The next official tests are  on October 7th, 2017 (grown-ups & teenagers) at 10 am and on November 11th, 2017 (children up to 9½ years)

Please find below some interesting links about intelligence and IQ-Tests, in English and other languages:

Caution: Pages listed here do not necessarily have a direct relationship with Mensa. Not all tests in these pages are official, and results do not necessarily entitle to membership.