dependent upon vs dependent on

dependent upon and dependent on both are adjectives.

Word	Noun	Adjective	Verb	Adverb
dependent upon	No	Yes	No	No
dependent on	No	Yes	No	No

As adjectives, dependent upon and dependent on are synonyms defined as:

dependent upon and dependent on: being determined by conditions or circumstances that follow

Other synonyms of dependent upon include contingent, contingent on, contingent upon, dependant on, dependant upon, depending on.

dependent upon (adjective)	dependent on (adjective)
being determined by conditions or circumstances that follow	being determined by conditions or circumstances that follow