The next official tests are  on April 25th, 2020 (grown-ups & teenagers) at 10 am and on May 23rd, 2020 (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.