White Christmas (song) are the formats and track listings of single releases of "White Christmas". Crosby's "White Christmas" single has been credited with selling 50 million copies, the most by any release and therefore it is the biggest-selling single worldwide of all time. The "Guinness Book of World Records" 2009 Edition lists the song as a 100-million seller, encompassing all versions of the song, including albums. Crosby's holiday collection "Merry Christmas" was first released as an LP in 1949, and has never been out of print since. There has been confusion and debate on whether Crosby's record is or is not the best-selling
Last Christmas as their B-side. The former entered the top 20 of the Oricon Singles Chart peaking at No. 15, while the latter reached No. 47. The single was reissued in 1993 on CD single in the country and peaked at No. 17, selling nearly 40,000 copies that week. As a result of the success, "Last Christmas" is amongst the ten best-selling singles of all time released by a non-Japanese act, with total sales of 683,000 units. In 2009, the song re-entered the Spanish Lista de Canciones (singles chart) at number 9. In Germany, the song is the most successful Christmas single