 The band have sold over 200 million albums worldwide according to some sources , while others state that they have sold in excess of 300 million records , including 111 @.@ 5 million certified units in the United States . According to the Recording Industry Association of America , Led Zeppelin are the second @-@ highest @-@ selling band , the fourth highest selling music act in the US , and one of only three acts to earn four or more Diamond albums . Led Zeppelin remain one of the most bootlegged artists in the history of rock music . 
