Hello how may I help you? Best selling record of all time The bast selling record in the United States was The Eagles Greatest Hits Not just United States the whole world The best selling record in the world is Michael Jacksons Thriller. Okay great thank you for your help Is there anything else I can help you with? Nope that's it Okay have a great day. Are u real????? No I am a bot designed to answer world records questions. Lies