Who has the Highest IQ in the World?

There is not a distinct answer to who has the highest IQ, In conclusion, the highest recorded IQ score belongs to William James Sidis (1898-1944), an American child prodigy with an IQ of 250. The second highest recorded IQ score belongs to Terence Tao (b. 1975) with an IQ of 225. However, it is important to keep in mind that these are just two examples of people with high IQ scores and that many other people are also considered intelligent.