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This is a list of best-selling albums in the United States of the Nielsen SoundScan era. SoundScan began tracking sales data for Billboard on March 1, 1991. SoundScan data is unrelated to the Recording Industry Association of America (RIAA) certifications, and is based on actual sales while the RIAA's certification process is based on shipments.
The following is a list of the best-selling albums in the United States based on RIAA certification and Nielsen SoundScan sales tracking. The criteria are that the album must have been published (including self-publishing by the artist), and the album must have achieved at least a diamond certification from the RIAA. The albums released prior ...
Nielsen SoundScan began tracking sales data for Nielsen on March 1, 1991. [7] The May 25 issue of Billboard published Billboard 200 and Country Album charts based on SoundScan "piece count data", [8] [9] and the first Hot 100 chart to debut with the system was released on November 30, 1991.
For many years, a song had to be commercially available as a single to be considered for any of the Billboard charts. At the time, instead of using Luminate (formerly Nielsen SoundScan or Nielsen Broadcast Data Systems, BDS), Billboard obtained its data from manual reports filled out by radio stations and stores.
From 1992 to date, Nielsen SoundScan's year-end tracking was used. Since 2015, Billboard and MRC Data (formerly Nielsen SoundScan) used album-equivalent units to determine the year's top albums, thus there is a discrepancy between the best-selling album (based on pure sales) and the best-performing album (based on sales+streaming).
This is a list of the best-selling albums of the 21st century to date based on IFPI certification and Nielsen SoundScan sales tracking. The criteria are that the album must have been published (including self-publishing by the artist), and the album must have shipped at least 10 million units starting from January 1, 2001.
Its data, published by Billboard magazine and compiled by Nielsen SoundScan, is based collectively on each single's weekly physical and digital sales, as well as airplay and streaming. At the end of a year, Billboard will publish an annual list of the 100 most successful songs throughout that year on the Hot 100 chart based on the information.
The data were compiled by Nielsen SoundScan based collectively on each single's weekly physical (CD, vinyl and cassette) and digital sales, airplay, and streaming. Only songs released as physical singles were counted prior to 1998, when Billboard magazine allowed airplay-only singles to chart. [ 1 ]