The following excerpt is from an article posted August 4, 2016 at the koreaherald.com website.
The number of Korean adoptees who requested to see their birth records increased dramatically from 2012-15, since the revision of the adoption law here, but a lack of digitization is slowing access to the information.
Only 35 percent of the some 230,000 relevant documents have been digitized and archived by the government.
According to the Ministry of Health and Welfare, the number of adoptees who asked to see their birth records increased from 258 in 2012 to 1,324 last year.
…
Many adoption papers have false information, such as false names — both the names of the child and their birth parents — and incorrect birthdates, which make it difficult for many adoptees to reunite with their birth families.