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Ryukyuans

The Ryukyuans are a Japonic-speaking East Asian ethnic group indigenous to the Ryukyu Islands, which stretch from the island of Kyushu to the island of Taiwan. In Japan, most Ryukyuans live in the Okinawa Prefecture or Kagoshima Prefecture. They speak the Ryukyuan languages, one of the branches of the Japonic language family along with the Japanese language and its dialects.

Etymology
In English, they are also known as Okinawans or Lewchewans. Their usual ethnic name derives from the Chinese name for the islands, (also spelled as Loo Choo, Lew Chew, Luchu, and more), Another endonym is Shimanchu (). These terms are rarely used outside of the ethnic community, and are politicized markers of a distinct culture. "Ryukyu" is another name from the Chinese side, and "Okinawa" is a Japanese cognate of Okinawa's indigenous name "Uchinaa", originating from the residents of the main island referring to the main island against the surrounding islands, Miyako and Yaeyama. Mainland Japanese adapted Okinawa as the way to call these people. ==Origins==
Origins
Genetic studies According to recent genetic studies, the Ryukyuans are a distinct genome-wide cluster within the Japanese people. They share more alleles with Southern Jōmon hunter-gatherers than Yayoi agriculturalists and have about 28% Jōmon ancestry although other studies estimate their Jōmon ancestry at 36% and 26.1%. This aligns with the dual-structure model proposed by Hanihara (1991), which suggests that the Yamato Japanese are more admixed with Asian agricultural continental people (from the Korean Peninsula) than the Ainu and the Ryukyuans, with major admixture occurring in and after the Yayoi period (3,000–1,700 years ago). This Jōmon ancestry lasted until the Gusuku Period, around 11th century AD, where there was significant admixture with mainland Japanese, who had tripartite ancestry consisting of Jōmon, East Asian and Northeast Asian ancestries. There is also evidence of Amami islanders being more related to Mainland Japanese than Okinawan islanders. Northern Ryukyuan Jōmon were more related to Kyushuan Jōmon Other studies, however, suggest genetic homogeneity within the Jōmon. Overall, mainland Japanese are genetically the closest to Ryukyuans, followed by Koreans and Chinese. Taiwanese aborigines are genetically distant from Ryukyuans despite being neighbors, with no evidence of gene flow from the former. According to an autosomal DNA analysis of Okinawan samples, they are closely related to contemporary East Asian populations, especially Japanese populations. They exhibit about 80% admixture with mainland Japanese, followed by 19% admixture with Chinese populations. They also have isolate characteristics. Likewise, there are high genetic affinities between Ainu and Ryukyuans due to having higher Jōmon ancestry than the average mainland Japanese. The female mtDNA and male Y chromosome markers are used to study human migrations. The research on the skeletal remains from the Neolithic Shell midden period (also known as Kaizuka period) in Okinawa, as well from the Gusuku Period, showed predominance of female haplogroups D4 and M7a and their genetic continuity in the contemporary female population of Okinawa. It is assumed that M7a represents "Jomon genotype" introduced by a Paleolithic ancestor from Southeast Asia or the southern region of the Asian continent, around the Last Glacial Maximum with the Ryukyu Islands as one of the probable origin spots; in contrast, the frequency of the D4 haplogroup is relatively high in East Asian populations, including in Japan, indicating immigrant Yayoi people, probably by the end of the late Kaizuka period, while haplogroup B4 presumably derived from aboriginal Taiwanese. meaning mainly different maternal origins of the contemporary Ryukyuan and Ainu people. A 2023 study, however, suggests an indigenous origin for haplogroup M7a. The research on the contemporary Okinawan male Y chromosome showed, in 2006; 55.6% of haplogroup D-P-M55, 22.2% O-P31, 15.6% O-M122, 4.4% C-M8, and 2.2% others. It is considered that the Y haplogroups expanded in a demic diffusion. The haplogroups D and C are considered to be of Neolithic and Paleolithic origin, with coalescence time of 19,400 YBP and expansion 12,600 YBP (14,500 YBP and 10,820 YBP respectively), and were isolated for thousands of years once land bridges between Japan and continental Asia disappeared at the end of the last glacial maximum 12,000 YBP. The haplogroup O began its expansion circa 4,000–3,810 years ago, and thus the haplogroups D-M55 and C-M8 belong to the Jomon's male lineage, and haplogroup O belongs to the Yayoi's male lineage. Haplogroup M12 is considered as mitochondrial counterpart of Y chromosome D lineage. This rare haplogroup was detected only in Yamato Japanese, Koreans, and Tibetans, with the highest frequency and diversity in Tibet. Anthropological studies Comparative studies on dental diversity showed long-term gene flow from outside sources (Honshu Island and southern East Asia), long-term isolation, and genetic drift, which produced morphological diversity among the modern Ryukyuans. This analysis, however, contradicts the idea of homogeneity among the Jōmon people and close affinities between the Ainu and the Ryukyuans. A 2017 craniometric study states that the Ryukyuans were more similar to Yamato people and their ancestors, the Yayoi people. The Ryukyuans differ strongly from the Ainu people, which, according to the authors, is strong evidence for heterogeneity among the Jōmon period population. According to a 2019 study, Ryukyuans shared some facial features with Ainu but there were also some differences. Specifically, they retained the phenotypes of Neolithic Shell midden-era populations. Compared to mainland Japanese, Ryukyuans were shorter, had broader faces and lower facial and nasal heights. But they also had broader nasal bones and more prominent glabellas and nasal roots. Their non-metric dental characteristics were intermediate between the Sinodonty of mainland Japanese and Sundadonty of Ainu. Another study suggests better preservation of phenotypes associated with the Jōmon, including Ainu people, and Yayoi populations in the southernmost regions of Japan due to less influence from recent Northeast Asian migrations. According to a 2023 study, there were no significant differences in craniofacial or facial shapes within the Jōmon. However, Southern and Western Jōmon often have a more globular neurocranium when viewed in the sagittal plane compared to Northeastern Honshu Jōmon, who often have high and large frontal regions, along with low, more compressed and angled occipital regions. This reflects a shift towards agricultural lifestyles among Southern and Western Jōmon whilst older forager lifestyles were upheld by Northeastern Honshu Jōmon. Jōmon from Southern and Western Japan and inland central Honshu also differ from Jōmon from coastal central Honshu, Northeastern Honshu and Hokkaido in terms of their temporalis muscle region, reflecting differential influences of plant-based and marine-based diets respectively. The former is described as having "an anteroposteriorly shorter, superoinferiorly taller temporalis region with a mediolaterally narrower temporal fossa". A 2024 study analyzed two Jōmon-era remains from the Ryukyuan islands; the 'Minatogawa I' and 'Shiraho 4'. 'Minatogawa I' resembled Wadjak from Indonesia than to Upper Cave and Liujiang individuals from China and had morphological affinities with Australo-Melanesians. 'Shiraho 4', on the other hand, resembled prehistoric Southeast Asians, along with mainland Jōmon and Mintogawa. A 2025 study, however, shows no significant inter-phase or geographical differences among different Jōmon specimens. However, variations within phases and geographical regions are more salient. Challenging the notion of ethnic homogeneity in Japan The existence of the Ryukyuans challenges the notion of ethnic homogeneity in post-WWII Japan. After the demise of the multi-ethnic Empire of Japan in 1945, successive governments had forged a single Japanese identity by advocating monoculturalism and denying the existence of ethnic minority groups. ==History==
History
Early history The Ryukyu Islands were inhabited from at least 32,000–18,000 years ago, but their fate and relation with contemporary Ryukyuans is uncertain. During the Jōmon period (i.e., Kaizuka) or so-called shell midden period (6,700–1,000 YBP) of the Northern Ryukyus, the population lived in a hunter-gatherer society, with similar mainland Jōmon pottery. They assisted the Ryukyuans in advancing their technology and diplomatic relations. From the same year onward Ryukyu was allowed to send official students to China i.e. Guozijian. The tributary relationship with China later became a basis of the 19th century Sino-Japanese disputes about the claims of Okinawa. Ryukyu Kingdom 's capital Shuri Castle Between 1416 and 1429, Chūzan chieftain Shō Hashi successfully unified the principalities into the Ryukyuan Kingdom (1429–1879) with the castle town Shuri as royal capital, founded the First Shō dynasty, and the island continued to prosper through maritime trade, especially tributary relations with the Ming dynasty. Around and especially after the Japanese annexation of Taiwan in 1895, Japan's developmental focus shifted away from Okinawa, resulting in a period of famine known as ("Cycad hell"). Between 1920 and 1921, a fall in sugar prices, as well as the transfer of Japan's sugar production to Taiwan, led to Ryukyu being the poorest prefecture, despite having the heaviest taxation burden; the drop in sugar prices would continue into 1931, further worsening the situation. As a result of the ensuing economic crisis, many people were forced to either find work in Japan (often Osaka and Kobe) or abroad in Taiwan. By 1935, roughly 15% of the population had emigrated. WWII and post-war history During World War II and battles like the Battle of Okinawa (1945), approximately 150,000 civilians (1/3 of the population) were killed in Okinawa alone. After the war, the Ryukyu Islands were occupied by the United States Military Government of the Ryukyu Islands (1945–1950), but the U.S. maintained control even after the 1951 Treaty of San Francisco, which went into effect on 28 April 1952, as the USMMGR was replaced by the United States Civil Administration of the Ryukyu Islands (1950–1972). During this period the U.S. military requisitioned private land for the building of their facilities, with the former owners put into refugee camps, and its personnel committed thousands of crimes against the civilians. Only twenty years later, on 15 May 1972, Okinawa and nearby islands were returned to Japan. since it was assumed that his visits would likely cause uproar, as in July 1975 when Akihito as a crown prince visited Okinawa and a firebomb was thrown at him, There is a small post-war Ryukyu independence movement, but there are also Okinawans who wish to be assimilated with the mainland. ==Demography==
Demography
Ryukyuans tend to see themselves as bound together by their home island and, especially among older Ryukyuans, usually consider themselves from Okinawa first and Japan second. The average annual income per resident of Okinawa in 2006 was ¥2.09 million, placing the prefecture at the bottom of the list of 47. there may be some additional unknown genetic influence favoring this extreme phenotype. The Okinawa Centenarian Study (OCS) research team began to work in 1976, making it the world's longest ongoing population-based study of centenarians. ==Culture==
Culture
Language Similarities between the Ryukyuan and Japanese languages point to a common origin, possibly of immigrants from continental Asia to the archipelago. Although previously ideologically considered by Japanese scholars as a Japanese dialect and a descendant of Old Japanese, modern linguists such as Thomas Pellard (2015) now classify the Ryukyuan languages as a distinct subfamily of Japonic that diverged before the Old Japanese period (c. 8th century CE); this places them in contrast to Japonic languages that are direct descendants of Old Japanese, namely Japanese and Hachijō. Early literature which records the language of the Old Japanese imperial court shows archaisms which are closer to Okinawan dialects, while later periods of Japanese exhibit more significant Sinicization (such as Sino-Japanese vocabulary) than most Ryukyuan languages. This can be attributed to the fact that the Japanese (or Yamato people) received writing from the Sinosphere roughly a millennium before the Ryukyuan languages. As the Jōmon-Yayoi transition (c. 1000 BCE) represents the formative period of the contemporary Japanese people from a genetic standpoint, it is argued that the Japonic languages are related to the Yayoi migrants as well. The estimated time of separation between Ryukyuan and mainland Japanese is a matter of debate due to methodological problems; older estimates (1959–2009) varied between 300 BCE and 700 CE, while novel (2009–2011) around 2nd century BCE to 100 CE, which has a lack of correlation with archeology and new chronology according to which Yayoi period started around 950 BCE, or the proposed spread of the Proto-Ryukyuan speakers to the islands in the 10–12th century from Kyushu. Based on linguistic differences, they separated at least before the 7th century, before or around Kofun period (c. 250–538), while mainland Proto-Ryukyuan was in contact with Early Middle Japanese until 13th century. The Ryukyuan languages can be subdivided into two main groups, Northern Ryukyuan languages and Southern Ryukyuan languages. The Southern Ryukyuan subfamily shows north-to-south expansion, while Northern Ryukyuan does not, and several hypothetical scenarios can be proposed to explain this. It is generally considered that the likely homeland of Japonic—and thus the original expansion of Proto-Ryukyuan—was in Kyushu, though an alternate hypothesis proposes an expansion from the Ryukyu Islands to mainland Japan. Although authors differ regarding which varieties are counted as dialects or languages, one possible classification considers there to be five Ryukyuan languages: Amami, Okinawa, Miyako, Yaeyama and Yonaguni, while a sixth, Kunigami, is sometimes differentiated from Okinawan due to its diversity. Within these languages exist dialects of local towns and specific islands, many of which have gone extinct. Although the Shuri dialect of Okinawan was historically a prestige language of the Kingdom of Ryukyu, there is no officially standardized Ryukyuan language. Thus, the Ryukyuan languages as a whole constitute a cluster of local dialects that can be considered unroofed abstand languages. During the Meiji and post-Meiji period, the Ryukyuan languages were considered to be dialects of Japanese and viewed negatively. They were suppressed by the Japanese government in policies of forced assimilation and into using the standard Japanese language. From 1907, children were prohibited to speak Ryukyuan languages in school, and since the mid-1930s there existed dialect cards, a system of punishment for the students who spoke in a non-standard language. Speaking a Ryukyuan language was deemed an unpatriotic act; by 1939, Ryukyuan speakers were denied service and employment in government offices, while by the Battle of Okinawa in 1945, the Japanese military was commanded to consider Ryukyuan speakers as spies to be punished by death, with many reports that such actions were carried out. After World War II, during the United States occupation, the Ryukyuan languages and identity were distinctively promoted, also because of ideo-political reasons to separate the Ryukyus from Japan. However, resentment against the American occupation intensified Ryukyuans' rapport and unification with Japan, and since 1972 there has followed re-incursion of the standard Japanese and further diminution of the Ryukyuan languages. It was considered that contemporary people older than 85 exclusively use Ryukyuan, between 45 and 85 use Ryukyuan and standard Japanese depending on family or working environment, younger than 45 are able to understand Ryukyuan, while younger than 30 mainly are not able to understand nor speak Ryukyuan languages. Only older people speak Ryukyuan languages, because Japanese replaced it as the daily language in nearly every context. Some younger people speak Okinawan Japanese which is a type of Japanese. It is not a dialect of the Okinawan language. The six Ryukyuan languages are listed on the UNESCO's Atlas of the World's Languages in Danger since 2009, as they could disappear by the mid-century (2050). It is unclear whether this recognition was too late, despite some positive influence by the Society of Spreading Okinawan. Religion ) is the traditional Ryukyuan family tomb.Indigenous Ryukyuan religion places strong emphasis upon the role of the women in the community, with women holding positions as shamans and guardians of the home and hearth. The status of women in traditional society is higher than in China and Japan. Although the contemporary kinship system is patrilineal and patrilocal, until the 20th century it was often bilateral and matrilocal, with common village endogamy. Shisa statues can often be seen on or in front of houses—this relates to the ancient Ryukyuan belief that the male spirit is the spirit of the outside and the female spirit is the spirit of the inside. Godhood is mimicked with many attributes, and its in ease without any underlying symbolic order. The village priestesses, Noro, until the 20th century used the white cloth and magatama beads. The noro's duty was to preserve the generational fire in the hearth, a communal treasure, resulting with tabu system about the fire custodian in which they had to be virgins to maintain close communication with the ancestors. The office became hereditary, usually of the noro's brother's female child. The center of worship was represented by three heartstones within or near the house. The belief in the spiritual predominance of the sister was more prominent in Southern Ryukyus. The introduction of Buddhism is ascribed to a 13th-century priest from Japan (mostly funeral rites), while the 14th century trade relations resulted with Korean Buddhism influences (including some in architecture), as well Shinto practices from Japan. Buddhism and indigenous religion were ideological basis until 18th century, when Confucianism gradually and officially became government ideology during Shō On (1795–1802), much to the dismay of Kumemura. It was mostly important to the upper-class families. Among the Catholic converts was not lost the former religious consciousness. Until the 18th century, the Ryukyuan kings visited the Sefa-utaki (historical sacred place) caves for worship. Another traditional sacred places are springs Ukinju-Hain-ju, where was placed the first rice plantation, and small island Kudaka, where the "five fruits and grains" were introduced by divine people, perhaps strangers with agricultural techniques. The foremost account, which claimed common origin between the Japanese and Ryukyuans, was made-up by Shō Shōken in the 17th century, to end up the pilgrimage of the Ryukyu king and chief priestess to the Kudaka island. The Eight Shrines of Ryūkyū were a group of shrines that received special status and support from the Ryukyu Kingdom's royal government. These shrines played a significant role in the religious and political life of the kingdom, as King Shō Toku worshiped Hachiman (Emperor Ōjin). Asato Hachiman Shrine is dedicated to Hachiman, while the seven others are Kumano shrines. During the Meiji period, the government replaced Buddhism with Shintoism as the islands' state religion. The government subsequently ordered the rearrangement of statues and the redesign of shrines and temples to incorporate indigenous deities into the national Shinto pantheon. It also placed Shinto worship before indigenous, Buddhist, and Christian practices and transformed local divinities into guardian gods. In the 1920s, the government ordered the building of Shinto shrines and the remodelling of existing shrines with Shinto architectural symbols, paid by local tax revenue, which was a financial burden due to the collapse of sugar prices in 1921 which devastated Okinawa's economy. In 1932, Shinto clergy were brought over from the mainland and housed in Okinawa. Most Ryukyuans of the younger generations are not serious adherents of the indigenous religion anymore. Additionally, since being under Japanese control, Shinto and Buddhism are also practiced and typically mixed with local beliefs and practices. Cuisine Okinawan food is rich in vitamins and minerals and has a good balance of protein, fats, and carbohydrates. Although rice is a staple food (taco rice mixes it with beef), pork (mimigā and chiragā, dishes Rafute and Soki), seaweed, rich miso (fermented soybean) pastes and soups (Jūshī), sweet potato and brown sugar all feature prominently in traditional cuisine. Most famous to tourists is the Momordica charantia, gōya (bitter melon), which is often mixed into a representative Okinawan stir fry dish known as champurū (Goya champuru). Kōrēgusu is a common hot sauce condiment used in various dishes including noodle soup Okinawa soba. Some specifically consumed algae include Caulerpa lentillifera. Traditional sweets include chinsuko, hirayachi, sata andagi, and muchi. Local beverages include juice from Citrus depressa, turmeric tea (ukoncha), and the alcoholic beverage awamori. The weight-loss Okinawa diet derives from their cuisine and has only 30% of the sugar and 15% of the grains of the average Japanese dietary intake. Arts The techniques of self-defense and using farm tools as weapons against armed opponents—called karate by today's martial artists—were created by Ryukyuans who probably incorporated some and techniques from China into a complete system of attack and defense known simply as (literally meaning "hand"). These martial arts varied slightly from town to town, and were named for their towns of origin, examples being Naha-te (currently known as Goju-Ryū), Tomari-te and Shuri-te. The Kabura-ya (Japanese signal arrow) still has a ceremonial use for house, village or festival celebration in Okinawa. It is considered that the rhythms and patterns of dances, like Eisa and Angama, represent legends and prehistoric heritage. Ryūka genre of songs and poetry originate from the Okinawa Islands. From the Chinese traditional instrument in the 16th century developed the Okinawan instrument from which the and the Japanese derive. Women frequently wore indigo tattoos known as hajichi on the backs of their hands, a sign of adulthood and talisman to protect them from evil. These tattoos were banned in 1899 by the Meiji government. In remote districts their katakashira off-center topknot, similar to that of the Yami and some Filipino ethnic groups, among men and women also disappeared in the early 20th century. The bashôfu, literally meaning "banana-fibre cloth", is designated as a part of Ryukyu and Japan "important intangible cultural properties". The weaving using indigenous ramie was also widespread in the archipelago, both originated before the 14th century. Originally living in thatching houses, townsmen developed architecture modeled after Japanese, Chinese and Korean structures. Other dwellings suggest a tropical origin, and some villages have high stone walls, with similar structural counterpart in Yami people at Orchid Island. For the categories of Cultural Properties, see the following lists: archaeological materials, historical materials, crafts, paintings, sculptures, writings, intangible, and tangible. ==Notable Ryukyuans==
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