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The World IQ Foundation recognizes lifetime titles for ranked members, basing on their combined performance on every IQ test of the WIQF list and the number of tests taken.
Official IQ ranks and categories are calculated with the official formula for the WIQF
[ Official formula for the WIQF ] and, at the end of each year, members with the highest average performance (arithmetic mean of all the scores on WIQF tests taken), for each category, are awarded as category champion of the year.

Here is a sample of the official WIQF certificate

sample - Marco Ripà

WIQF certificate – Marco Ripà

Current ranked members can request (for free) their own WIQF certificate to the Certificate Officer YoungHoon Kim: reality180@naver.com