the number of children in korea has almost halved over the past decades from million children in the to million in over the same period the youth dependency ratio the number of children and young people aged per one hundred people of working age aged fell dramatically from to oecd i the growing income in korea can be shared among a smaller number of children which helps to explain why the child poverty rate in korea is below the oecd average figure and poor children today live in smaller families than only a few years ago yeo