Who has the highest IQ of 300?

William James Sidis has the World’s Highest IQ. Anywhere from 250 to 300 is his IQ score, almost twice the score of Albert Einstein. At the age of eleven, William famously entered Harvard University, becoming the youngest person to enter. He also claimed to be conversant in 25 languages.

Who has the top 5 highest IQ?

Johann Goethe. Johann Goethe was a German polymath who lived in the 1800s and his estimated IQ score ranged from 210 to 225. Leonardo Da Vinci. James Maxwell. Nicolaus Copernicus. William Sidis. Carl Gauss. Nikola Tesla. Voltaire.

What is the lowest IQ ever?

The lowest IQ score is 0/200, but nobody in recorded history has officially scored 0. Any result below 75 points is an indicator of some form of mental or cognitive impairment.

What IQ is genius?

Notably, the average IQ score falls between 85 and 115. A score above 140, meanwhile, is considered to be genius level.