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2021 Oricon Number 1 Releases
From generasia
#1 Singles and Albums in 2021 according to Oricon
Survey period from December 14, 2020 to December 12, 2021 (aggregation period from December 28, 2020 to December 20, 2021). Click on the # for that week to view the top 30 albums and singles.
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.