The serious issue of literacy among the elderly

I heard that students' literacy has dropped significantly as well,
but it is even more serious among the elderly.


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Why does Korean literacy decline as people get older? - CareyU News
CareyU News
Reporting from Sejong. According to an analysis released by the Organisation for Economic Co-operation and Development (OECD), the ability of Korean adults to read and understand the meaning of text—namely, literacy—declines as they get older.

OECD Analysis: Literacy of Korean adults drops sharply with age
Kookmin Reporter News
According to an analysis by the OECD (Organisation for Economic Co-operation and Development), it has been found that the literacy of Korean adults drops sharply as they age. The Korea Research Institute for Vocational Education and Training (President Ko Hye-won) released the 'KRIVET Iss