Real Madrid is estimated to be the world's most valuable soccer club for the third straight year despite a five percent decrease to $3.26 billion, according to Forbes.

Barcelona is second at $3.16 billion, a 1 percent drop, followed by Manchester United at $3.1 billion, a 10 percent rise. Bayern Munich is fourth at $2.35 billion after a 27 percent increase.

Manchester City ($1.38 billion) is fifth, followed by Chelsea ($1.37 billion), Arsenal ($1.31 billion), Liverpool ($982 million), Juventus ($837 million) and AC Milan ($775 million).

Forbes estimates revenue for 2013-14 was $746 million for Real Madrid, $657 million for Barcelona, $703 million for United and $661 million for Bayern Munich.