Bulgaria is the 5th Balkan country with the Highest IQ
Mensa, meaning "table" in the Latin language, is the largest high-IQ society in the world founded in 1946 in England, with the aim to create a community free from all racial and religious distinctions. It is the oldest non-profit organization in the world and the only criterion for admission to Mensa is achieving a score in the top 2 percentile of a standard IQ test.
Each MENSA member country has its own national Mensa constitution based on Mensa's Minimum Constitutional Requirements....