Mensa is an international organization for people with high IQs. It is a high-minded group that requires its members to have an IQ in the top 2% of the population. Mensa was founded in England in 1946 and has since grown to include more than 130, 000 members in over 100 countries. The name Mensa is derived from the Latin word for 'TABLE' and symbolizes the round-TABLE discussions that take place among its members.