In 2021, less than ** percent of the South Korean adult population aged 25 to 64 years old had completed an education below an upper secondary level. This may range from primary to lower secondary education. The share of the adult population who had not gone on to complete upper secondary education decreased by nearly ** percentage points since 1995. In the same time period, there was a significant increase in adults who did go on to complete tertiary education.
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OECD. (August 11, 2023). Share of adult population aged 25 to 64 years old whose completed education level is below upper secondary in South Korea from 1995 to 2021 [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 27, 2026, from /statistics/1405256/south-korea-under-upper-secondary-education-level-share-adult-population/
OECD. "Share of adult population aged 25 to 64 years old whose completed education level is below upper secondary in South Korea from 1995 to 2021." Chart. August 11, 2023. ÌÇÐÄÆƽâ°æ. Accessed July 27, 2026. /statistics/1405256/south-korea-under-upper-secondary-education-level-share-adult-population/
OECD. (2023). Share of adult population aged 25 to 64 years old whose completed education level is below upper secondary in South Korea from 1995 to 2021. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 27, 2026. /statistics/1405256/south-korea-under-upper-secondary-education-level-share-adult-population/
OECD. "Share of Adult Population Aged 25 to 64 Years Old Whose Completed Education Level Is below Upper Secondary in South Korea from 1995 to 2021." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 11 Aug 2023, /statistics/1405256/south-korea-under-upper-secondary-education-level-share-adult-population/
OECD, Share of adult population aged 25 to 64 years old whose completed education level is below upper secondary in South Korea from 1995 to 2021 ÌÇÐÄÆƽâ°æ, /statistics/1405256/south-korea-under-upper-secondary-education-level-share-adult-population/ (last visited July 27, 2026)
Share of adult population aged 25 to 64 years old whose completed education level is below upper secondary in South Korea from 1995 to 2021 [Graph], OECD, August 11, 2023. [Online]. Available: /statistics/1405256/south-korea-under-upper-secondary-education-level-share-adult-population/
