If you talk about ~ countries or the ~ world, you mean the countries or the parts of the world that are wealthy and have many industries.
This scarcity is inevitable in less ~ countries.
ADJ
If you talk about ~ countries or the ~ world, you mean the countries or the parts of the world that are wealthy and have many industries.
This scarcity is inevitable in less ~ countries.
ADJ
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012