The top two sales records were achieved in the same week, on March 28, 2001, as both albums were promoted as a direct competition between J-pop singer-songwriters Hikaru Utada and Ayumi Hamasaki by their respective labels.
This is a list of the fastest-selling albums in South Korea as recorded by the Hanteo Information System[a] established in 1993.
[60] Seventeenth Heaven by Seventeen is the fastest-selling album of all time in South Korea with 5,091,887 copies shipped to stores in its first seven days of release.
Notes: This is a list of the fastest-selling albums (pure sales) in the United States since Nielsen SoundScan tracking began on March 1, 1991.
Notes: The following albums predate the introduction of Nielsen SoundScan, and are possibly subject to manipulation or inflation as sales were self-reported by record labels:[87] This is the list of the fastest selling albums worldwide within the first week of their release, based on figures published by reliable sources.