dünyadaki
Dünyadaki is a Turkish grammatical form that functions as an adjective or determiner meaning “in the world,” “in the world’s,” or “worldwide” depending on context. It is used to limit or specify a noun by location relative to the world. The form is built from dünya, the word for world, plus the locative suffix -da and the suffix -ki, yielding dünyadaki.
Morphologically, -da marks a location (in/at/on), and -ki adds a sense of a definite, relative reference to
Common usage patterns include phrases such as dünyadaki ülkeler (the countries in the world), dünyadaki yaşam
Capitalization follows Turkish orthography: düyndefkadaki is normally written in lowercase unless it appears at the beginning
In sum, dünyadaki is a productive Turkish locative-relative construction that helps express location, scope, or comparison