Which Madonna song was most successful?

Answer 1

Hung Up is the most successful song from 2005 Madonna's Confession On A Dancefloor album. Madonna co-wrote it with Stuart Price, Benny Andersson, Björn Ulvaeus contains a sample of "Gimme! Gimme! Gimme! (A Man After Midnight)" performed by ABBA.

"Hung Up" is Madonna's biggest selling single to date, and one of the most successful singles of all time, reaching Number One in a record-breaking 45 countries (except USA Billboard). It sold 8,698,000 units, and according to the United World Chart, is the 5th most successful song since 1999 and the forty-third most successful song in music history. Referring to that same list, "Hung Up" is also the seventh most successful song released by a solo female musician, the third most successful single of the 21st Century thus far and the second biggest selling dance single of all time, after Cher's single, "Believe". Due to the single's worldwide success, it currently holds the record of reaching the number-one position in the most countries for a single. This record was listed in the 2007 edition of "Guinness Book of World Records"."Hung Up" is also the second biggest-selling dance single of all time. With this song, Madonna achieved her 25th gold single, surpassing the Beatles for the most gold singles of all time. Source: Wikipedia