Mensa: The International High IQ Society
- http://www.mensa.org/
- https://en.wikipedia.org/wiki/Mensa_International
- https://en.wikipedia.org/wiki/List_of_Mensans
- https://en.wikipedia.org/wiki/Category:Mensans
national groups in
- International
- Argentina
- Australia
- Austria
- BEL : Belgium
- Brazil
- Greece
- Pakistan
- Hong Kong
- Philippines
- Hungary
- Poland
- India
- Romania
- Serbia
- Bulgaria
- Ireland
- Singapore
- Canada
- Israel
- Slovakia
- Channel Islands
- Italy
- Slovenia
- China
- Japan
- South Africa
- Colombia
- LUX : Luxembourg
- South Korea
- Croatia
- Macedonia
- ESP : Spain
- Cyprus
- Malaysia
- Sweden
- Czech Republic
- Mexico
- Switzerland
- Denmark
- Montenegro
- Turkey
- Finland
- NLD : the Netherlands
- GBR : United Kingdom
- FRA : France
- New Zealand
- USA : United States
- DEU : Germany
- : Norway