後こう発はつ発はっ展てん途と上じょう国こくこうはつはってんとじょうこくMeanings1nounleast developed countries; LDCOfficial term used in international development contexts, referring to countries with the lowest socioeconomic indicators.後こう発はつ発はっ展てん途と上じょう国こくへの支し援えんが国こく際さい会かい議