Hello how may I help you? i have some questions world records. Sure, what you you like to know? what is the best selling record of all time? Michael Jackson's Thriller and The Eagles' Their Greatest Hits are tied for best selling record of all time. how many diud the sell? 47. 3 million certified copies of Jackson's Thriller were sold worldwide. Exact numbers are not possible to obtain because of inexact record keeping. who sold 2nd most? Worldwide, AC/DC sold second most. Figures are different for US only. who sold 3rd most? Pink Floyd sold 24.2 million copies of The Dark Side of the Moon worldwide. thank you. Have a great day, thanks for using the service.