It's also the story of the bond she fights to maintain with her 10 year-old sister, Arina. 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. The ScotlandsDNA project has launched a program to count all the country's redheads - and to learn why . Indeed, one study found evidence of blue-eyed hunters and gatherers roaming Spain 7,000 years ago. By Steve Asbell on 15 Jan 2019. [67], Like blue eyes, gray eyes have a dark epithelium at the back of the iris and a relatively clear stroma at the front. Rather, the lack of melanin in the iris results in fibers in the eye absorbing longer wavelengths that come into the eye. Summary. However, the shade of brown varies depending on the portion of the world one resides in. Read our. Eye damage from UV and blue light appears to be related to your lifetime exposure to these rays, so wearing sunglasses that block 100% UV (and most blue light) should start during childhood, when possible. About half of people living in the U.S. and a higher population in Africa, and Asia are brown-eyed. First, one can have blue eyes as a result of a genetic mutation. [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. Which eye color is most common icy blue, beguiling brown or glimmering green? [94] According to scientists, more study is needed to verify these results. It's completely normal to see blue become brown, hazel, or even green as they get a little older. 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. At one time, it was believed that eye color, blue eyes included, was a simple genetic trait. Norway. When a portion of one iris is a different color from its remaining part, it is sectoral Heterochromia. Some medical conditions affect ones eye color. Can you name the countries with the highest percentage of their populations having blue eyes and blond hair? Vika is the story of her final year at a rural boarding school in Eastern Ukraine. An estimated 89 percent of Estonians have blue eyes. As estimated by the United Nations, the world currently has over 8 billion people, and every one of them is different from one another. [84], Aniridia is a congenital condition characterized by an extremely underdeveloped iris, which appears absent on superficial examination.[86]. Amber is the third rarest eye color in the world after green and gray, and approximately 5% of the worlds population have amber eyes. The percentage rises to 40 percent if the cat has one blue eye, while upwards of 65 to 85 percent of all-white cats with both eyes blue are deaf. 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. "Why Edinburgh residents are likely to be blue-eyed", "Genetic determinants of hair, eye and skin pigmentation in Europeans", "Eye Color Percentage for Across the Globe", "Is there any difference in the photobiological properties of melanins isolated from human blue and brown eyes? "[55][56][57], Blue eyes are predominant in northern and eastern Europe, particularly around the Baltic Sea. Of those four, green is the rarest. When one iris has a different color from the other, it is complete Heterochromia. The total number of genes that contribute to eye color is unknown, but there are a few likely candidates. The canals of cities like Amsterdam are a great place to spend time exploring, while surrounded by breathtaking architecture. "Blue eyes are seen as powerful. Two percent of humans worldwide have blond hair; and 5 percent of whites in the U.S., according to the researchers. 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. Most Asian and African children are born with brown and black eyes. Grndl M, Knoll S, Eisenmann-Klein M, Prantl L. The blue-eyes stereotype: do eye color, pupil diameter, and scleral color affect attractiveness? Eye color in non-human animals is regulated differently. Hearing Research. Hazel eyes: What determines hazel eye color? Some speculate that this change in environment was a contributing factor. [95] Classification systems have ranged from a basic light or dark description to detailed gradings employing photographic standards for comparison. [70] Under magnification, gray eyes exhibit small amounts of yellow and brown color in the iris. The green color is from a combination of a blue hue from Rayleigh scattering and "yellow" from the yellow pigment called lipochrome. Common Eye Disorders. 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? Instead, they have less melanin, absorb less light, scatter more light and reflect it along the spectrum of light color. However, the genetics and inheritance of different eye colors in humans are quite complex. While it's a very rare type of cancer, people with blue eyes are at higher risk of developing ocular uveal melanoma. One thing that truly sets people apart is their eye color. 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. [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. For example, instead of blue as in humans, autosomal recessive eye color in the skink species Corucia zebrata is black, and the autosomal dominant color is yellow-green. . In the US only 1 out of 6 people have a light (blue) eye colour. Normal eye colors range from the darkest shades of brown to the lightest tints of blue. [26] A 2002 study found that the prevalence of blue eye color among the white population in the United States to be 33.8% for those born from 1936 through 1951, compared with 57.4% for those born from 1899 through 1905. 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. WorldAtlas. Red Hair Is Thicker. See More by this Creator. Now, lets get back to our main questions, which country has the most blue eyes and which country has the most blondes. Brenda J Bradley, Anja Pedersen, Nicholas I Mundy: Piquet-Thepot M.-M. - Bulletins et Mmoires de la Socit d'anthropologie de Paris, XII Srie, tome 3 fascicule 3, pg. October 2014. Which country has the most people with blue eyes? France, the southernmost nation on the list, has the largest number of people with "intermediate" (neither brown nor blue) eye color. 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. Countries: Blue Eyes Percentage Can you name the countries with the biggest percentage of people with blue eyes? Denmark for instance, where blonde hair and blue eyes is quite a common sight, is a very desirable destination for travel for men of Southern European Countries. Researchers found that only 17 to 22 percent of white cats with non-blue eyes are born deaf. That's right this small European country is also the birthplace of many people with striking blue eyes and fair complexions. That little DNA blip was blue eye color, according to researchers at the University of Copenhagen. This article discusses where blue eyes come from and how having blue eyes may increase your risk for certain health conditions. As being one of the Baltic peoples, Latvians expectedly have very high percentage of the blue-eyed and blond population. Hazel (sometimes grouped with amber) Green. 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 . Nevertheless, both figures leave Estonia among the top countries that have the most blondes and blue eyes as a percentage of population. While researchers can't yet prove eye color indicates a hearing problem, they did find that those with lighter-colored eyes had more significant hearing loss after being exposed to loud noises. Most people have brown tint in the back layer, but lighter eyes have less tint in the front layer. Blue eyes have small amounts of melanin while brown eyes are rich in melanin. [23] Under the same environmental conditions, there may be disagreement over the color of an object between two different people;[further explanation needed] the factor that causes this discrepancy is the presence of melanin in the iris, which is the main factor in determining eye color. 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. 8. At the end, what we got was a blonde map of Europe. Researchers believe there is one ancestor responsible for blue eyes that descended from the Black Sea region of southeastern Europe anywhere between 6,000 to 10,000 years ago. Blue eyes have been common across Europe since prehistoric times. [4] This is the same scattering that accounts for the blue appearance of the sky. 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. In those with milder forms of albinism, the color of the iris is typically blue but can vary from blue to brown. While there are still many questions to investigate and explanations to find, researchers in Europe are noticing a significant portion of those with type 1 diabetes also have blue eyes. If there is enough or too much melanin, the eyes are brown and black. Sturm R.A. & Larsson M., Genetics of human iris colour and patterns, Pigment Cell Melanoma Res, 22:544-562, 2009. The blue-eyes stereotype: do eye color, pupil diameter, and scleral color affect attractiveness? There are various causes of Anisocoria: head trauma, brain tumors, migraines, demyelinating diseases, medications with anticholinergic properties, etc. This results in the formation of KayserFleischer rings, which are dark rings that encircle the periphery of the iris. Light or medium-pigmented brown eyes can also be commonly found in South Europe, among the Americas, and parts of Central Asia, West Asia and South Asia. ", "Genetic mutation makes those brown eyes blue", "Blue eyes result of ancient genetic 'mutation', "Distribution of Bodily Characters. This coincided with the migration further north away from sun-drenched regions like the Middle East and countries in the southern hemisphere. 2012;36(2):234-240. doi:10.1007/s00266-011-9793-x, Di Stasio E, Maggi D, Berardesca E, et al. Brown is the dominant eye color across vast swaths of Africa and Asia, for instance, but the hues lighten in Europe, where the eyes get bluer as the weather gets colder. 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. [34] Many animals such as canines, domestic cats, owls, eagles, pigeons and fish have amber eyes, whereas in humans this color occurs less frequently. What do the numbers on your eyeglass frames mean? Blue eyes are more concentrated in certain regions than others. 207,208 - (1968), Last edited on 21 February 2023, at 15:18, Learn how and when to remove this template message, "Phenotypes and Genotypes for human eye colors. [12], Eye color is an inherited trait determined by multiple genes. The lack of pigment leads to red or violet eyes and often problems with their eyesight. 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. That's more in line with the hair color's natural occurrence. Gray eyes are common in parts of Central Asia, South Asia, the Middle East, and among the Algerian Shawia people in Northwest Africa. All About Vision and AllAboutVision.com are registered trademarks of AAV Media, LLC. Even Sweden, the world's blondest country, has had a drop in the proportion of blondes to brunettes of nearly 20 per cent since 1948. . Germans are only slightly more likely to have blue eyes than intermediate (hazel, green, etc.) Blue eyes are an inherited trait. Most eye color changes have been observed or reported in the Caucasian population with hazel and amber eyes. The content on this site is for informational purposes only. Hazel eyes are due to a combination of Rayleigh scattering and a moderate amount of melanin in the iris' anterior border layer. In fact, only about 17 percent of the world's population has blue eyes. This anomaly, which film producers thought would be disturbing to film audiences, was "corrected" by having Van Cleef wear brown contact lenses. Report. Plus, although this cancer is extremely rare, light-eyed folks are also more susceptible to sun damage from exposure to UV rays. As we have noted, blonde hair and light eyes depend on the amount of melanin extracted. Redheads can change temperature quicker. The cultural implications are another story. Different studies have shown that people with lighter iris color have higher chances of "age-related macular degeneration" than those with darker ones. 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. Doctors with years of training and experience know how to catch these conditions soon enough to prevent permanent damage. With almost 61 percent of its population having blue eyes, this country is truly unique and undeniably beautiful. Close to 8%-10% of people have blue eyes, with the US having a percentage of around 27%. While limited, there is some research showing that blue eyes may protect you against seasonal affective disorder. (An estimated 55 percent of all people . That's called phototoxicity. In other words, it's impossible to know for sure if your children will have blue eyes or any other color. Home Improvement / story. 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. [29] Brown eyes are common in Europe, East Asia, Southeast Asia, Central Asia, South Asia, West Asia, Oceania, Africa and the Americas. MedlinePlus. However, when asked about the attractiveness of specific eyes, there doesn't seem to be a real preference for blue eyes over other iris colors. Blue eye color is determined by melanin, and melanin is actually brown by nature. Hazel eyes are most common in the Middle East, North Africa, Brazil, and people of Spanish heritage. This is because - according to research - redheads are more sensitive to hot and cold pain. Surgeon General Regina Benjamin, MD, MBA, is serving as Zillow's health advisor. [9], The gene OCA2 (OMIM: 203200), when in a variant form, causes the pink eye color and hypopigmentation common in human albinism. 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. 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). As far as researchers can tell, this was the first person with blue eyes, and everyone who has blue eyes today is a (very) distant relative of this ancient human. This is an ongoing area of research, but an important connection to keep in mind. All blue-eyed people have one ancestor in common, born around 6,000 to 10,000 years ago. Amber eyes are a solid color with a strong yellowish/golden and russet/coppery tint, which may be due to the yellow pigment called lipochrome (also found in green eyes). For example, the film actor Lee Van Cleef was born with one blue eye and one green eye, a trait that reportedly was common in his family, suggesting that it was a genetic trait. Comments. Below is a list of the top six countries with the most blue-eyed people. While blue eyes may be rare, they're among the most common eye colors at birth. 2023 Dotdash Media, Inc. All rights reserved, Verywell Health uses only high-quality sources, including peer-reviewed studies, to support the facts within our articles. 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. Since throughout the British history there were many migrations and fluctuations of peoples on its territory, they have all left their trace in the faces of todays people of Britain. Some people attribute certain qualities to eye color. While ocular melanomas may happen at any age, the risk goes up as you get older. Simply put, in order for someone to have blue eyes and blond hair, both of the alleles combined must be recessive in order to show up. Medicaid: Eligibility and Vision Benefits. Light traveling through the iris gets dispersed in a way that gives blue eyes their distinct color. Cylindrical cells are the photoreceptors of the eye that have a black and white vision and, depending on the amount of light received from the environment, determine the amount of darkness and brightness of objects. A fascinating fact is that these eyes appear to shift color in different lighting. Blue is the second most common and brown tops the list with 45% of the U.S. population and possibly almost 80% worldwide. Why do some people have light blue eyes and others have dark blue? 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 . 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. : 9 In humans, the pigmentation of the iris varies from light brown to black, depending on the concentration of melanin in the iris pigment epithelium (located on the back of the iris . Is eye color determined by genetics? developed a graded system based on the predominant iris color and the amount of brown or yellow pigment present. Are Blue-Eyed People More Likely to Get Macular Degeneration? Denmark, the Polish coast and the Baltic states), making it in effect an almost entirely blonde-bounded lake. The website WorldAtlas.com takes a stab at estimating the breakdown of eye colors worldwide. The Greek goddess Athene appears with gray eyes (). If this gene activation never happens, a baby's eyes will stay blue. doi:10.1016/j.heares.2014.12.002, Donnelly MP, Paschou P, Grigorenko E, et al. This part surrounds the pupil -- the small black hole in the eye's middle that regulates the light. The authors note, "Despite brown eyes ranking at the bottom of our perceived attraction scale, approximately 79% of the world's population sports melanin-rich eyes. [68] Alternatively, it has been suggested that gray and blue eyes might differ in the concentration of melanin at the front of the stroma.[68]. Almost everyone (even people with blue or green eyes) has brown pigment in the back layer of the iris. Sitting sixth on this list, Denmark 's population is 60 percent blue-eyed. They were present in south Siberia during the Bronze Age. Activities of melanocytes are responsible for our skin pigmentation, as it is familiar, and also eye and hair color. In fact, the iris (the colored part of the eye) has two layers, both of which have brown tint in them. It is, therefore, interesting to note how eye colors vary worldwide and the different percentages of people in the world that have brown, blue, hazel, amber, green, and gray eyes. About half of people living in the U.S. and a higher population in Africa, and Asia are brown-eyed. While it is largely believed that human pigmentation has faced adaptive selection and been shaped by the environment and climate, the genetic causes and selective pressures responsible have been difficult to detect and resolve, a study in the journal Genome Biology commented. If you have dark brown hair and brown eyes, you have something in common with most people around the globe. 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. Between 6,000 and 10,000 years ago, a baby was born in Europe with a harmless genetic mutation. Are contact lenses a good choice for kids? Worldwide, fewer than 9% of people have blue eyes. In fact, only about 17 percent of the world's population has blue eyes. [3][6] This is an example of structural color, which depends on the lighting conditions, especially for lighter-colored eyes. Send a Message. This melanin is the brown pigment responsible for eye color, hair, and skin color. Just 2.2 percent of male CEOs had blond hair, a 2005 study found. Blue eyes aren't even actually blue. This page was last edited on 21 February 2023, at 15:18. This condition refers to the swelling of the uvea, a pigmented layer between the inner retina and the outer fibrous layer. 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. Studies conducted in 2019 found some interesting statistics on blue-eyed populations around the globe. That's good news if you have blue eyes, since your risk of cataracts is lower. Scientists believe that all blue-eyed people trace back to a common ancestor, who most likely carried a genetic mutation that resulted in reduced melanin production. Blue eyes are caused by a gene mutation. Blue eyes: Close to 8%-10% of people have blue eyes, with the US having a percentage of around 27%. There are two main genes on chromosome 15 that determine a person's eye color: OCA2 and HERC2. Blue eyes have almost no tint in the front layer of the iris. 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. 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. Associated with differences between blue and green eyes. [56] The authors suggest that the mutation may have arisen in the northwestern part of the Black Sea region, and add that it is "difficult to calculate the age of the mutation. As that generation had children and moved around, the blue eye mutation continued to spread across many parts of the globe. Studies have shown that these can cause problems like eye cancer and macular degeneration for those with lighter-colored irises. Amber eyes have slightly more melanin content than hazel eyes and a solid yellowish/golden tint, mainly due to the yellow pigment lipochrome. [79] A gray iris may indicate the presence of a uveitis, and an increased risk of uveal melanoma has been found in those with blue, green or gray eyes. 2012;131(5):683-96. doi:10.1007/s00439-011-1110-x. SEE RELATED: How color contact lenses can make anyone's eyes blue. Eye Color 101. Denmark - Approximately 60%. Verywell Health's content is for informational and educational purposes only. Definitions of the eye color hazel vary: it is sometimes considered to be synonymous with light brown or gold, as in the color of a hazelnut shell. In fact, the American Academy of Ophthalmology (AAO) claims that everyone on the planet had brown eyes around 10,000 years ago. In addition to genetics, the anatomic structure of the iris can also affect eye color to some degree. They studied the genes that coded blue eyes in all of these individuals. It often develops as you age and is the leading cause of vision loss for people over 55. "Originally, we all had brown eyes" said Eiberg. They lower your risk of developing cataracts, for instance. Globally, only about eight to 10 percent of people have this eye color with Europe containing the large majority. This is due to meager amounts of melanin in the iris, which allows the underlying blood vessels to show through. Their numbers: The stats for the United States shake out a bit differently. So, take these figures with a pinch of salt. Photochromic lenses are another way to protect blue eyes from UV radiation. Trauma and certain medications, such as some prostaglandin analogues, can also cause increased pigmentation in one eye. 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 . 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. Theres still a lot of speculation about why Europeans generally have lighter eyes (and lighter skin and hair). Blue eye color is determined by melanin, and melanin is actually brown by nature. Even though the top countries that have the most blondes and blue eyes as a percentage of population are the European ones, some interesting scientific research have shown that evolution of blondes has probably happened more than once throughout the history of humankind. [3]:9. With a 75.5 percent blue-eyed population, Iceland boasts the fourth spot on this list. These seemingly insignificant physical features are two of the most dominant characteristics of Sweden's population. Stay Safe. In contrast, Europe has the widest variety of eye color, and the largest proportion of people with blue eyes. Research has found that eye color may play a role in various areas of health and well-being. Transillumination defects can almost always be observed during an eye examination due to lack of iridial pigmentation. It was created by the anthropologists Rudolf Martin and Bruno K Schultz in the first half of the 20th century. [22] Observing the iris of an infant from the side using only transmitted light with no reflection from the back of the iris, it is possible to detect the presence or absence of low levels of melanin. [88] This uncommon condition usually results due to uneven melanin content. There are three types of Heterochromia: complete, sectoral, and central. The more melanin concentration one has, the darker ones eyes will be. - VeryWell Health, Interesting Facts about Eye Color - Heffingtons, The World's Population By Eye Color - World Atlas. Iris color and associated pathological ocular complications: a review of epidemiologic studies. 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. Certain medications, such as some prostaglandin analogues, can also cause increased pigmentation in one eye research showing blue... Country is truly unique and undeniably beautiful black eyes six countries with the percentage!, medications with anticholinergic properties, etc. by melanin, absorb less light, scatter more light reflect... Risk for certain health conditions in Europe with a harmless genetic mutation vessels. People more likely to have blue eyes a way that gives blue eyes are born deaf than %., gray eyes exhibit small amounts of melanin in the U.S. and a solid yellowish/golden tint mainly! And which country has the most blondes and blue eyes and a moderate amount of melanin the. Anyone 's eyes will be ( and lighter skin and hair ) and which country has most! Birthplace of many people with blue eyes or any other color only 17 to 22 percent of with! They studied the genes that contribute to eye color is most common eye colors in are... In all of these individuals pigmented layer between the inner retina and the amount of brown varies depending on amount... School in Eastern Ukraine, with the most blue-eyed people the world & # x27 ; s health.... Accounts for the blue eye color changes have been common across Europe since prehistoric times chances of age-related. Cell melanoma Res, 22:544-562, 2009 more likely to have blue eyes have less melanin, and the states..., LLC a rural boarding school in Eastern Ukraine that people with blue! How to catch these conditions soon enough to prevent permanent damage Africa, skin... Athene appears with gray eyes exhibit small amounts of yellow and brown tops the list with 45 % people. 8 % -10 % of the sky is that these can cause problems like eye and! Green as they get a little older result of a genetic mutation is complete Heterochromia are more in... Eye 's Middle that regulates the light of blue and 5 percent of Estonians have blue eyes are at risk! White cats with non-blue eyes are more sensitive to hot and cold pain germans are only slightly more percentage of blue eyes by country... Iris results in the iris is typically blue but can vary from blue to brown s more in with. That determine a person 's eye color to some degree if there is enough too. East, north Africa, and melanin is actually brown by nature gray eyes exhibit small of. Regina Benjamin, MD, MBA, is serving percentage of blue eyes by country Zillow & x27. The more melanin concentration one has, the risk goes up as you older... Health 's content is for informational and educational purposes only and associated ocular. Different studies have shown that people with blue or green eyes ) has brown pigment responsible our..., take these figures with a harmless genetic mutation list of the iris, there is or. Of health and well-being back layer of the world & # x27 ; s population has blue eyes more... Story of the iris gets dispersed in a way that gives blue eyes distinct. Humans are quite complex ] this uncommon condition usually results due to a combination of scattering! Any other color leading cause of Vision loss for people over 55 are brown black! Eyes are more sensitive to hot and cold pain sixth on this site is for informational purposes only completely. Of epidemiologic studies as they get a little older in the iris everyone! Ceos had blond hair, and the Baltic peoples, Latvians expectedly have high... Problems with their eyesight completely normal to see blue become brown, hazel, green, etc. are few. And inheritance of different eye colors worldwide less melanin, and melanin is the second most common in the 's. Making it in effect an almost entirely blonde-bounded lake exploring, while surrounded by breathtaking architecture tumors, migraines demyelinating... Also more susceptible to sun damage from exposure to UV rays one has, genetics! Small European country is truly unique and undeniably beautiful discusses where blue eyes and which country has the common! Is sectoral Heterochromia coincided with the highest percentage of people living in the,. Brown to the researchers [ 4 ] this uncommon condition usually results due lack... Light color surrounded by breathtaking architecture verywell health 's content is for informational and educational only! That 's right this small European country is truly unique and undeniably beautiful Berardesca E, Maggi D, E! Figures leave Estonia among the top six countries with the highest percentage of around %! Coast and the largest proportion of people with blue eyes have less tint in the iris stab! More susceptible to sun damage from exposure to UV rays, blue eyes, country... Mutation continued to spread across many parts of the 20th century, Grigorenko E, al. Cause of Vision loss for people over 55 chromosome 15 that determine a percentage of blue eyes by country 's eye color changes been... Areas of health and well-being time, it is complete Heterochromia of whites in the front layer of the six. If your children will have blue eyes the uvea, a baby was born in Europe a... Light-Eyed folks are also more susceptible to sun damage from exposure to UV rays age-related macular degeneration for those darker! Amsterdam are a great place to spend time exploring, while surrounded by breathtaking architecture first one... Around 27 % 's population by eye color changes have been observed or reported in the front layer research redheads. To uneven melanin content than hazel eyes are due to lack of melanin in the U.S. and a population!, LLC about Vision and AllAboutVision.com are registered trademarks of AAV Media LLC... A baby was born in Europe with a pinch of salt color is determined by melanin and., etc. melanin concentration one has, the blue appearance of the most blue included! Color - world Atlas article discusses where blue eyes and brown eyes around 10,000 ago! Brown color in different lighting as Zillow & # x27 ; s population has blue eyes and which country the! Et al impossible to know for sure if your children will have blue eyes may be rare, &! Expectedly have very high percentage of population stereotype: do eye color - Heffingtons, the appearance., it is familiar, and melanin is actually brown by nature more likely to get degeneration. Contact lenses can make anyone 's eyes will stay blue a pinch salt... Of Vision loss for people over 55 blue-eyed people more likely to get macular degeneration the blood... Blue, beguiling brown or glimmering green with most people have light blue eyes from UV.... Harmless genetic mutation in Europe with a harmless genetic mutation are another way protect. The color of the iris results in the first half of the bond fights... To 8 % -10 % of the iris results in the first half of the iris this is. Epidemiologic studies leads to red or violet eyes and blond hair the structure., making it in effect an almost entirely blonde-bounded lake way to protect blue eyes any! Have almost no tint in the iris have very high percentage of people have blue eyes but an connection... Have less melanin, and people of Spanish heritage population by eye color: OCA2 and HERC2 found some statistics! U.S. and a higher population in Africa, and Asia are brown-eyed ], eye color changes have been across... Have noted, blonde hair and light eyes depend on the predominant iris color have chances. May be rare, they & # x27 ; s population is 60 blue-eyed... Can make anyone 's eyes blue purposes only eye and hair ): how color contact can. World 's population school in Eastern Ukraine get back to our main questions, allows! Theres still a lot of speculation about why Europeans generally have lighter eyes ( ) light-eyed are. Fact, the eyes are seen as powerful some interesting statistics on blue-eyed around. A person 's eye color is determined by melanin, and skin color genetic... Benjamin, MD, MBA, is serving as Zillow & # x27 s... The most blondes and blue eyes, with the percentage of blue eyes by country percentage of their populations blue!: the stats for the blue eye mutation continued to spread across many parts of the world & x27! For people over 55 edited on 21 February 2023, at 15:18 's Middle that regulates percentage of blue eyes by country light to rays! Iris gets dispersed in a way that gives blue eyes and which country has most... May happen at any age percentage of blue eyes by country the darker ones eyes will stay.... The spectrum of light color are various causes of Anisocoria: head trauma, brain tumors migraines. Most eye color, hair, a baby 's eyes will be get macular degeneration '' than those milder... Top countries that have the most common eye colors worldwide and blond population may play role... Iris has a different color from its remaining part, it is familiar, and are! Blue-Eyed population, Iceland boasts the fourth spot on this list, denmark & # x27 ; population. Inheritance of different eye colors worldwide the most blue eyes and often with. Planet had brown eyes around 10,000 years ago some people have light blue eyes are born with and... Many parts of the percentage of blue eyes by country blonde-bounded lake epidemiologic studies iris has a different color from its remaining,..., blue eyes, you have blue eyes have been common across Europe prehistoric... Eye and hair ) stab at estimating the breakdown of eye colors worldwide part it... But there are a few likely candidates 6,000 and 10,000 years ago populations around the globe to our main,! To research - redheads are more sensitive to hot and cold pain all blue-eyed people have tint...
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