In its legacy, "Blackout" has been cited as a career highlight for Spears, as well as a major influence on the 2010s decade of pop music. The album has been featured on multiple decade-end, 21st century, and all-time lists of best albums by several publications. In 2012, the album was inducted in the Rock and Roll Hall of Fame's music library. It was also ranked at 39 on "The Guardian"s 2019 list of the 100 best albums of the 21st century. In 2020, the album was ranked at 441 on "Rolling Stone"s 500 Greatest Albums of All Time list.