Who has the highest IQ in the world today?

The highest IQ ever recorded is of William James Sidis with an IQ score between 250-300. At the age of 5, he could use a typewriter and had learnt to speak Latin, Greek, Russian, French, German and Hebrew. He was denied admission to Harvard at the age of 6 because he was called too emotionally immature. read more

Despite of being diagnosed with Amyotrophic Lateral Sclerosis (ALS) which has paralyzed him completely, his brain had recorded an IQ of 154, which took the world by surprise. He has made major and remarkable contributions in the field of general relativity. read more

Kim was listed in the Guinness Book of World Records under "Highest IQ"; the book estimated the boy's score at about 210. Albert Einstein was considered to "only" have an IQ of about 160. Other contenders would be Leonardo da Vinci, estimated at ~190. read more