Among these are 630,000 temporary laborers , as well as 100,000 foreigners married to South Korean nationals .
The number of foreigners in South Korea grew from 390,000 in 1997 to 1 million in 2007 .
Among these are 630,000 temporary laborers , as well as 100,000 foreigners married to South Korea   nationals .
The number of foreigners in South Korea grew from 390,000 in 1997 to 1 million in 2007 .