Looking on the internet deeply has found these results:

it depends on is the most popular phrase on the web.

it depends upon 1135,000 results on the web	it depends on 168,600,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
related emails, it depends upon what the meaning of the word "all" is → http://t.co/9P6JbSsQWm. Jun 17, 2015 ... When it comes to Hillary Clinton's #Benghazi Well, it depends upon the situation and on my mood. Sometimes, I just do anything that comes on my mind and the things that could ease my boredom... Interest ... Jan 11, 2005 ... ... in order for something to occur, another thing must happen first. ex."I can go to the movie, but it depends upon whether my parents will let me. Synonyms for depends upon at Thesaurus.com with free online thesaurus, antonyms, and definitions. Dictionary and Word of the Day.	it depends on us. Could this ever happen? The rest of it depends on you. Then it depends on which side you're on. I suppose it depends on what you find funny. Maybe it depends on the fragility of our minds. I guess it depends on what you need to remember. Yes, but it depends on the quality.

it depends upon

1135,000 results on the web

it depends on

168,600,000 results on the web

More popular!

related emails, it depends upon what the meaning of the word "all" is → http://t.co/9P6JbSsQWm.
Jun 17, 2015 ... When it comes to Hillary Clinton's #Benghazi
Well, it depends upon the situation and on my mood. Sometimes, I just do anything that comes on my mind and the things that could ease my boredom... Interest ...
Jan 11, 2005 ... ... in order for something to occur, another thing must happen first. ex."I can go to the movie, but it depends upon whether my parents will let me.
Synonyms for depends upon at Thesaurus.com with free online thesaurus, antonyms, and definitions. Dictionary and Word of the Day.