先進国

developed country

s ẽ̞ ɰ̃ ɕ ĩ ŋ k o̞ k ɯ̟
ahead, the future + advance; progress + country, nation
noun Rare #38,690
developed country
JA: 日本は先進国の一つです。
EN: Japan is one of the developed countries.

先進国発展途上国もっと援助すべきだ

Developed countries should provide more aid to developing countries.

先進国には待て

In developed countries... wait.

— タクシー運転手 約束は海を越えて (2017)

先進国発展途上国援助しなければならない

Developed countries must aid developing countries.