The number of foreigners living in Seoul who have registered with the Ministry of Justice stands at 268,000, as of 2015 (Q1), which is 5.4 times more than the 50,000 foreigners at the end of 2000. As of 2014, the total number of foreigners, including naturalized Korean citizens, is 415,000, according to the Ministry of Government Administration and Home Affairs.
Chinese and ethnic Koreans from China account for 72.3 percent of all foreigners, followed by Americans at 3.5 percent, Taiwanese at 3.3 percent, and Japanese at 3.1 percent.
The proportion of Korean Chinese (such as ethnic Koreans) has decreased by 6.5 percentage points, dropping from 60.1 percent in 2006 to 53.6 percent in 2015. On the other hand, the proportion of Chinese (including Han Chinese) has increased by 10.6 percentage points, rising from 8.1 percent in 2006 to 18.7 percent in 2015.
The number of foreign nationals from OECD countries (22 out of 34 countries) was recorded at 29,000, accounting for 10.7 percent of all foreigners and showing a drop of 9.0 percentage points from 19.7 percent in 2004.
As for the number of foreign residents by district, the proportion of Chinese (including ethnic Koreans) is the highest in Yeongdeungpo-gu, while most Americans and Japanese are in Yongsan-gu, and Taiwanese in Seodaemun-gu.
By neighborhood, most Korean Chinese reside in Daerim 2-dong and Guro 2-dong; Chinese in Hwayang-dong and Hyehwa-dong; Americans in Hangangno-dong and Yongsan 2ga-dong; Taiwanese in Yeonhui-dong and Yeonnam-dong; and Japanese in Ichon 1-dong and Hangangno-dong.
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