Revised Romanization of Korean

Revised Romanization of Korean (국어의 로마자 표기법; lit. 'Roman-letter notation of the national language') is the official Korean language romanization system in South Korea. It was developed by the National Academy of the Korean Language from 1995 and was released to the public on 7 July 2000 by South Korea's Ministry of Culture, Sports and Tourism in Proclamation No. 2000-8.

The new system addressed problems in the implementation of the McCune–Reischauer system, such as the phenomena where different consonants and vowels became indistinguishable in the absence of special symbols. To be specific, under the McCune–Reischauer system, the consonants ㄱ (k), ㄷ (t), ㅂ (p) and ㅈ (ch) and ㅋ (k'), ㅌ (t'), ㅍ (p') and ㅊ (ch') became indistinguishable when the apostrophe was removed. In addition, the vowels ㅓ (ŏ) and ㅗ (o), as well as ㅡ (ŭ) and ㅜ (u), became indistinguishable when the breve was removed. Especially in early internet use, where omission of apostrophes and breves is common, this caused confusion.