Songbun allegedly affects access to educational and employment opportunities and particularly whether a person is eligible to join North Korea's ruling party. There are 3 main classifications and about 50 sub-classifications. According to Kim Il-sung, speaking in 1958, the loyal "core class" constituted 25% of the North Korean population, the "wavering class" 55%, and the "hostile class" 20%. The highest status is accorded to individuals descended from those who participated with Kim Il-sung in the resistance against Japanese occupation before and during World War II and to those who were factory workers, laborers, or peasants in 1950.