SEOUL - The number of foreign nationals residing in South Korea approached 1.7 million as of May last year, government data showed Tuesday.The total number came to 1.69 million as of last May, up 8.4 percent from a year earlier, according to data released by the Ministry of Data and Statistics. The figure refers to foreigners aged 15 and older who have resided in the country for more than 91 days.By category, overseas Koreans with foreign nationalities accounted for the largest share, at 24.2 percent, followed by non-professional employment visa holders, at 19 percent, the data showed. Inte…READ FULL ARTICLE