World IQ Map · country report
Average IQ in Iran
5,039 people in Iran took the same 20-question IQ test as everyone else on the map. Iran ranks #42 of 53 countries.
98.6relative score
#42of 53
5,039people tested
-1.4vs world average (100)
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Where Iran sits
9095100 avg105110115120
#41
Venezuela99.0
#42
Iran98.6
#43Iran98.6
Yemen98.1
People who took the test in Persian scored lower than people from Iran who took it in another language — 98.5 vs 110.5 (4,972 vs 67 people). That is most likely a translation or localization effect, not a claim about anyone's ability — see the method page for the full country-by-country breakdown.
100 is the average score of everyone who has taken the test since 2026-07-15, and 15 points is one standard deviation. People choose to take the test online, so this shows how Iran's test-takers scored — it is not an official national measurement.
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