Theme: Korea Plan

List of heads of state (since 1897)

Korean Empire (1897 ~ 1910)
Emperor	Gojong	12 October 1897 ~ 20 July 1907
Emperor	Sunjong	20 July 1907 ~ 29 August 1910
Republic of Korea (1948 ~)
President	Syngman Rhee	24 July 1948 ~ 26 April 1960
President	Yun Posun	13 August 1960 ~ 23 March 1962
President	Park Chung-hee	17 December 1963 ~ 26 October 1979
President	Choi Kyu-hah	6 December 1979 ~ 16 August 1980
President	Chun Doo-hwan	1 September 1980 ~ 24 February 1988
President	Roh Tae-woo	25 February 1988 ~ 24 February 1993
President	Kim Young-sam	25 February 1993 ~ 24 February 1998
President	Kim Dae-jung	25 February 1998 ~ 24 February 2003
President	Roh Moo-hyun	25 February 2003 ~ 24 February 2008
President	Lee Myung-bak	25 February 2008 ~ 24 February 2013
President	Park Geun-hye	25 February 2013 ~ 10 March 2017
President	Moon Jae-in	10 May 2017 ~

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  The name "Korea" is written as it started from 1897.
  

Demographics
Main articles: Koreans, Demographics of South Korea, and Demographics of North Korea
The combined population of the Koreas is about 76 million (North Korea: 25 million, South Korea: 51 million). Korea is chiefly populated by a highly homogeneous ethnic group, the Koreans, who speak the Korean language.^[168] The number of foreigners living in Korea has also steadily increased since the late 20th century, particularly in South Korea, where more than 1 million foreigners reside.^[169] It was estimated in 2006 that only 26,700 of the old Chinese community now remain in South Korea.^[170] However, in recent years, immigration from mainland China has increased; 624,994 persons of Chinese nationality have immigrated to South Korea, including 443,566 of ethnic Korean descent.^[171] Small communities of ethnic Chinese and Japanese are also found in North Korea.^[172]
Language
Main articles: Korean language and Korean Sign Language

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Hunminjeongeum, afterwards called Hangul.
Korean is the official language of both North and South Korea, and (along with Mandarin) of Yanbian Korean Autonomous Prefecture in the Manchuria area of China. Worldwide, there are up to 80 million speakers of the Korean language. South Korea has around 50 million speakers while North Korea around 25 million. Other large groups of Korean speakers through Korean diaspora are found in China, the United States, Japan, former Soviet Union and elsewhere.
The classification of Korean is debated. Some linguists place it in the Altaic language family; others consider it to be a language isolate. Korean is agglutinative in its morphology and SOV in its syntax. Like Japanese and Vietnamese, Korean has borrowed much vocabulary from the Chinese or created vocabulary on Chinese models.
Modern Korean is written almost exclusively in the script of the Korean alphabet (known as Hangul in South Korea and Chosungul in China and North Korea), which was invented in the 15th century. Korean is sometimes written with the addition of some Chinese characters called Hanja; however, this is only occasionally seen nowadays. While Hangul may appear logographic, it is actually a phonemic alphabet organised into syllabic blocks. Each block consists of at least two of the 24 hangul letters (jamo): at least one each of the 14 consonants and 10 vowels. Historically, the alphabet had several additional letters (see obsolete jamo). For a phonological description of the letters, see Korean phonology.