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A resident registration number (Korean: 주민등록번호 ''Jumin Deungrok Beonho'', Hanja: 住民登錄番號) is a 13-digit number issued to all residents of the Republic of Korea. Similar to national identification numbers in other countries, it is used to identify people in various private transactions such as in banking and employment. It is also used extensively for online identification purposes. The original usage of this number was the attempt to discover North Korean spies in the aftermath of the Blue House Raid on January 21, 1968. All Koreans who have the number registered their fingerprint to the South Korean government (which is printed on the backside of every RRN card). Upon registration with the city office, foreigners (except those affiliated with the U.S. military) receive an alien registration number, which serves as a substitute, on their alien registration card. ==Components== The resident registration number consists of 13 digits, with each block serving a certain function, as illustrated below: :yymmdd-sbbbbnc The first six digits signify the person's date of birth; for example, a person born on September 1, 1946, such as former President Roh Moo-Hyun, would have 460901 as the first six digits of his RRN. ''s'', the seventh digit, indicates the sex and the century in which the person was born: * 1 – male Korean citizens (born 1900–1999) * 2 – female Korean citizens (born 1900–1999) * 3 – male Korean citizens (born 2000–2099) * 4 – female Korean citizens (born 2000–2099) * 5 – male foreign citizens residing in Korea (born 1900–1999) * 6 – female foreign citizens residing in Korea (born 1900–1999) * 7 – male foreign citizens residing in Korea (born 2000–2099) * 8 – female foreign citizens residing in Korea (born 2000–2099) ''bbbb'', the eighth through eleventh digits, signifies place of birth: * ''n'', the 12th digit, is a sequential number used to differentiate those of the same sex born on the same day in the same location. * ''c'', the 13th digit, is a check digit, used to verify that the number has been transcribed correctly. It is generated from the rest of the digits using the following algorithm (digits lettered ''a'' through ''m'' in order): : 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Resident registration number」の詳細全文を読む スポンサード リンク
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