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Bold = updated on
March 8 2008

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High IQ Societies

The high IQ societies listed below all require you to pass an iq test as a condition for membership. The smaller the %, the higher the IQ required.

Mensa International Ltd Top 2%

High IQ email society (No high IQ requirement)
High IQ Society.com Top 5%
Top One Percent Society Top 1%
Mysterium Top 2%
Intertel Top 1%
Colloquy Yahoo group, Top 1/2%
Poetic Genius Society Top 1/2%
Cerebrals Society Top 0.3%
One in A Thousand Society Top 0.1%
Triple Nine Society Top 0.1%
IQuadrivium Society Top 0.1%
SesquIQ Top 0.1%
Prometheus Society Top 0.03%
Ultranet Top 0.03%
Mega Society Top 0.001%

History of various High IQ Societies here.

Think you're smart? Try the Mental Performance Test! Answer 8 correct and you can joiin the Sigma Society! The questions are challenging...