2004 Oricon Number 1 Releases

#1 Singles and Albums in 2004 according to Oricon

From January 1, 2004 to December 31, 2004. Click on the # for that week to view the top 10 albums, singles and their sales. The date to the left of the week is the monday of the week (i.e., the first day of the Oricon week). This may or may not match up to the date that the single/album was released, as most releass dates state the Wednesday as its release date (yet are on sale the Tuesday before).


 * Note: 'Week Sales' means the number of units that the product sold to get to #1 for that week. Usually this is the product's first week sales, but not always.