Hello how may I help you? I would like to know what the best selling record of all time is. I can assist you with that. The best selling record of all time is Thriller by Michael Jackson Thank you. I have a few more questions Certainly! That is what I'm here for How many copies did it sell? Thriller sold 500 million copies worldwide The best selling record in the US however was Adele's 21 Thanks. What year was Thriller released? Thriller was released in 1982 Thanks very much for the help No problem!