世せ界かい有ゆう数すう

noun, noun which may take the genitive case particle 'no'

world-leading; among the world's best

Used to describe something that ranks among the top in the world, often in a specific field or category.

• 日本にほんは世せ界かい有ゆう数すうの長ちょう寿じゅ国こくだ。

  Japan is one of the world's leading countries in longevity.

• この大だい学がくは世せ界かい有ゆう数すうの研けん究きゅう機き関かんとして知しられている。

  This university is known as a world-leading research institution.