5) France (43 %)

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It appears that it is something of a tradition for French Presidents to have affairs. Considering the fact that France is the only nation on our planet to have rated the movie Fifty Shades of Grey at 12, it was bound to make the cut. “In the parlance of French films, cheating merely signifies that you’re the protagonist,” notes Pamela Druckerman in her book ‘Lust in Translation.’