Who Is The Smartest Person In The World 2025. Vos savant has one of the world's highest iqs. From william james sidis' alleged 300 score to marilyn vos savant's 228, discover the true stories of the world's smartest people with the highest iqs ever recorded.

In this article, we will look at who all have the highest iq scores worldwide. Note that this list is not exhaustive and may not include the name of every person with a high iq.