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Take our free online IQ test, receive your instant score, and enjoy fun games to boost your cognitive skills—all from the comfort of your home.

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Why take our IQ test?

  • Instant results
    You don’t need to wait for the results to be processed or arrive at your mailbox — they will be available as soon as you submit your answers!
  • Developed by top psychologists
    Our IQ test isn’t just a fun little brain exercise. Experts have approved this evaluation method, so we can guarantee an accurate result!
  • Official certification
    Do you want proof that you’ve completed an official IQ test? If you like your result at the end of the test, you can request an electronic certificate.

What is an IQ test?

An IQ test measures your cognitive abilities, such as logical reasoning, pattern recognition, problem-solving skills, and short-term memory. The results are then expressed as a score called the intelligence quotient (IQ), which typically ranges from 40 to 160.

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  • Differential Ability Scales - Second Edition
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How are IQ scores calculated?

According to Wechsler’s widely accepted IQ test scale, an IQ score is calculated by comparing your results to those of your peers in the same age group. For example, if you do the test better than 86% of your generation, your result will be between 115 and 120. On the other hand, the worse you do compared to others, the lower your score.

  • Cognitive Abilities Test
  • Differential Ability Scales - Second Edition
  • Naglieri Nonverbal Ability Test
  • Otis Lennon School Abilities Test
  • Knowledge management

Trusted Worldwide

Highest IQ by country

Curious how your country performs in terms of intelligence compared to other areas? Find it on this list and check the average IQ of your competitors!

japan

Japan

Average IQ: 106.49

Taiwan

Taiwan

Average IQ: 106.47

Singapore

Singapore

Average IQ: 105.89

Hong Kong

Hong Kong

Average IQ: 105.37

Chinan

China

Average IQ: 104.1

South Korea

South Korea

Average IQ: 102.35

Highest IQ by Professional

Are you smarter than a 5th grader? You don’t have to participate in a game show to find out—you can take a look at our IQ ranking by age instead!

University Professor

University Professor

Average IQ: 114

Doctor

Doctor

Average IQ: 109

Accountant

Accountant

Average IQ: 108

Journalist

Journalist

Average IQ: 106

Lawyer

Lawyer

Average IQ: 105

Software Engineer

Software Engineer

Average IQ: 113

Highest IQ by university

Which university has the smartest students? Is it Princeton, Harvard, or an unexpected candidate outside of the Ivy League? Find the answer here!

65+ years old

California Institute of Technology

Average IQ: 145

55-64 year-olds

Massachusetts Institute of Technology

Average IQ: 144

16-17 year-olds

Olin College of Engineering

Average IQ: 143

45-54 year-olds

Rice University

Average IQ: 143

18-19 year-olds

Vanderbilt University

Average IQ: 143

35-44 year-olds

Harvey Mudd College

Average IQ: 143

IQ Distribution

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Do you think you might be a genius?

Take our certified IQ test to learn how your intelligence ranks compared to the rest of the population!

Boost your IQ score with games

Not happy with your result on the IQ test? Don’t worry—it gets better with practice. Try out our IQ puzzles and memory games to build your mental muscle and develop your deduction, reasoning, and thinking skills. Soon enough, you will notice an improvement!

Colored tiles

Colored tiles

Challenge your brain by memorizing the color and position of the tiles to boost your working memory and IQ score.

Avoid the mines

Avoid the mines

Memorize the bombs’ position in three seconds to avoid the explosion and improve your concentration and working memory.

Scroll and match

Scroll and match

Boost your IQ by memorizing and matching four tiles in this challenging memory game designed to improve your focus.

Bird watching

Bird watching

Memorize the birds as they fly across the screen to improve your short-term memory and help boost your IQ score.

Scene scrutinizer

Scene scrutinizer

Boost your concentration and attention span by focusing on the scene and memorizing details about the shapes and colors present on the screen.

Dungeons & Gemstones

Dungeons & Gemstones

Memorize the path to safety to help the knight progress through dungeons and collect gemstones in this unique game that targets your working memory.

Testimonials

We have worked with thousands of amazing people

“This IQ testing service gave me deep insights into my cognitive skills. The psychologist's feedback was invaluable!”

Leslie Alexander
@lesliealexander

“The process was seamless, and the results were extremely insightful. I highly recommend this service to anyone curious about their abilities!”

Michael Foster
@michaelfoster

“I appreciated how user-friendly the test was. The psychologist's detailed report gave me so much clarity about my potential.”

Lindsey Walton
@lindseywalton

“The process was seamless, and the results were extremely insightful. I highly recommend this service to anyone curious about their abilities!”

Michael Foster
@michaelfoster

“The process was seamless, and the results were extremely insightful. I highly recommend this service to anyone curious about their abilities!”

Michael Foster
@michaelfoster

“The process was seamless, and the results were extremely insightful. I highly recommend this service to anyone curious about their abilities!”

Michael Foster
@michaelfoster

Test Yourself

Curious about your IQ? Whether you’re interested in finding out if you can qualify for Mensa membership or want to see how you compare to others, an IQ test will settle the score.

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Mensa Home Test

The Mensa Home Test is a 45-minute assessment

£13.00 /month
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Supervised IQ Test

Every year, thousands of people* take a Mensa.

£32.00 /month
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  • Team size: 100+ developers
  • Premium support: 36 months
  • Free updates: 36 months
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Free IQ test FAQ

IQ stands for intelligence quotient, a score that measures your cognitive abilities, reasoning, deduction, and problem-solving skills. It’s a number you receive after completing a standardized IQ test, and it usually ranges between 40 and 160.

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Introduction

The Intelligence Quotient (IQ) is the measure of human cogntive ability. Scores are set so that the average is 100. There is controversey about how IQ scores should be broken down, this test uses the 3 domains from Hampshire, Highfield, Parkin and Owen (2012) of (1) Short-Term Memory, (2) Reasoning, and (3) Verbal. This model seems to fit best on internet populations.




WARNING: Every on-line IQ test is bad

While a lot of working has been put into making sure this has good measurement properties, it is not a replacement for a real IQ test. Not on-line test is. A main reason is that no one in the on-line context has the attention span for a reliable assessment. The Wechsler Adult Intelligence Scale (a reasonable candidate for the title 'gold standard IQ test') takes more than an hour [1]. This test was designed with a cap of taking 20 minutes, because we like engagement and engagement drops off fast after that. This should be understood as demonstration of how an IQ test can work, rather than a score you should make decisions based off of.