The most popular soccer clubs in the world

Find out why these clubs have the biggest followings across the globe.

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Cristiano Ronaldo (L) and Lionel Messi (R) have dominated European soccer for the past decade. Cristiano Ronaldo (L) and Lionel Messi (R) have dominated European soccer for the past decade. (Photo: GERARD JULIEN/AFP/Getty Images)

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Spain: Real Madrid and Barcelona

Real Madrid and Barcelona are inseparable when it comes to Spanish soccer and its global popularity. It's not simply a matter of success – of which they've experienced much over the years – but because they feature the two most dominant and decorated players of their era in Cristiano Ronaldo and Lionel Messi.

As two of the richest clubs in the world, that type of talent will continue to come through their front doors, keeping them at the top of everyone's "favorites" list.

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