Which song is the most translated in world?

The most translated song in the world is "Happy Birthday to You". It has been translated into over 180 languages. The song was written in 1893 by Patty Smith Hill, a kindergarten teacher from Kentucky, USA. It was originally called "Good Morning to All" and was used as a greeting song for her students. In 1935, the song was copyrighted by the Clayton F. Summy Company, which added the lyrics "Happy Birthday to You". The song has since become a global phenomenon and is sung by people of all ages around the world.