international vs worldwide

international and worldwide both are adjectives.

Word	Noun	Adjective	Verb	Adverb
international	No	Yes	No	No
worldwide	No	Yes	No	No

international (adjective)	worldwide (adjective)
concerning or belonging to all or at least two or more nations	of worldwide scope or applicability
from or between other countries	spanning or extending throughout the entire world
	involving the entire earth; not limited or provincial in scope