What is the most downloaded song?

According to the International Federation of the Phonographic Industry (IFPI), the most downloaded song of all time is "Despacito" by Luis Fonsi and Daddy Yankee featuring Justin Bieber. It was released in 2017 and topped the charts in many countries around the world. The song has been certified Diamond by the Recording Industry Association of America (RIAA), indicating that it has sold over 10 million units in the United States. Additionally, it has been streamed over 11 billion times on Spotify and has over 7 billion views on YouTube.