. Uruguay's small, predominantly urban, and relatively homogeneous population enables more consistent delivery of quality education than larger, more diverse regional neighbors.
To understand what IQ scores measure and how they're calculated, see our guide on what IQ is. For a breakdown of what different score levels mean, visit our IQ score ranges page.
Uruguay Compared to South America
South America IQ Comparison
Here is how Uruguay compares to other countries in South America that are included in our database:
| Country | Average IQ | Global Rank |
|---|---|---|
| Uruguay | 96 | #125 |
| Argentina | 93 | #55 |
| Colombia | 89 | #85 |
| Bolivia | 87 | #89 |
| Ecuador | 89 | #90 |
| Peru | 85 | #91 |
Countries with Similar Rankings
These countries have similar average IQ scores and global rankings to Uruguay:
| Country | Average IQ | Global Rank | Region |
|---|---|---|---|
| Brunei | 97 | #115 | Southeast Asia |
| Haiti | 67 | #116 | Caribbean |
| Dominican Republic | 82 | #117 | Caribbean |
| Guatemala | 79 | #118 | South America |
| Honduras | 81 | #119 | South America |
Understanding IQ Distribution
It's crucial to remember that national averages represent the middle of a wide distribution. Within every country, individual IQ scores span the full range from below 70 to above 130 and beyond. A country with an average IQ of 96 will have many individuals scoring well above and below that number. Factors like socioeconomic status, nutrition, education quality, and access to healthcare play significant roles in cognitive development and test performance.
The Flynn Effect — the observation that IQ scores have risen substantially over time in many countries — suggests that environmental improvements like better nutrition, healthcare, and education access can significantly impact cognitive test performance at the population level. Many developing nations are experiencing rapid improvements in these areas.
Frequently Asked Questions
What is the average IQ in Uruguay?
Uruguay's average IQ is estimated at 96, ranking #125 globally. Uruguay is one of South America's education leaders, with free public education dating to 1870s reforms and near-universal literacy of around 99%.
Why does Uruguay score 96 on average IQ?
Uruguay's strong score reflects over 150 years of free secular public education, near-universal 99% literacy, consistently high PISA performance among Latin American nations, free public university education, innovative programs like One Laptop Per Child for all public school students, and a small predominantly urban population that enables more uniform quality than larger regional neighbors.
How does Uruguay compare to Argentina?
Uruguay (96) scores similarly to Argentina (93). Both share River Plate cultural heritage, strong public education traditions, and European immigrant foundations that valued literacy. Uruguay's smaller and more uniformly urban population, combined with its sustained education investment, allows it to score slightly above Argentina despite Argentina's larger and more prestigious university sector.
Explore More Countries
See the full list of all countries on our Average IQ by Country page, or take our free IQ test to see how you compare.
MyIQScores Editorial Team
Researchers in cognitive psychology, psychometrics & educational science
Last updated
May 10, 2026
All content on MyIQScores is reviewed for scientific accuracy against peer-reviewed research in cognitive psychology and psychometrics. Our editorial team cross-references each article with published literature before publication and updates pages whenever new research warrants a revision.