Real Madrid or FC Barcelona

Hello!!! I want to know differents points of view about this two great spanish teams.

Here in Spain, Real Madrid is the most popular team, but I know that FC Barcelona has a lot of followers aronud the world. actually, I think that FC Barcelona is more popular than Real Madrid. In fact, the last years, fc barcelona has won most of the championships played.

Wich is your favorite spanish football team?  :)