據韓(han)國(guo)(guo)(guo)統(tong)計(ji)(ji)廳(ting)發布(bu)統(tong)計(ji)(ji)數據顯示(shi),截(jie)至(zhi)2021年(nian)(nian)(nian)末,韓(han)國(guo)(guo)(guo)總(zong)人(ren)(ren)(ren)口(kou)(kou)(kou)5175萬(wan)人(ren)(ren)(ren)(含在(zai)(zai)韓(han)居住(zhu)外國(guo)(guo)(guo)人(ren)(ren)(ren)),將較(jiao)2020年(nian)(nian)(nian)的5184萬(wan)人(ren)(ren)(ren)減少(shao)9萬(wan)人(ren)(ren)(ren)。也(ye)意味著,韓(han)國(guo)(guo)(guo)人(ren)(ren)(ren)口(kou)(kou)(kou)在(zai)(zai)2020年(nian)(nian)(nian)達到頂峰(feng)后(hou),2021年(nian)(nian)(nian)起,韓(han)國(guo)(guo)(guo)出現總(zong)人(ren)(ren)(ren)口(kou)(kou)(kou)的負增長。據韓(han)國(guo)(guo)(guo)統(tong)計(ji)(ji)廳(ting)估計(ji)(ji),今后(hou)10年(nian)(nian)(nian),韓(han)國(guo)(guo)(guo)人(ren)(ren)(ren)口(kou)(kou)(kou)將年(nian)(nian)(nian)均減少(shao)6萬(wan)左右(you),預(yu)計(ji)(ji)2030年(nian)(nian)(nian),韓(han)國(guo)(guo)(guo)人(ren)(ren)(ren)口(kou)(kou)(kou)將達5120萬(wan)人(ren)(ren)(ren),2040年(nian)(nian)(nian)降(jiang)至(zhi)5019萬(wan)人(ren)(ren)(ren),之后(hou)降(jiang)速加(jia)快。而據聯合國(guo)(guo)(guo)最(zui)新數據,截(jie)至(zhi)2022年(nian)(nian)(nian)5月,韓(han)國(guo)(guo)(guo)總(zong)人(ren)(ren)(ren)口(kou)(kou)(kou)為(wei) 25977543人(ren)(ren)(ren)(不含居住(zhu)在(zai)(zai)國(guo)(guo)(guo)外的韓(han)國(guo)(guo)(guo)人(ren)(ren)(ren),為(wei)概算(suan)值),在(zai)(zai)世(shi)界235個國(guo)(guo)(guo)家/地區中排(pai)名第54,在(zai)(zai)亞(ya)洲排(pai)名第21位。