On which ABBA album was Happy New Year first released?

"Happy New Year" by ABBA was first released on their seventh studio album, "Super Trouper," in 1980. The song was written by Benny Andersson and Björn Ulvaeus, the male members of the group. "Super Trouper" was a successful album for ABBA, featuring other hits such as "The Winner Takes It All" and "Lay All Your Love on Me."