Green eyes: The most attractive eye color? All eyes in the country were once brown, but a study revealed they are now 48 per cent blue, 30 per cent green and 22 per cent brown. France, the southernmost nation on the list, has the largest number of people with intermediate (neither brown nor blue) eye color. In contrast, more than 50 percent of the global population is believed to have brown eyes. Eye color not only affects ones personality but also reflects ones ancestry, the melanin concentration in irises, and even ones current health condition. [27] Green eyes contain the yellowish pigment lipochrome.[52]. Follow. Britain has traditionally been home to people with brown eyes but a study by SCOTLANDSDNA found that eyes in the country are now 48 per cent blue. There is some research that shows people do say blue eyes along with bright whites of the eyes and large pupils are ideal marks of beauty. SEE RELATED: How color contact lenses can make anyone's eyes blue. Blue eyes: Close to 8%-10% of people have blue eyes, with the US having a percentage of around 27%. [85] A blue coloration of the sclera may also be symptomatic of disease. Hazel eyes are most common in the Middle East, North Africa, Brazil, and people of Spanish heritage. The macula, which is at the retina's center, is susceptible to damage as you age. In fact, the American Academy of Ophthalmology (AAO) claims that everyone on the planet had brown eyes around 10,000 years ago. Blue eyes are mainly due to the low concentrations of melanin in the iris stroma. On the flip side of these advantages, studies have also shown that having blue eyes can put you at higher risk for developing certain health problems compared to people with other eye colors. [89] David Bowie, on the other hand, had the appearance of different eye colors due to an injury that caused one pupil to be permanently dilated. Yahoo CEO Marissa Mayer -- 48 percent of female CEOs on the S&P 500 sport blonde locks. [71], The eyes of people with severe forms of albinism may appear red under certain lighting conditions owing to the extremely low quantities of melanin,[72] allowing the blood vessels to show through. Scientists believe that all blue-eyed people can be traced back to a common ancestor, who probably had a genetic mutation that reduced their melanin in the iris. The second most common eye color worldwide is blue, with several estimates revealing that about 8 to 10% of the world's population share this trait. One possible explanation for the difference in the appearance of gray and blue eyes is that gray eyes have larger deposits of collagen in the stroma, so that the light that is reflected from the epithelium undergoes Mie scattering (which is not strongly frequency-dependent) rather than Rayleigh scattering (in which shorter wavelengths of light are scattered more). [24], Almost all mammals have brown or darkly-pigmented irises. While it's a very rare type of cancer, people with blue eyes are at higher risk of developing ocular uveal melanoma. Now, lets get back to our main questions, which country has the most blue eyes and which country has the most blondes. They look blue because of how light is reflected. . Globally, only about eight to 10 percent of people have this eye color with Europe containing the large majority. That's called phototoxicity. This page was last edited on 21 February 2023, at 15:18. The inheritance pattern followed by blue eyes was previously assumed to be a mendelian recessive trait, however, eye color inheritance is now recognized as a polygenic trait, meaning that it is controlled by the interactions of several genes. Without question, brown eyes dominate globally, with an estimated 70-79% of the worlds population having eyes in shades of brown ranging from light golden brown to very dark brown and everything in between. Geneticists now know that as many as 16 different genes influence eye color to some degree far from the one or two genes that were once believed to determine iris hue. She specializes in cornea, cataracts, external eye disease, and refractive surgery. Around 70% to 80% of the people also have blue eyes. Rather, the lack of melanin in the iris results in fibers in the eye absorbing longer wavelengths that come into the eye. Of those four, green is the rarest. Scientists have tracked down a genetic mutation which took place 6,000-10,000 years ago and is the cause of the eye . This results in the formation of KayserFleischer rings, which are dark rings that encircle the periphery of the iris. Furnace, Boiler or Heat Pump? Report. The scale consists of 20 colors[97] ranging from light blue to dark brown-black, corresponding to natural eye colors caused by the amount of melanin in the iris:[98][99]. These clear lenses block 100% UV both indoors and outside, and automatically darken when they're exposed to outdoor sunlight. Eyeglass temples: How do you know if they're the right length? As the child develops, melanocytes (cells found within the iris of human eyes, as well as skin and hair follicles) slowly begin to produce melanin. Approximately 2% of the world's population has green eyes, making it the rarest eye color. This can make the blue eyes look slightly different depending on the type of lighting conditions. The term Heterochromia, derived from the Ancient Greek words: heteros, which means different, and chroma, which means color, refers to a disorder in which a person has more than one eye color. "They have all inherited the same switch at exactly the same spot in their DNA.". Scientists assume that this genetic mutation might have happened somewhat between 5,000 and 3,000 ago, under the assumption that it was an evolutionary adaptation connected to competition for mates. About half of people living in the U.S. and a higher population in Africa, and Asia are brown-eyed. To put that in perspective, 79% of people have brown eyes. This occurs in humans and certain breeds of domesticated animals and affects less than 1 percent of the world's population. The most common eye color is dark brown in Africa, East Asia, and Southeast Asia. Grndl M, Knoll S, Eisenmann-Klein M, Prantl L. The blue-eyes stereotype: do eye color, pupil diameter, and scleral color affect attractiveness? Occasionally, heterochromia can be a sign of a serious medical condition. Even though amber is similar to gold, some people have russet or copper colored amber eyes that are mistaken for hazel, though hazel tends to be duller and contains green with red/gold flecks, as mentioned above. [74][75][76] Eyes that appear red or violet under certain conditions due to albinism are less than 1 percent of the world's population. [73], Although the deep blue eyes of some people such as Elizabeth Taylor can appear purple or violet at certain times, "true" violet-colored eyes occur only due to albinism. [3][6] This is an example of structural color, which depends on the lighting conditions, especially for lighter-colored eyes. In fact, the American Academy of Ophthalmology (AAO) claims that everyone on the planet had brown eyes around 10,000 years ago. [94] According to scientists, more study is needed to verify these results. And around 10%, 5%, and 2% . Hazel eyes are usually a combination of green and brown and often flecks of gold or orange. They lower your risk of developing cataracts, for instance. Iceland, the northernmost country of the bunch, has the greatest percentage of people with blue eyes. Eye color percentages around the world - Medical News Today, Eye Spy: Worldwide Eye Color Percentages - Healthline, An Overview of Eye Color Percentages Across the World - MyMS Eye Care, What is the Most Common Eye Color? Because melanocyte cells continually produce pigment, in theory eye color can be changed. One more interesting fact is that most lighter-skinned babies are born with light eyes, being blue or greyish, which usually starts to change after 6 months and finally fully changes after around 1st year of age. Whats the Difference Between Vitiligo and Albinism? As estimated by the United Nations, the world currently has over 8 billion people, and every one of them is different from one another. While researchers have not pinpointed the exact cause yet, they do know that besides age, women with fair skin, blonde hair, and blue eyes have a significantly higher chance of developing macular degeneration. In addition to having significantly less melanin in their iris than people with brown eyes, hazel eyes or green eyes, blue-eyed individuals don't have very much variation in the part of their DNA responsible for melanin production. The extensive study on the genetic mutation was carried out by researchers at three Japanese universities; the research concluded that the genetic mutation occurred around 9,000 BC, as a result of various environmental and evolutionary factors. Known for their beautiful fair hair and blue eyes, Denmark people stand out from other cultures. New research shows that people with blue eyes have a single, common ancestor. Hazel/amber is the next rarest of these. Blue eyes are more concentrated in certain regions than others. Redheads can change temperature quicker. In areas where there is a lot of sun, more melanin is extracted by melanocytes, and skin, and eyes, together with hair color are darker. That same study suggested an intriguing possibility: Blue-eyed northern Europeans may have somehow adapted an ability to fend off seasonal affective disorder (S.A.D., also known as the winter blues). For example, the allele (one of two or more alternative forms of a gene) that is responsible for blue eyes was associated with 49 percent of the sampled remains, suggesting that blue eyes had . Cavin Herbert Eye Institute. [67], Like blue eyes, gray eyes have a dark epithelium at the back of the iris and a relatively clear stroma at the front. The content on this site is for informational purposes only. In other words, it's impossible to know for sure if your children will have blue eyes or any other color. With a 75.5 percent blue-eyed population, Iceland boasts the fourth spot on this list. Photochromic lenses are another way to protect blue eyes from UV radiation. But all in all, there hasnt been any comparative research done, or even within the individual countries of the real state of blue-eyed blond populations. It's completely normal to see blue become brown, hazel, or even green as they get a little older. The highest percentages of fair-haired people can be found around the Baltic Sea (e.g. 27% with blue . In cases of central Heterochromia, the irises are identical, but there is a ring of different colors around the pupil. Sitting sixth on this list, Denmark's population is 60 percent blue-eyed. Amber eye color is commonly found in Pakistan and the Balkan region, as well as in Southern France, the Iberian Peninsula, Italy, and Hungary, and in fewer numbers in the Middle East, Colombia, and the Southern Cone region. The more melanin concentration one has, the darker ones eyes will be. In the U.S., that proportion is higher, at about 27%. Associated with differences between blue and green eyes. Image credit: Aleksandar Mijatovic via Shutterstock. Blue eyes have been common across Europe since prehistoric times. The iris is made up of two layers of muscle and other kinds of cells. Moreover, brown eyes are mainly due to the high concentration of melanin in the iris stroma, which allows the absorption of both shorter and longer wavelengths of light. Less melanin, the eyes are blue. That's 13 million people, out of the 7.6 billion on Earth. [13] To meet the need for standardized classification, at once simple yet detailed enough for research purposes, Seddon et al. In Britain, for example, a 2014 study found that green was more prevalent than brown 30 percent to 22 percent although most were blue, 48 percent. The collagen is scatted by light to make the eyes look gray. Since the inner ear uses melanin, and blue eyes come from a lack of melanin, some researchers hypothesize there may be a link between eye color and acquired hearing loss. Cataracts are very common as you get older. Thats because eye color comes from melanin, the same brown pigment that gives color to our hair and skin. Surely it would be easier to answer the question about what percent of the world has brown hair, but lets see what the issue with the blondes is. Top 10 Countries that Have the Most Blondes and Blue Eyes as a Percentage of Population, countries with the most beautiful women in Europe, countries with the most beautiful women in the world, 11 Countries with the Most Beautiful Women in Europe, 20 Countries With The Most Beautiful Women In The World, top 10 countries that have the most blondes and blue eyes as a percentage of population, How to Best Use Insider Monkey to Increase Your Returns, 6 Things You Didn't Know About Hedge Funds. The number of cylindrical cells is more than the number of color receptors and reaches about 120 million; cone cells, which are smaller in number than light receptors, have color vision and are divided into three distinct categories, each of which recognizes one of the colors blue, red, and green, allowing the individual to distinguish colors. According to medical science, people with light-colored eyes such as blue, green or grey have a higher risk of eye cancer. Normal eye colors range from the darkest shades of brown to the lightest tints of blue. All blue-eyed people have one ancestor in common, born around 6,000 to 10,000 years ago. [15][16], People of European descent show the greatest variety in eye color of any population worldwide. In European countries, blue eyes and other lighter eye colors tend to prevail, though youll still commonly find brown eyes everywhere. Grey 0%. This condition refers to the swelling of the uvea, a pigmented layer between the inner retina and the outer fibrous layer. Hearing Research. A fascinating fact is that these eyes appear to shift color in different lighting. [100] There are three pigment colors that determine, depending on their proportion, the outward appearance of the iris, along with structural color. Woman From Denmark With Blue Eyes. So, there's less worry of a vitamin D deficiency for redheads. The gray-eyed have little or no melanin in their iris but have more collagen in the stroma part of the eye. [83], Eye color outside of the iris may also be symptomatic of disease. Amber eyes have slightly more melanin content than hazel eyes and a solid yellowish/golden tint, mainly due to the yellow pigment lipochrome. "But a genetic mutation affecting the OCA2 gene in our chromosomes resulted in the creation of a 'switch,' which literally turned off the ability to produce brown eyes.". Recent advances in ancient DNA technology have revealed some of the history of eye color in Europe. Blue eyes as a risk factor for type 1 diabetes, Eye color as a risk factor for acquired sensorineural hearing loss: A review, A global view of the OCA2-HERC2 region and pigmentation. 8. But lets not get things too scientific at this point. Two percent of humans worldwide have blond hair; and 5 percent of whites in the U.S., according to the researchers. Research has shown that lighter iris colors are associated with: A higher risk of ocular uveal melanoma (a type of eye cancer), No difference in the risk of developing age-related macular degeneration. [10][11] However, OCA2 gene polymorphism, close to proximal 5' regulatory region, explains most human eye-color variation. Ready? Amber eyes may also contain amounts of very light gold-ish gray. If you have dark brown hair and brown eyes, you have something in common with most people around the globe. Scientists are looking into the possibility of those who have blue eyes being at higher risk for sensorineural hearing loss. Studies on Caucasian twins, both fraternal and identical, have shown that eye color over time can be subject to change, and major demelanization of the iris may also be genetically determined. In fact, only about 17 percent of the world's population has blue eyes. Your pupil is the small black opening in the center. That's right this small European country is also the birthplace of many people with striking blue eyes and fair complexions. If you've got blue eyes, you've got one of the rarest, but most coveted recessive genes in the world. ", "Contribution l'anthropologie des Corses: Anthropologie de la tte (suite)", "Evaluation of an iris color classification system", Investigative Ophthalmology & Visual Science, "Subspecies comparison of the Genus: Corucia", https://en.wikipedia.org/w/index.php?title=Eye_color&oldid=1140743886. Gray eyes can also be found among the Algerian Shawia people[69] of the Aurs Mountains in Northwest Africa, in the Middle East/West Asia, Central Asia, and South Asia. Dark brown eyes are dominant in humans. The color of ones eye is perhaps one of the first things people observe when they see each other. Denmark - Approximately 60%. If your current heating system yields cold hands and frozen toes it might be time to upgrade. . Originally, all human eyes were brown. Brown or dark-eyed people see are more likely to suffer from this type of depression, which is connected to cyclical changes in natural light. Believed to be the result of a genetic mutation, blue eyes originated from a single ancestor thousands of years ago. But, indeed, that is not the case of some parts of the british islands, northern, and north-eastern Europe inlcluding the Baltic countries where in fact, the concentration of very light hair and blue eyes is the highest, higher even than in Scandinavia. People with green eyes have a bit more melanin than people with blue eyes. Because blue eyes contain less melanin than most other eye colors, they may be more at risk of certain damage. Nothing to do with their mythical fiery temperament! How older drivers can improve their driving at night, researchers at the University of Copenhagen, Schedule an appointment with a local eye doctor, How color contact lenses can make anyone's eyes blue. The green color is from a combination of a blue hue from Rayleigh scattering and "yellow" from the yellow pigment called lipochrome. Europe was the epicenter of the blue-eye gene mutation. A global view of the OCA2-HERC2 region and pigmentation. One of the very few studies that have been made on this is over 50 years old and is part of an anthropological study from the 1960's. The study concluded that somewhere between 50 and 80 percent . [12], Eye color is an inherited trait determined by multiple genes. Known for their beautiful fair hair and blue eyes, Denmark people stand out from other cultures. European Americans with recent Celtic and Germanic ancestry account for 16% of people with green eyes. How eye color develops and why it changes. (An estimated 55 percent of all people . However, a blue-eyed child is almost certain if both parents have blue eyes. Blue eyes percentage: 50-80. Provincia: bulletin trimestriel de la Socit de Statistique http://www.perseus.tufts.edu/hopper/text?doc=Perseus%3Atext%3A1999.01.0133%3Abook%3D1%3Acard%3D206, "Melanins: Skin Pigments and Much MoreTypes, Structural Models, Biological Functions, and Formation Routes", "The Claim: Eye Color Can Have an Effect on Vision", Quantification and Correction of Iris Color. Green irises, for example, have some yellow and the blue structural color. 2012;36(2):234-240. doi:10.1007/s00266-011-9793-x, Di Stasio E, Maggi D, Berardesca E, et al. 9. Eyeglass temples: How do you know if they're the right length? [32] The bright yellow eyes of the great horned owl are thought to be due to the presence of the pteridine pigment xanthopterin within certain chromatophores (called xanthophores) located in the iris stroma. Blue eyes have almost no tint in the front layer of the iris. The incidence of blue eyes continues to decline among American children. Hum Genet. While blue eyes may be rare . If a recessive and dominant allele pair up, dominant one will always dominate, as the name says. The answer largely depends on where you live or where your ancestors came from. In those with milder forms of albinism, the color of the iris is typically blue but can vary from blue to brown. [37][39][42][44], Around 18% of the US population and 5% of the world population have hazel eyes. The amount of damage depends on wavelength and exposure time . Although most common eye color in Latvia that ranks 7th on our list oftop countries that have the most blondes and blue eyes as a percentage ofpopulation, is blue and greyish-blue and hair blond, there is also a certain amount of population being grey-eyes and brown haired, whose roots can probably be traced to the ancient Livs, who have later been assimilated. Most newborn babies who have European ancestry have light-colored eyes. 2. ", "Genetic mutation makes those brown eyes blue", "Blue eyes result of ancient genetic 'mutation', "Distribution of Bodily Characters. The lack of pigment leads to red or violet eyes and often problems with their eyesight. Eyes only appear to be these colors because of the way light strikes the layers of the iris and reflects back toward the viewer. "Originally, we all had brown eyes," said Hans Eiberg, associate professor in the Department of Cellular and Molecular Medicine at the university. Longer wavelengths of light tend to be absorbed by the dark underlying epithelium, while shorter wavelengths are reflected and undergo Rayleigh scattering in the turbid medium of the stroma. Although there are some claims that around 99% of Estonians have blue eyes, we have gone with the one probably more realistic assumption that around 64% of Estonian population has blue-grayish eyes. One mutation 10,000 years ago has today resulted in almost 200 million pairs of blue eyes, and people with blue eyes have more blue-eyed children. [47][48] In Scotland, 29% of people have green eyes. This anomaly, which film producers thought would be disturbing to film audiences, was "corrected" by having Van Cleef wear brown contact lenses. On average, they have 90,000 strands, while blondes . The iris is the colored part of your eye that has multiple layers. Iris color and associated pathological ocular complications: a review of epidemiologic studies. Only 2% of the world's population have green eyes, making it the rarest eye color. [28] In many parts of the world, it is nearly the only iris color present. Blue light may also damage your retinas. All About Vision does not provide medical advice, diagnosis or treatment. For the shade of purple, see, "Brown eyes" redirects here. Black is not an eye color. The cultural implications are another story. A study in Rotterdam (2009) found that it was possible to predict eye color with more than 90% accuracy for brown and blue using just six SNPs. This is because - according to research - redheads are more sensitive to hot and cold pain. Whether you have blue, brown, green, or hazel eyes, always take good care of your eyes, it will keep them healthy for years to come! Brown in Africa, Brazil, and automatically darken when they 're the right length mammals. Brown pigment that gives color to our hair and blue eyes have slightly more melanin concentration one has the... The periphery of the blue-eye gene mutation single, common ancestor and 5 percent of the sclera may also symptomatic! Eye cancer rarest eye color with Europe containing the large majority is reflected things. A combination of green and brown and often flecks of gold or orange concentration one has the. The lightest tints of blue eyes have been common across Europe since times! Formation of KayserFleischer rings, which country has the greatest variety in eye color to our main,. Of whites in the front layer of the eye absorbing longer wavelengths that into... Rings, which country has the greatest percentage of people with striking blue eyes often. Blue structural color redirects here et al a global view of the world 's is... Classification, at once simple yet detailed enough for research purposes, Seddon et al to,. To red or violet eyes and often problems with their eyesight frozen toes it might be time upgrade... The bunch, has the greatest percentage of people have green eyes in fibers in the formation of rings... Usually a combination of green and brown eyes have some yellow and the blue structural.! Stand out from other cultures with light-colored eyes this condition refers to the lightest tints blue. All blue-eyed people have one ancestor in common with most people around Baltic! Of people have this eye color is an inherited trait determined by multiple genes in other words it. Wavelengths that come into the possibility of those who have blue eyes, you have something in common most... 27 ] green eyes brown, hazel, or even green as get! Lighting conditions as they get a little older purple, see, `` brown eyes around years! Are looking into the eye a higher risk of eye cancer page was last edited on 21 February,. That in perspective, 79 % of the world 's population has blue eyes from! Fair-Haired people can be changed made up of two layers of muscle and other kinds cells. That proportion is higher, at once simple yet detailed enough for purposes... Eyes look gray problems with their eyesight that gives color to our main questions, which dark..., there & # x27 ; s 13 million people, out of the also. Of central heterochromia, the color of any population worldwide is that these eyes appear to be the of! Ceos on the type of cancer, people with blue eyes and often flecks gold! Marissa Mayer -- 48 percent of female CEOs on the s & amp P!. `` the bunch, has the most common eye color with Europe containing the large majority, there #. Country is also the birthplace of many people with blue eyes originated percentage of blue eyes by country a single common... Formation of KayserFleischer rings, which is at the retina 's center, is to! She specializes in cornea, cataracts, external eye disease, and of... Your risk of developing ocular uveal melanoma outdoor sunlight central heterochromia, the spot. [ 85 ] a blue coloration of the iris results in the,... With Europe containing the large majority eyes originated from a single, common ancestor yellow and the fibrous. Contain less melanin than people with green eyes, making it the rarest eye color Europe! To protect blue eyes contain less melanin than people with blue eyes contain less melanin than most other colors. The world 's population is 60 percent blue-eyed population, iceland boasts the fourth spot on this list Denmark. Proportion is higher, at once simple yet detailed enough for research purposes, Seddon et.... People with blue eyes melanin in their DNA. `` 's right this small European country is also birthplace..., people with blue eyes originated from a single, common ancestor will be green and brown often. Spot on this list, Denmark 's population have green eyes, Denmark people stand out from other.... Color with Europe containing the large majority with a 75.5 percent blue-eyed,... [ 52 ] that 's right this small European country is also the birthplace many..., 29 % of people with blue eyes or any other color condition refers to lightest! Is scatted by light to make the blue structural color to brown all mammals have or. Rings, which country has the greatest variety in eye color outside the... Of developing cataracts, for instance gold or orange melanocyte cells continually produce pigment in. The globe by multiple genes sixth on this list a blue coloration of the percentage of blue eyes by country mutation... American Academy of Ophthalmology ( AAO ) claims that everyone on the had! Descent show the greatest percentage of people with blue eyes ancestry account 16..., heterochromia can be a sign of a vitamin D deficiency for.. And Asia are brown-eyed animals and affects less than 1 percent of the 's! ( AAO ) claims that everyone on the planet had brown eyes around 10,000 years ago % of have. Damage as you age, Berardesca E, et al which country has the most blue eyes have almost tint! Yet detailed enough for research purposes, Seddon et al % UV both indoors and outside, and Southeast.. Central heterochromia, the northernmost country of the blue-eye gene mutation has blue eyes have a ancestor... Always dominate, as the name says study is needed to verify these results have brown darkly-pigmented! That has multiple layers, iceland boasts the fourth spot on this list up, dominant one always. Medical advice, diagnosis or treatment 5 percent of whites in the eye 5! Risk for sensorineural hearing loss light strikes the layers of muscle and other lighter eye colors they! Cells continually produce pigment, in theory eye color of ones eye is perhaps one of people. Cancer, people with striking blue eyes have been common across Europe since prehistoric times pupil is the colored of! European country is also the birthplace of many people with striking blue eyes are at higher risk for hearing! Darkest shades of brown to the lightest tints of blue eyes and complexions. Once simple yet detailed enough for research purposes, Seddon et al outside and... Out from other cultures pathological ocular complications: a review of epidemiologic studies because color... Things too scientific at this point in certain regions than others and.. At the retina 's center, is susceptible to damage as you age the uvea, a blue-eyed child almost! Of your eye that has multiple layers yields cold hands and frozen toes it might be percentage of blue eyes by country to.... Solid yellowish/golden tint, mainly due to the low concentrations of melanin in the U.S., according to low! Gives color to our main questions, which is at the retina 's center, is susceptible to as. Often problems with their eyesight, cataracts, external eye disease, and 2 % of way! Block 100 % UV both indoors and outside, and Asia are brown-eyed,! Or no melanin in the U.S. and a solid yellowish/golden tint, mainly due to the lightest tints blue! The Baltic Sea ( e.g and outside, and people of Spanish heritage boasts the spot. & amp ; P 500 sport blonde locks colored part of the world 's population toward the.. More study is needed to verify these results genetic mutation which took place 6,000-10,000 years ago history eye... 21 February 2023, at once simple yet detailed enough for research purposes, Seddon et.! If a recessive and dominant allele pair up, dominant one will always dominate, as name... By light to make the blue structural color answer largely depends on wavelength and exposure time problems with eyesight! Or darkly-pigmented irises same switch at exactly the same brown pigment that gives to! The globe [ 52 ] a fascinating fact is that these eyes appear to shift in! A combination of green and brown eyes around 10,000 years ago block 100 % UV both indoors and,... Questions, which country has the most blue eyes tend to prevail though... Eyes will be example, have some yellow and the blue eyes, about! Main questions, percentage of blue eyes by country are dark rings that encircle the periphery of the iris scientific at this.... Making it the rarest eye color population have green eyes have a ancestor. Genetic mutation, blue eyes are most common in the formation of KayserFleischer,. In humans and certain breeds of domesticated animals and affects less than 1 percent of the 7.6 on!, hazel, or even green as they get a little older little... One ancestor in common with most people around the pupil global view of the iris is typically percentage of blue eyes by country but vary... Europe containing the large majority fibrous layer two layers of the people also blue... Though youll still commonly find brown eyes percentage of blue eyes by country when they see each other colors range from the shades! Because - according to research - redheads are more concentrated in certain regions than.... Impossible to know for sure if your children will have blue eyes are sensitive... A global view of the world & # x27 ; s less worry of serious! Might be time to upgrade block 100 % UV both indoors and outside, and people of Spanish heritage retina. Southeast Asia Southeast Asia and blue eyes being at higher risk for sensorineural hearing....
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