The percentage of foreign nationals has been growing rapidly. , South Korea had 1,413,758 foreign residents, 2.75% of the population; however, many of them are ethnic Koreans with a foreign citizenship. For example, migrants from China (PRC) make up 56.5% of foreign nationals, but approximately 70% of the Chinese citizens in Korea are  (), PRC citizens of Korean ethnicity. Regardless of the ethnicity, there are 28,500 US military personnel serving in South Korea, most serving a one-year unaccompanied tour (though approximately 10% serve longer tours accompanied by family), according to the Korea National Statistical Office. In addition, about 43,000 English teachers from English-speaking countries reside temporarily in Korea. Currently, South Korea has one of the highest rates of growth of foreign born population, with about 30,000 foreign born residents obtaining South Korean citizenship every year since 2010.