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.
IQ compared by countries
With an average IQ of 98 points, the USA ranks 29th in this ranking. With 108 points, the inhabitants of Hong Kong reach the highest intelligence quotas worldwide. The last place, with only 56 points, is occupied by Equatorial Guinea.
There is no zero point for IQ. We do not think of a person as having no intelligence (although we may be tempted to make that evaluation upon occasion).
Elon Musk IQ is close to this starting point, with an estimated score of 155. The typical genius has an IQ of around 140.
Parents tend to search “What is the average IQ for a 13-year-old?” or “What is the average IQ for a 10-year-old?”. The key point to remember is that all tests are designed to get an average score of 100 for people of all ages. Current average IQ scores vary between 85 and 115 (about 68% of people).
On many tests, a score of 100 is considered the average IQ. Sixty-eight percent of scores fall within one standard deviation of the mean (that is, between 85 and 115). That means that nearly 70% of all people score within plus or minus 15 points of the average score.
A Breakdown of IQ Scores
1 to 24: Profound mental disability. 25 to 39: Severe mental disability. 40 to 54: Moderate mental disability. 55 to 69: Mild mental disability.
One of the most well-known online exams available to you is Free-IQTest.net. It has 20 questions that will measure your IQ score accurately. After this test, you have to give your birth date since the test calculates your IQ score based on your age. This way, you may compare yourself to your peers.
Australia - 63.96 (A)
Training your memory, executive control, and visuospatial reasoning can help to boost your intelligence levels. The best way to train these areas of your brain is to engage in thoughtful activities and games, learn new skills, and keep your brain active.
Notably, the average IQ score falls between 85 and 115. A score above 140, meanwhile, is considered to be genius level.
An individual's IQ does not change with age. In other words: if you did an IQ test now and then another one in 10 years' time, your IQ score will probably be very similar. This is because IQ is always measured relative to other people your age.
IQ tests are made to have an average score of 100. Psychologists revise the test every few years in order to maintain 100 as the average. Most people (about 68 percent) have an IQ between 85 and 115. Only a small fraction of people have a very low IQ (below 70) or a very high IQ (above 130).
It's calculated by subtracting the year you were born from the current year. But your mental age, aka intellectual age, is determined by your attitude, behavior, and intelligence. The concept of mental age was first introduced by Alfred Binet who developed the first mental age test in 1905.
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.
Furthermore, IQs of 200 would allow us to pursue activities and careers that most interest us, not just those we're mentally capable of, Haier said. We could master new languages in a few weeks, for example, or become brain surgeons.
What is a normal IQ for a child? Though there are different average IQ scores for various age levels, the average for most children is 100, though scores will vary. Most children will fall between 80 and 120 if they are tested when they have a basic understanding of cognitive concepts.
Signs your kid may be gifted
Keen observation, curiosity and tendency to ask questions. Ability to think abstractly, while showing signs of creativity and inventiveness. Early development of motor skills (e.g., balance, coordination and movement). Finds joy in discovering new interests or grasping new concepts.
At what age can you test a child's IQ? While you can test a child's IQ as early as 2 years and 6 months of age, the results may not be accurate and may in fact change with age. The best time to test IQ in children is between ages 5 and 8.
Albert Einstein likely never took an IQ test but is estimated to have a 160 IQ—but even that can't stand up to these masterminds.
Scientists have long known that our ability to think quickly and recall information, also known as fluid intelligence, peaks around age 20 and then begins a slow decline.