underdeveloped country; developing country
Dated and potentially sensitive term; modern usage prefers 開発途上国 (developing country). Still encountered in older texts or historical contexts.
See also: 開発途上国
この報告書では、低開発国という表現が使われている。
This report uses the term 'underdeveloped country'.
Aid to underdeveloped countries was once a major issue in international cooperation.