Complex sentence: The album is one of the best-selling albums worldwide at 37 million units, and with a 23-times platinum certification by the Recording Industry Association of America, it is the fourth-best-selling album in the United States.
Split into simpler sentences: The album is one of the best-selling albums of all time with more than 37 million copies having been sold and a 23x platinum certification by the Recording Industry Association of America (RIAA). It is the fourth-best-selling album in the United States.