Hanja (Korean: 한자; Hanja: 漢字, Korean pronunciation: [ha(ː)nt͈ɕa]), alternatively known as Hancha, is the Korean name for a traditional writing system which consists of Chinese characters (Chinese: 漢字; pinyin: hànzì)[1] that has been incorporated and used as early as the Gojoseon period, the first ever Korean kingdom. More specifically, it refers to the Chinese characters incorporated into the Korean language with Korean pronunciation.

Script type
Time period
4th century BCE – present
LanguagesKorean, Classical Chinese
Related scripts
Parent systems
Sister systems
Kanji, Traditional Chinese, Simplified Chinese, Khitan script, Chữ Hán, Chữ Nôm, Jurchen script, Tangut script
ISO 15924
ISO 15924Hani (500), Han (Hanzi, Kanji, Hanja)
Unicode alias
 This article contains phonetic transcriptions in the International Phonetic Alphabet (IPA). For an introductory guide on IPA symbols, see Help:IPA. For the distinction between [ ], / / and  , see IPA § Brackets and transcription delimiters.
Korean name
Revised RomanizationHanja

Hanja-eo (한자어, 漢字) refers to words of Chinese origin that can be written with Hanja, and hanmun (한문, 漢文) refers to Classical Chinese writing, although "Hanja" is also sometimes used to encompass both concepts. Because Hanja never underwent any major reforms, they are similar to kyūjitai and traditional Chinese characters, although the stroke orders for some characters are slightly different. For example, the characters and as well as and .[2] Only a small number of Hanja characters were modified or are unique to Korean, with the rest corresponding to the traditional Chinese characters. By contrast, many of the Chinese characters currently in use in mainland China and Singapore have been simplified, and contain fewer strokes than the corresponding Hanja characters. In Japan, simplified forms of Chinese characters known as shinjitai were also enacted, but are not as extensive. During the 1970s, Singapore had also briefly enacted its own simplification campaign, but eventually adopted the standard simplification of mainland China to avoid confusion.

Although a phonetic Hangul, also known as Chosŏn'gŭl in North Korea, had been created by Sejong the Great in 1446 through the promulgation of the Hunminjeongeum, it did not come into widespread official use until the late 19th and early 20th century.[3][4] Thus, until that time it was necessary to be fluent in reading and writing Hanja to be literate in Korean, as Korean documents, history, literature and records throughout its history until the contemporary period were written primarily in Literary Chinese using Hanja as its primary script. Therefore, a good working knowledge of Chinese characters is still important for anyone who wishes to interpret and study older texts from Korea, or anyone who wishes to read scholarly texts in the humanities. A high proficiency in Hanja is also useful for understanding the etymology of Sino-Korean words as well as to enlarge one's Korean vocabulary.[5]

Hanja were once used to write native Korean words, in a variety of systems collectively known as idu, but by the 20th century Koreans used hanja only for writing words of Chinese origin (Hanja-eo), while writing native vocabulary and loanwords from other languages in Hangul. By the 21st century, even Hanja-eo are written in the Hangul alphabet most of the time, with the corresponding Chinese character sometimes written next to it to prevent confusion if there are other characters or words with the same Hangul spelling. According to the Standard Korean Language Dictionary published by the National Institute of Korean Language (NIKL), out of the approximately 510,000 words in the Korean Language, 370,000 words (71%) were Hanja-eo.[6]

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