Enmity toward North Korean defectors is growing in South Korea, a new survey shows, with nearly one in four respondents saying they feel negative about accepting North Koreans into society and nearly 70% saying they don’t want their children to marry a defector.

The responses come from the recently released “Korea Social Integration Survey,” an annual poll by the Korea Institute of Public Administration (KIPA) to gauge public perceptions of minorities. 

The institute’s latest survey of 8,000 South Koreans last fall showed negative sentiments about North Koreans have nearly doubled since 2016. That year, 12.1% of respondents reported negative feelings