The High IQ Society
What is Mensa?
Founded in 1946, Mensa is the oldest and largest high IQ society in the world. The name comes from the Latin word for "table," symbolizing a round-table society where all members are equal.
140,000+
Members across 100+ countries, from students to Nobel laureates Mensa International
World's largest high IQ society
Top 2%
Only those scoring in the 98th percentile or higher qualify for membership
IQ 130+ on most scales
Since 1946
Nearly 80 years of connecting brilliant minds and fostering intellectual exchange
Founded in Oxford, England
Could You Be a Mensan?
Only 1 in 50 people qualify for Mensa. Take our practice test to see where you stand before attempting the official exam.
Test Your IQ Now