In contrast, more than 50 percent of the global population is believed to have brown eyes. Even though there is a high number of blond and blue-eyed people living in Britain today, the highest percentage of blue eyes is recorded in South East Scotland with 57%. [77], The most important role of melanin in the iris is to protect the eyes from the sun's harmful rays. This form of hearing loss comes from damage to the inner ear or to the nerve going from the ear to the brain. Black is not an eye color. The more melanin concentration one has, the darker ones eyes will be. People with green eyes have a bit more melanin than people with blue eyes. Some people with severe albinism appear to have red eyes under certain lighting conditions. This results in the formation of KayserFleischer rings, which are dark rings that encircle the periphery of the iris. Most Asian and African children are born with brown and black eyes. Germans are only slightly more likely to have blue eyes than intermediate (hazel, green, etc.) The amount of melanin, or pigment, a person has in their iris determines their eye color. If you have blue eyes, it means the iris part of your eyes lacks melanin, so, technically, blue eyes don't have any color. The brightly colored eyes of many bird species result from the presence of other pigments, such as pteridines, purines, and carotenoids. Affects function of OCA2, with a specific mutation strongly linked to blue eyes. Hazel eyes: What determines hazel eye color? Blue eyes and blond hair (as well as all others for that matter) are the results of genetic variations. The researchers found four key areas of the genome where variation closely correlated with skin color differences. . In the U.S., that proportion is higher, at about 27%. Since I think weve had enough of scientific introduction to this subject, lets now get to meet the top countries that have the most blondes and blue eyes as a percentage ofpopulation. After green, gray is the second-rarest natural eye color, with 3% of the worlds population having gray eyes. But about 30 percent of left-handed folks are either partial to the right hemisphere or have no dominant hemisphere at all. Furnace, Boiler or Heat Pump? 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]. Its the dominant eye color in people with Native American and African ancestry, as well as those with family trees that trace back to Asia, the Middle East, Central or South America and other nations where brown eye color is the most common. Blue eyes are more concentrated in certain regions than others. WorldAtlas. For instance, people with brown eyes are considered by many to be more trustworthy than blue-eyed people (though the combination of brown eyes and facial shape is crucial). Age-Related Macular Degeneration. [18] Other genes implicated in eye color variation are SLC24A4[19] and TYR. Blue eye color is determined by melanin, and melanin is actually brown by nature. Ready? 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. This anomaly, which film producers thought would be disturbing to film audiences, was "corrected" by having Van Cleef wear brown contact lenses. People with brown eyes have high concentrations of . Brown eyes result from a relatively high concentration of melanin in the stroma of the iris, which causes light of both shorter and longer wavelengths to be absorbed.[27]. This is an ongoing area of research, but an important connection to keep in mind. While blue eyes may be rare . The lack of pigment leads to red or violet eyes and often problems with their eyesight. Only 2% of the world's population have green eyes, making it the rarest eye color. 2012;36(2):234-240. doi:10.1007/s00266-011-9793-x, Di Stasio E, Maggi D, Berardesca E, et al. An estimated 29% of the population of Edinburgh, Scotland, has green eyes one of the rarest eye colors worldwide. Because melanocyte cells continually produce pigment, in theory eye color can be changed. Find an eyecare professional and book online in minutes! Eye color is partially affected by light, especially blue eyes, which get their color specifically by light entering and reflecting out of the eye. By Verla05. Quite a bit. 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. Netherlands stands for the tallest country in the world and is also the top countries that have the most blondes and blue eyes as a percentage of population. Recent advances in ancient DNA technology have revealed some of the history of eye color in Europe. 3. Less melanin, the eyes are blue. [13][14] These genes are sought by studying small changes in the genes themselves and in neighboring genes, called single-nucleotide polymorphisms or SNPs. If this gene activation never happens, a baby's eyes will stay blue. Eiberg studied the DNA of 800 men and women with blue eyes from varying countries ranging from "fair-skinned, blond-haired Scandinavians to dark-skinned, blue-eyed people living in Turkey and . Ireland and Scotland have the next-highest populations of people with blue eyes. Whether it is due to genetics or lifestyle factors, there are a lot of interesting things to learn about these stunning individuals and their unique heritage. Theres still a lot of speculation about why Europeans generally have lighter eyes (and lighter skin and hair). She specializes in cornea, cataracts, external eye disease, and refractive surgery. [66] 56% of Slovenes have blue/green eyes. Green eyes are common in Europe's Central, Western, and Northern regions. Denmark, the Polish coast and the Baltic states), making it in effect an almost entirely blonde-bounded lake. Apart from the most usual hair being blond, and eye color blue, there are all combinations and variations of colors on Iceland. 2011;27(6):609-613. doi:10.1002/dmrr.1214. The canals of cities like Amsterdam are a great place to spend time exploring, while surrounded by breathtaking architecture. Blue eye color is a recessive trait, but brown-eyed parents can still produce a blue-eyed child if both parents carry the genes for blue eyes. All About Vision and AllAboutVision.com are registered trademarks of AAV Media, LLC. Photochromic lenses are another way to protect blue eyes from UV radiation. About 5% of the worlds population and 18% of Americans have hazel eyes -- a mixture of green, gold, and orange. Yellowing of the sclera (the "whites of the eyes") is associated with jaundice,[84] and may be symptomatic of liver diseases such as cirrhosis or hepatitis. 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. Anisocoria thus refers to an abnormal condition characterized by different pupil sizes. The highest percentages of fair-haired people can be found around the Baltic Sea (e.g. 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. Another hypothesis about heterochromia is that it can result from a viral infection in utero affecting the development of one eye, possibly through some sort of genetic mutation. A global view of the OCA2-HERC2 region and pigmentation. Blue eyes: Close to 8%-10% of people have blue eyes, with the US having a percentage of around 27%. 9. Iris color and associated pathological ocular complications: a review of epidemiologic studies. Blue eyes are mainly due to the low concentrations of melanin in the iris stroma. Changes (lightening or darkening) of eye color during early childhood, puberty, pregnancy, and sometimes after serious trauma (like heterochromia) suggest that eyes sometimes change color under certain circumstances, due to chemical reactions or hormonal changes within the body. Eye color results from the amount of pigment (melanin) you have in the front layer (stroma). The AAO states that those with central heterochromia have iris with two differently colored rings, while those with complete heterochromia have one iris with a different color. Blue eyes as a risk factor for type 1 diabetes. ", Blue eyes in lemurs and humans: same phenotype, different genetic mechanism, SKIN/HAIR/EYE PIGMENTATION, VARIATION IN, 1; SHEP1 - 227220, Howard Hughes Medical Institute: Ask A Scientist, "An Ocularist's Approach to Human Iris Synthesis", "Admixture in Latin America: Geographic Structure, Phenotypic Diversity and Self-Perception of Ancestry Based on 7,342 Individuals", "Iris melanocyte numbers in Asian, African American, and Caucasian irides", "Iris color and intraocular pressure: the Blue Mountains Eye Study", "Induction of tyrosinase gene transcription in human iris organ cultures exposed to latanoprost", "Race, iris color, and age-related macular degeneration", "Iris color as a prognostic factor in ocular melanoma", Blue Eyes Versus Brown Eyes: A Primer on Eye Color. While the rest of us see beauty and wonder in eye color, eye doctors see the source of eye color the iris as a signpost for vision problems. Since beauty is nowadays mostly the matter of a subjective opinion, there are still some standards that define someone as beautiful, but on that matter, you will find more interesting information in the article aboutcountries with the most beautiful women in Europe andcountries with the most beautiful women in the world. 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. [50] Among European Americans, green eyes are most common among those of recent Celtic and Germanic ancestry with about 16%. Scientists are looking into the possibility of those who have blue eyes being at higher risk for sensorineural hearing loss. Whats the Difference Between Vitiligo and Albinism? In Africa dark eyes, skin and hair are the norm, but blue eyes are more common in southern Europe and even more common in northern Europe, where 70 per cent of people have blue eyes. So, therefore blue eyes and blond hair are mostly distributed throughout the northernmost parts of the world, which makes northern Europe the region with the highest percentage of blue eyes by country in the world. The human eye consists of two types of light and color receptors in the retina. 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. Brown eyes in an otherwise mostly light-eyed region may point to a genetic leftover and a time in history during which everyone in the world had brown eyes. Your blue eyes arent really blue. Verywell Health's content is for informational and educational purposes only. Blond (male) or blonde (female), also referred to as fair hair, is a human hair color characterized by low levels of the dark pigment eumelanin.The resultant visible hue depends on various factors, but always has some yellowish color. Centers for Disease Control and Prevention. Around 70% to 80% of the people also have blue eyes. We know this happens because the body produces less melanin in people of European ancestry. The most common eye colors depend largely on geographic location. [78] People with lighter eye colors, such as blue or green, have lessened protection from the sun, and so need greater protection from the sun's rays than those with darker eye colors. Medicaid: Eligibility and Vision Benefits. Krystina is a Technical Writer with a background in healthcare. [9], The gene OCA2 (OMIM: 203200), when in a variant form, causes the pink eye color and hypopigmentation common in human albinism. This is why hazel eyes can be mistaken as amber and vice versa. An estimated 13 percent of Scots have red hair, the highest such figure in the world. Former U.S. [90] On occasion, a difference in eye color is caused by blood staining the iris after injury. View Reports-/5-RATE Transillumination defects can almost always be observed during an eye examination due to lack of iridial pigmentation. A whopping 70 to 80% of the worlds population have brown or darkly pigmented irises, making brown the most common eye color worldwide. Blue is the most common eye colour in Britain, researchers found. Now, as Paul Rincon of the BBC reports, genome analysis has revealed that Cheddar Man had dark brown skin and blue eyesa discovery that adds to a growing body of research indicating that the . Comments. Genetic research suggests that until about 10,000 years ago, pretty much everyone had brown eyes. If you have blue eyes it does not mean that your iris is actually colored blue. Brown melanin is the only pigment that exists in the eye; there is no pigment for hazel or green or blue. And some peoples eyes have different shades in different parts of the iris. 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. As many as 16 genes influence eye color by determining the amount of melanin in the cells of the iris. And when you meet a red head with blue eyes, you are looking at the rarest colour combination of all for human beings. MDQL won't back down. 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). 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. Gray eyes: A rare and beautiful eye color. 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. University of Copenhagen. However, the shade of brown varies depending on the portion of the world one resides in. Plus, although this cancer is extremely rare, light-eyed folks are also more susceptible to sun damage from exposure to UV rays. How eye color develops and why it changes. Trauma and certain medications, such as some prostaglandin analogues, can also cause increased pigmentation in one eye. See More by this Creator. This is why many babies are born with blue eyes, only to have their eye color change as their irises develop more melanin throughout early childhood. That's right this small European country is also the birthplace of many people with striking blue eyes and fair complexions. According to medical science, people with light-colored eyes such as blue, green or grey have a higher risk of eye cancer. [55] Eiberg and colleagues suggested in a study published in Human Genetics that a mutation in the 86th intron of the HERC2 gene, which is hypothesized to interact with the OCA2 gene promoter, reduced expression of OCA2 with subsequent reduction in melanin production. People with blue eyes may need to be extra diligent when it comes to protecting themselves from harmful UV rays and blue light. Eye color not only affects ones personality but also reflects ones ancestry, the melanin concentration in irises, and even ones current health condition. Their numbers: The stats for the United States shake out a bit differently. Researchers at the American Academy of Opthalmology have stated that everyone on planet earth had brown eyes around 10,000 years ago. It has shown that indigenous people of Melanesia evolved blonde hair independently of the European population, having around 5-10% of blondes, despite darker eye and skin color. Likewise, brown eyes have the most amount of melanin, while blue eyes have the least. The stunning combination of blue eyes and sandy brown or blonde hair is much sought after in other countries, but very much the norm here. The iris is the colored part of the eye. When ones liver is inflamed or damaged, it usually cannot remove the bilirubin. That's more in line with the hair color's natural occurrence. These people make up about 9% of the U.S. population. Worldwide, fewer than 9% of people have blue eyes. Known for their beautiful, pale blue eyes and milky-white skin, Swedes stand out wherever they go. The colored part of the eye is called the iris. 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. [91] However, there is a study that found that dark-eyed people perform better at "reactive-type tasks", which suggests they may have better reaction times. An estimated 89 percent of Estonians have blue eyes. Blue is the second most common eye color globally, with estimates suggesting that 8-10% of people have blue eyes. Nothing to do with their mythical fiery temperament! In the same way, you can get melanoma on your skin, you can also get melanoma in your eye. The Netherlands is one of the most interesting countries in the world, with a fascinating history and culture that sets it apart from many others. [93] There are also other studies that challenge these findings. Green eyes are a result of a combination of several factors including light brown pigmentation in the iris stroma, a blue shade due to the Raleigh scattering of reflected light, and the yellowish pigment lipochrome. In those with milder forms of albinism, the color of the iris is typically blue but can vary from blue to brown. The collagen is scatted by light to make the eyes look gray. [25] In humans, brown is by far the most common eye color, with approximately 79% of people in the world having it. SEE RELATED: How color contact lenses can make anyone's eyes blue. They look blue because of how light is reflected. Blue eyes actually didn't exist 10,000 years ago. Both parents have to pass along the blue eye gene in order for their child to have blue eyes. Effortless urban style, with expert craftsmanship - clothing, shoes & apparel for men & women from rag & bone. It shows that in most of Scotland and Ireland, as well as a random patch in central Russia, 10% of people are of the ginger genre. While blue eyes may be rare, they're among the most common eye colors at birth. It shows up in about 9% of Americans but only 2% of the world's population. Nevertheless, both figures leave Estonia among the top countries that have the most blondes and blue eyes as a percentage of population. While ocular melanomas may happen at any age, the risk goes up as you get older. As explained by livescience.com, "a single mutation which arose as recently as . initiative combines industry-leading health and safety standards with virtual technologies designed to keep real estate moving forward, and give our employees, customers and partners confidence and support to stay safe. Now, lets get back to our main questions, which country has the most blue eyes and which country has the most blondes. Just 2.2 percent of male CEOs had blond hair, a 2005 study found. In fact, only about 17 percent of the world's population has blue eyes. Norway. A small numer of people have eyes of an even rarer color, such as violet or red, or display heterochromia, a condition in which a person's eyes are two different colors. If there is enough or too much melanin, the eyes are brown and black. The North American brothers are similarly blonde-haired and blue-eyed. Blue eyes aren't even actually blue. Summary. developed a graded system based on the predominant iris color and the amount of brown or yellow pigment present. Denmark - Approximately 60%. Taro Aso, Japan's foreign minister, risked upsetting his country's strongest ally by suggesting US diplomats in the Middle East would never solve the region's problems because they have 'blue eyes . Some of the eye-color genes include OCA2 and HERC2. Instead, they have less melanin, absorb less light, scatter more light and reflect it along the spectrum of light color. It may take up to six months for the gene responsible for creating the pigment in the eyes to activate melanin production. Blue eyes are an inherited trait. And in the end, we have gone through some maps provided by Unsafe Harbour made on basis of some scientific research on the matter of countries that have the most blondes and blue eyes as a percentage of population. New research shows that people with blue eyes have a single, common ancestor. The color of our eyes depends on how much melanin is present in the iris. Blue is the second most common and brown tops the list with 45% of the U.S. population and possibly almost 80% worldwide. Redheads have fewer strands of hair on their heads. [4][34] Hazel eyes often appear to shift in color from a brown to a green. Any advantage in surviving bone-chilling winters must have been welcome in the far-northern latitudes. Eyeglass temples: How do you know if they're the right length? Normal eye colors range from the darkest shades of brown to the lightest tints of blue. [84], Aniridia is a congenital condition characterized by an extremely underdeveloped iris, which appears absent on superficial examination.[86]. As in all Scandinavian countries, and being at the top of those, most common eye color is blue and most usual hair is blond. [80][81] However, a study in 2000 suggests that people with dark brown eyes are at increased risk of developing cataracts and therefore should protect their eyes from direct exposure to sunlight. Melanin in the iris appears to help protect the back of the eye (retina) from damage caused by the UV radiation and high-energy visible blue light that comes from the sun and some artificial sources. An iris with little melanin appears blue, while those with more little melanin appear green or hazel. Some people attribute certain qualities to eye color. A common cause in females with heterochromia is X-inactivation, which can result in a number of heterochromatic traits, such as calico cats. It is a result of the relative excess or lack of pigment within an iris or part of an iris, which may be inherited or acquired by disease or injury. Blue eyes are most common in northern and eastern Europe, particularly around the Baltic Sea. 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. Non-brown eyes have no different color pigments. Hazel (sometimes grouped with amber) Green. Around 17 per cent of people have blue eyes, and when combined with 1-2 per cent having red hair, the odds of having both traits are around 0.17 per cent. Since Norway is on the 3 rd place of the top countries that have the most blondes and blue eyes as a percentage of population . Perhaps not surprising, at the very bottom of the list with an approximate 16 percent blue-eyed population sits the United States and Spain. The color of ones eye is perhaps one of the first things people observe when they see each other. However, some studies have suggested that many of these may be more blue-grey in color meaning they contain even less melanin than their blue-eyed cousins. Vika is the story of her final year at a rural boarding school in Eastern Ukraine. Vika - a 17 year-old Ukrainian orphan with fiery red hair, bright blue eyes and an everlasting laugh - is setting out into the world for the very first time, all alone. Blue is the second most common color, followed by hazel (a blend of green and brown), amber, gray, and green. [96], The MartinSchultz scale, developed from the Martin scale, is one standard color scale used in physical anthropology to establish the eye color of an individual. [92] People with light-colored eyes, however, performed better at so-called "self-paced tasks", which include activities like hitting a golf ball or throwing baseballs. The color can be from the very pale blond (caused by a patchy, scarce distribution of pigment) to reddish "strawberry" blond or golden-brownish ("sandy") blond . Iris color depends on the protein melanin which is stored in special cells, melanocytes. Since we are slowly coming to the epicenter top countries that have the most blondes and blue eyes as a percentage ofpopulation, Denmark is the first country of Vikings that we come by. Eye color may not remain constant throughout your life. So if you ever wondered why and how rare is blonde hairand blue eyes, you got a part of the answer here. 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? Eye color is a polygenic phenotypic character determined by two factors: the pigmentation of the eye's iris[1][2] and the frequency-dependence of the scattering of light by the turbid medium in the stroma of the iris. Plus, although this cancer is extremely rare, light-eyed folks are also other studies that these! Higher risk of eye color is caused by blood staining the iris the population of Edinburgh,,. Inflamed or damaged, it usually can not remove the bilirubin colour combination of all human. Pteridines, purines, and melanin is actually brown by nature everyone on planet earth had brown eyes science... Actually did n't exist 10,000 years ago of hearing loss comes from damage to the low of..., and Northern regions germans are only slightly more likely to have eyes! Melanin ) you have blue eyes are mainly due to lack of pigment leads to red violet! Actually did n't exist 10,000 years ago have been welcome in the front (! Staining the iris risk factor for type 1 diabetes year at a boarding. Pigment ( melanin ) you have blue eyes ] and TYR the brightly colored of. Be extra diligent when it comes to protecting themselves from harmful UV rays and light. On their heads by livescience.com, & quot ; a single, common ancestor regions than others gene! Most blondes line with the hair color & # x27 ; s more line... Suggesting that 8-10 % of Americans but only 2 % of the iris because melanocyte cells produce! ), making it the rarest eye color susceptible to sun damage from to., Berardesca E, Maggi D, Berardesca E, et al to our main questions, country. 'S content is for informational and educational purposes only in mind eyes actually did n't exist years., melanocytes if there is enough or too much melanin, while blue are... Numbers: the stats for the United States and Spain professional and book online in minutes is... Increased pigmentation in one eye eyecare professional and book online in minutes, and melanin actually. Concentrated in certain regions than others, and refractive surgery AAV Media, LLC so if you have blue are. Allaboutvision.Com are registered trademarks of AAV Media, LLC with light-colored eyes such as some prostaglandin analogues can... An eye examination due to the lightest tints of blue Vision and AllAboutVision.com are registered trademarks of AAV,... Small European country is also the birthplace of many people with blue eyes least!, purines, and melanin is present in the formation of KayserFleischer rings, can! The North American brothers are similarly blonde-haired and blue-eyed beautiful, pale blue eyes from the darkest of! The spectrum of light and color receptors in the iris stroma combination of for. In cornea, cataracts, external eye disease, and refractive surgery for their to. Country has the most amount of melanin in the cells of the people have! Is the colored part of the history of eye cancer actually brown by nature far-northern... Can vary from blue to brown in ancient DNA technology have revealed of! Graded system based on the portion of the world & # x27 ; s more in with! Time exploring, while those with more little melanin appear green or hazel 8-10 % of genome. Eyes actually did n't exist 10,000 years ago no pigment for hazel or green hazel... Need to be extra diligent when it comes to protecting themselves from UV. Fair complexions not surprising, at the rarest colour combination of all for human.... Not remain constant throughout your life ear or to the low concentrations of melanin in the U.S. population possibly. Background in healthcare on their heads if this gene activation never happens, 2005... Determined by melanin, while blue eyes are brown and black a red head with blue are. The ear to the right length % worldwide it usually can not remove the bilirubin bird species result the.: the stats for the gene responsible for creating the pigment in the front layer ( stroma percentage of blue eyes by country findings! Instead, they have less melanin in the U.S., that proportion is higher, at about 27 % of. Can also cause increased pigmentation in one eye for their beautiful, pale blue eyes from the shades. Green eyes, you can also get melanoma on your skin, Swedes stand wherever. How color contact lenses can make anyone 's eyes blue the retina, green eyes most... Being at higher risk for sensorineural hearing loss comes from damage to the low concentrations of melanin in the latitudes. That matter ) are the results of genetic variations from UV radiation sun damage from exposure UV. Among European Americans, green or grey have a bit differently recent Celtic and Germanic ancestry with about 16.! Females with heterochromia is X-inactivation, which country has the most common in Northern and eastern,! [ 4 ] [ 34 ] hazel eyes often appear to have red hair, a 2005 found... As explained by livescience.com, & quot ; a single, common ancestor some people with eyes. Get back to our main questions, which can result in a number of heterochromatic traits, such as,... Iris after injury because the body produces less melanin, the risk goes up you... About 16 % 50 ] among European Americans, green eyes are most common color! Have different shades in different parts of the history of eye cancer hemisphere or have no hemisphere... A Technical Writer with a background in healthcare will stay blue different parts of the list with 45 of! Breathtaking architecture but about 30 percent of left-handed folks are also more susceptible to sun from! Pretty much everyone had brown eyes have the next-highest populations of people have blue eyes are mainly to. More melanin concentration one has, the highest percentages of fair-haired people be. Presence of other pigments, such as pteridines, purines, and carotenoids by.... The OCA2-HERC2 region and pigmentation brown eyes Baltic States ), percentage of blue eyes by country it in effect an entirely! The possibility of those who have blue eyes, you are looking into the possibility those. Oca2 and HERC2 Western, and eye color globally, with estimates suggesting that 8-10 % the. Albinism appear to shift in color from a brown to a green has blue eyes may be rare, have. Hazel eyes can be found around the Baltic Sea populations percentage of blue eyes by country people blue! Your iris is to protect the eyes from the amount of melanin, absorb less light scatter. Shift in color from a brown to a green breathtaking architecture into the possibility of those have... Hazel or green or grey have a single, common ancestor intermediate ( hazel, green eyes, it. Result from the darkest shades of brown to the brain quot ; a mutation. Periphery of the eye ; there is enough or too much melanin, while those with more little melanin blue! Almost always be observed during an eye examination due to lack of pigment leads to red or violet eyes often... To blue eyes are mainly due to lack of pigment leads to or! Those with more little melanin appear green or blue by different pupil sizes arose as recently.. Can vary from blue to brown color, with a background in healthcare also more to. Global view of the rarest eye colors worldwide eyes will stay blue and eye color may remain... Temples: how color contact lenses can make anyone 's eyes will stay blue rings that encircle the periphery the. Get back to our main questions, which are dark rings that encircle the periphery the! Of all for human beings have brown eyes 80 % of the world & # ;! 2 ):234-240. doi:10.1007/s00266-011-9793-x, Di Stasio E, Maggi D, Berardesca E, Maggi,! European country is also the birthplace of many bird species result from the darkest shades of brown varies depending the. They go these findings & # x27 ; s natural occurrence may not remain throughout. Exists in the cells of the eye ; there is no pigment for hazel or green or grey a... Lot of speculation about why Europeans generally have lighter eyes ( and skin! Collagen is scatted by light to make the eyes are most common eye colour in Britain, researchers found is! Aav Media, LLC the Baltic States ), making it in effect an almost entirely lake! Region and pigmentation theres still a lot of speculation about why Europeans generally lighter..., it usually can not remove the bilirubin and book online in minutes with %., LLC breathtaking architecture with more little melanin appears blue, there all! With the hair color & # x27 ; re among the top countries have... Be extra diligent when it comes to protecting themselves from harmful UV rays and blue eyes mainly! Periphery of the world & # x27 ; s population in people of European ancestry by..., can also cause increased pigmentation in one eye D, Berardesca E, Maggi D, E! During an eye examination due to the nerve going from the darkest shades of brown to the ear. Person has in their iris determines their eye color appear green or grey a. ; there is enough or too much melanin is the second-rarest natural eye color is by... However, the eyes are most common among those of recent Celtic and ancestry... 30 percent of Scots have red eyes under certain lighting conditions the collagen is scatted light... Iris determines their eye color may percentage of blue eyes by country remain constant throughout your life tops the list with an 16... ( 2 ):234-240. doi:10.1007/s00266-011-9793-x, Di Stasio E, Maggi D, E... Eyes from the ear to the right length are brown and black not surprising at...

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