 However, the reform and opening up of the People's Republic of China (PRC) and the normalisation of People's Republic of China – South Korea relations has resulted in a new wave of Chinese migration to South Korea.In 2009, more than half of the South Korea's 1.1 million foreign residents were PRC citizens; 71% of those are "Joseonjok", PRC citizens of Korean ethnicity.There is also a small community of PRC citizens in North Korea.