Fun Facts about Humans
50 Amazing Facts about Humans
We won’t put our hand on our heart and swear to the accuracy of all these fun facts about humans but they are certainly widely believed – and fun, as advertised in the title! If you know better or have other funny facts about humans to share please add your comments below.
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| Fun Facts About Humans | Category |
|---|---|
| An adult has 700 named muscles, 206-214 bones, over 100 joints and at least 100 billion nerve cells. | Internal organs, stats |
| Coughing accelerates air up to a speed of 480 km/h (298 mph). | Human trivia |
| Women’s tears are half a degree warmer than men’s tears. | Human trivia, temperature |
| The length of a man’s foot is approximately 1/7 of his height. With women it’s more complicated 😉 | Human trivia |
| 43% of all Central Europeans have the blood group A, followed by 0 (39%), B (13%) and AB (5%). | Blood types |
| About 80% of people breathe through only one nostril, but this alternates regularly. | Human trivia, breathing |
| We lose between 40 and 100 hairs daily. | Human trivia, hair stats |
| Women on the pill blink roughly one third more often than others. | Human trivia, contraception |
| A person’s height is roughly the same as the length of their outstretched arms. | Human trivia, body stats |
| An adult breathes in and out about 15 times a minute. Inhaled air contains 21% oxygen, and exhaled air 16% oxygen, 4% carbon dioxide and 1% noble gas. | Human trivia, stats |
| Women’s hearts beat faster than men’s hearts (on average 70 compared to 78 beats per minute on account of the 10% size difference). | Human trivia, stats |
| In the evening we shrink by up to 2 cm compared to when we wake up in the morning because our spinal discs become compressed during the daytime. | Human trivia |
| Marilyn vos Savant, an American writer, had the highest IQ ever recorded. At the age of 10 she already achieved a value of 228. Other measurement methods recorded 186 and 218. | Human trivia |
| Up to 100,000 bacteria live on a “brushed” tooth. An “unbrushed” one plays host to up to one billion. | Teeth trivia |
| The width of the shoulders corresponds to a quarter of a person’s height. | Human trivia, body stats |
| Elephants and whales have heavier brains than humans but taking into account the ratio between the weight of the brain and the body humans come out on top between 1:33 and 1:44 with chimpanzees 1:150, bees 1:175, ants 1:280, dogs 1:500, elephants 1:560, Cockroach 1:3300 and whales 1:15000. | Relative brain sizes |
| The length of your foot is roughly the same as the distance between the inside of your elbow and your wrist – try it! | Human trivia, body stats |
| Our skull consists of 22 different bones. One of them (the “intermaxillary” jawbone) was discovered by the writer Johann Wolfgang Goethe in 1784. | Human skeleton |
| Humans host ten times more bacteria (approximately 100 trillion) in their body than their own cells! | Human trivia |
| Around 200 different types of cold viruses are known to us but the actual number is probably much higher. | Human illnesses |
| For around three years of our life we are suffering from colds, coughs and sore throats. | Human illnesses |
| Who’d have guessed the “G” in G-Spot is taken from the surname German gynecologist “Gräfenberg”. If you’re having trouble finding it, Gräfenberg is a town in Frankonia 🙂 It turns out the G Spot doesn’t exist so we can all stop looking. | Body parts |
| You will blink your eyes around 415 million times in your life – trying to blink less often or more slowly won’t extend your life! | Human trivia |
| Between 90 and 95% of all human sensory perceptions are visual stimuli. | Human senses, vision |
| In good light humans can distinguish between 1 million colors and recognize 10 million color areas and put names to around 150 colors. | Human senses, color vision |
| Humans can, on average, differentiate sounds that are 5 Hz (¼ tone) different. A trained ear can perceive differences as little as 1 Hz. | Human senses, hearing |
| Whispers can be heard up to 8m (26ft) way, talking up to 20m (66ft), screams to 200m (666 ft) with a record 17km (10.6 miles) in optimum conditions. | Human senses, hearing |
| There are far more left-handed men than left-handed women. | Human trivia, handedness |
| Coffee drinkers have sex more frequently than non-coffee drinkers. Whether the coffee is drunk before, during or after remains a mystery. | Sex, coffee |
| Right-handers scratch themselves more often with the left hand and vice versa. | Human trivia, handedness |
| Captain James Cook was the first man to walk on all the continents (except Antarctica). | Human travel |
| The root of the penis is located at half a man’s height. | Body parts, stats |
| The nail on the middle finger grows faster than that of the thumb. | Body parts, stats |
| Phobiaphobia is a phobia about phobias. There are hundreds of recognized and named phobias. | Human illnesses, mental health |
| When we are full, we don’t hear as well. | Human food trivia |
| There are around 625 sweat glands on ¾ sq inch (5 cm²) of skin. | Body parts, stats |
| Nobody can kiss their own elbow or put your elbow in your ear. | Human trivia |
| According to Carl Linnaeus, man belongs to the animal kingdom, the domain Eucarya, the phylum Chordata, the sub-tribe of the vertebrates, the class of mammals, the order of primates, the family of hominids, the Homo genus and to the species sapiens. | Human stats |
| Humans inhale approximately 700,000 of their own flakes of skin every day, so we’re cannibals, right? | Human trivia |
| Our lungs have a surface about the size of a tennis court. | Human organs, stats |
| Each day throughout the world humans engage in sexual intercourse about 100 million times – that’s collectively, not each, just in case you were wondering. | Sex |
| Children learn a new word every 2 hours until they’re 10 years old, that’s nearly 40,000 words. | Human trivia, children, language |
| Our small intestine is around six feet (2 m) long on average. | Body parts, stats |
| The most common human disease in the world is tooth decay. | Human illnesses, teeth |
| Smokers have 10 times more wrinkles than non-smokers. | Human health, smoking |
| On average a person living to the age of 80 walks a distance equivalent to three times around the earth. | Human trivia, travel |
| Most fast-food chains have red in their logo and on their equipment because red triggers hunger pangs in humans. | Human perception |
| Intelligent people have more zinc and copper in their hair. | Body parts, hair stats |
| The length of your forearm (wrist to elbow) is roughly the same length as your feet. | Body parts sizes |
| The 35 oldest living humans are currently all women and most of them were born and lived in Japan or the USA (last fact checked April 2019). | Human longevity |
| The oldest woman that ever lived is disputed. Nabi Tajima is a verified contender. She was born in Japan on 8 April 1900 and lived for 117 years and 260 days (verified deaths since 2008, last fact checked April 2019). | Human longevity |
| The oldest living person is Kane Tanaka a 116 year old Japanese woman, born on 2 January 1903 (last fact checked April 2019). | Human longevity |
| The oldest man that ever lived is disputed. However Jiroemon Kimura was born in Japan and lived to be 116 years and 54 days (last fact checked April 2019). | Human longevity |
| There are now no living human beings who were born in the 19th century. | Human longevity |
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- More fun facts about humans in German: Wissen über Menschen…
- Compiled by Robert Junker, last updated August 12, 2019.
- Do you know any other crazy facts about humans you can share to improve our list of facts about humans? Please add your comments below…
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