It is difficult to accurately judge intelligence and it’s always worth taking IQ scores with a pinch of salt due to cultural differences and other factors. Below 85 is seen as a poor score, 130 and above is smart (in the top 2 per cent of the population). Scores are gathered by participants completing standardised tests that measure abilities in puzzle-solving, memory, and more.īased on a median score of what’s typically around 100, your given IQ score is relative to that of the general intelligence of the population. Intelligence quotient ( IQ) is used to measure a person’s level of intelligence. Who has the highest IQ in the world in 2023?