Hello how may I help you? what is the best selling record of all time? Would you like to know the best selling record in the United States, or in the entire world? boh both Michael Jackson's Thriller is the best-selling record in the world. It is also the the record in the U.S. awesome Are you interested in any other world records? no thanks not at the time I am here any time you wish to find another world record fact. excellent! You have a great day!