Hello how may I help you? Can you help with music world records? What world records would you like to know about? What is the best selling record ever? Eagles- Their Greatest Hit sold 29 million copies and is the best selling record ever in the US. What was the best selling record worldwide? Michael Jackson's Thriller has sold 120 million copies and is the world's best selling record. Wow that's a lot. What year was that released? Thriller was released in 1982. Ok thanks for all the information. Have a great day!