Average IQ in Thailand: Score, Ranking & Analysis
Average IQ
91
Global Ranking
#68
out of ~199 countries
Region
Southeast Asia
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 Thailand
Thailand provides free education for 15 years, from pre-primary through upper secondary. The country has achieved near-universal primary enrollment and high literacy rates. However, education quality varies significantly between Bangkok and rural areas, and Thai students score below the OECD average on PISA. Recent reforms focus on reducing rote memorization and developing critical thinking skills. Thailand's education budget is among the largest in Southeast Asia as a percentage of GDP.
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.
Thailand Compared to Southeast Asia
Here is how Thailand compares to other countries in Southeast Asia that are included in our database:
| Country | Average IQ | Global Rank |
|---|---|---|
| Thailand | 91 | #68 |
| Vietnam | 94 | #50 |
| Philippines | 86 | #111 |
| Indonesia | 84 | #130 |
Countries with Similar Rankings
These countries have similar average IQ scores and global rankings to Thailand:
| Country | Average IQ | Global Rank | Region |
|---|---|---|---|
| Greece | 92 | #60 | Europe |
| Turkey | 90 | #75 | Middle East |
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 91 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 Thailand?
Thailand's average IQ is estimated at 91, ranking #68 globally. The country has made significant progress in educational access, though quality improvements remain an ongoing focus.
What are Thailand's main education challenges?
Thailand's primary challenges include significant urban-rural quality gaps, heavy reliance on rote memorization, teacher quality variation, and underperformance relative to education spending. Recent reforms aim to address these issues by emphasizing critical thinking.
How does Thailand compare to Vietnam?
Thailand (91) scores below Vietnam (94) despite having a higher GDP per capita. Vietnam's stronger performance is attributed to more efficient use of education resources and a stronger cultural emphasis on academic achievement.
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.