global vs world-wide

global and world-wide both are adjectives.

Word	Noun	Adjective	Verb	Adverb
global	No	Yes	No	No
world-wide	No	Yes	No	No

As adjectives, global and world-wide are synonyms defined as:

global and world-wide: involving the entire earth; not limited or provincial in scope

Other synonyms of global include planetary, world, worldwide.

global (adjective)	world-wide (adjective)
involving the entire earth; not limited or provincial in scope	of worldwide scope or applicability
having the shape of a sphere or ball	spanning or extending throughout the entire world
	involving the entire earth; not limited or provincial in scope