Uncommon
Triple Nine Society
High IQ society
Triple Nine Society
The Triple Nine Society (TNS) is an international high-IQ society for adults whose score on a standardized test demonstrates an IQ at or above the 99.9th percentile of the human population. The society recognizes scores from over 20 intelligence and academic aptitude tests. TNS was founded in 1978, and, as of 2026, reports a member base of over 2,000 people in 53 US jurisdictions and 39 countries. Since 2010, the organization has been a non-profit 501(c)(7) organization incorporated in Virginia, USA.
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