South Korea belongs to 1 of the 3 states where the largest number of U.S. troops is stationed. The quota in Japan is around 54 000, in the national Republic of Germany about 49 000, in South Korea this number ranges from 28.5 to 29 000. Japan and Korea alone account for 44% of American armed forces stationed outside the United States. A bordering straight with North Korea, the Republic of Korea exists in a state of permanent national safety threat.