what is the highest iq ever recorded

The highest IQ ever recorded is estimated to be between 250 and 300. Some of the individuals with the highest recorded IQ scores include William James Sidis, with an estimated IQ score ranging from 250 to 300, and Marilyn vos Savant, who holds the Guinness World Record for the highest recorded IQ with a score of 228. Other notable individuals with high IQ scores include Terence Tao, with an estimated IQ score of 230-240, and Christopher Hirata, with an IQ score of 225. Its important to note that IQ tests are not a perfect measure of intelligence, and there is some debate about the accuracy of the highest scores that have been recorded.