Welcome to Mensa, the High IQ Society. Mensa has around 150,000 members of all ages in 90+ countries worldwide.

Mensa International is the largest and oldest high-IQ society in the world. [3][4][5] It is a non-profit organization open to people who score at the 98th percentile or higher on a standardised, supervised …

With more than 40,000 members, American Mensa is the largest national Mensa operating under the auspices of Mensa International, Ltd.

This challenge involves trying to solve 35 puzzles within 25 minutes. The puzzles get progressively difficult as you move through the test.

What is the new Mensa Online IQ Test? Developed by experts in psychology and intelligence testing, and benchmarked against the current population’s IQ, our new Online IQ Test provides a precise and …

Mensa isn’t just about IQ — it’s about people who love learning as much as you do. Some like the social aspect of the organization, which includes everything from local game nights to big national events …

Use your member.mensa.org email address to join! If you don't have one already, set up a vanity email forwarder on member.mensa.org. Contact UserSupport@mensa.org if you encounter problems.

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Mensa is an organization for people with very high IQs. What does it take to get accepted into this organization? Learn about Mensa in this article.

Apr 14, 2026 · Mensa requires a top-2% IQ (≈132 SD-15, 148 SD-24). Learn the qualifying cutoff, accepted tests, application process and how to prepare.