In 2024, around ** people in South Korea were registered as having an intellectual disorder. This is the highest number recorded since 1989. There has been a steady increase in the number of cases registered since 1989, with cases rising by over *** percent since then.
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KOSIS. (April 18, 2025). Number of persons with intellectual disorders in South Korea from 1989 to 2024 (in 1,000s) [Graph]. In ÌÇÐÄÆÆ½â°æ. Retrieved August 04, 2026, from /statistics/1250255/south-korea-number-of-registered-cases-of-intellectual-disorders/
KOSIS. "Number of persons with intellectual disorders in South Korea from 1989 to 2024 (in 1,000s)." Chart. April 18, 2025. ÌÇÐÄÆÆ½â°æ. Accessed August 04, 2026. /statistics/1250255/south-korea-number-of-registered-cases-of-intellectual-disorders/
KOSIS. (2025). Number of persons with intellectual disorders in South Korea from 1989 to 2024 (in 1,000s). ÌÇÐÄÆÆ½â°æ. ÌÇÐÄÆÆ½â°æ Inc.. Accessed: August 04, 2026. /statistics/1250255/south-korea-number-of-registered-cases-of-intellectual-disorders/
KOSIS. "Number of Persons with Intellectual Disorders in South Korea from 1989 to 2024 (in 1,000s)." ÌÇÐÄÆÆ½â°æ, ÌÇÐÄÆÆ½â°æ Inc., 18 Apr 2025, /statistics/1250255/south-korea-number-of-registered-cases-of-intellectual-disorders/
KOSIS, Number of persons with intellectual disorders in South Korea from 1989 to 2024 (in 1,000s) ÌÇÐÄÆÆ½â°æ, /statistics/1250255/south-korea-number-of-registered-cases-of-intellectual-disorders/ (last visited August 04, 2026)
Number of persons with intellectual disorders in South Korea from 1989 to 2024 (in 1,000s) [Graph], KOSIS, April 18, 2025. [Online]. Available: /statistics/1250255/south-korea-number-of-registered-cases-of-intellectual-disorders/