Hello how may I help you? I have a question about world records Sure, I can help you with that. What is the best selling record of all time The Best Selling Record in the USA is Thriller. However, the best selling record world wide is hello What artist has sold the most records Adele with 343 million records sold. Wow, she is impressive! What group has the most number 1 hits The Wiggles actually have the most number one hits world wide, while the backstreet boys have the most in the USA Interesting. Thanks so much! Is there anythig else I can help with? No thats all today