First/second/third world terminology refers to whether or not a country was allied with the US during the Cold War. First world = allied; second world = opposed; third world = neutral
It literally has nothing to do with how “developed” a country is
These terms are outdated and we need to stop using them
Key animation art from the opening of Puella Magi Madoka Magica The Movie (劇場版 魔法少女まどか☆マギカ), illustrated by key animators Toshiyuki Sato (佐藤利幸) and Genki Matsumoto (松本元気). The illustrations were featured alongside an interview with the films’ chief director Akiyuki Shinbo (新房昭之) in AnimeStyle Magazine (Amazon US | JP).