Complex sentence: With 73.8 million members in 2005, it is the predominant religion, making the Philippines the third largest "Catholic" nation in the world after Brazil and Mexico, as well as one of the two predominantly Catholic countries in Asia, the other being East Timor.
Split into simpler sentences: With 73.8 million members in 2005, it is the predominant religion, making the Philippines the third largest Catholic state in the world after Brazil and Mexico. It is also one of the two predominantly Catholic countries in Asia, the other being East Timor.