2021 Saw CD Sales , Climb for the First Time , Since 2004.<br />'Billboard' reports that compact disc sales rose from <br />40.16 million units in 2020 to 40.59 million in 2021.<br />It's the first time that has happened in 17 years. .<br />Complex reports that the jump in CD sales was driven by several big releases by top-selling artists. .<br />Adele released her album, '30,' <br />which sold 898,000 CDs in 2021. .<br />Adele released her album, '30,' <br />which sold 898,000 CDs in 2021. .<br />Adele released her album, '30,' <br />which sold 898,000 CDs in 2021. .<br />Taylor Swift reissued her projects, 'Fearless' and 'Red,' which respectively sold 263,000 and 237,000 CDs. .<br />Taylor Swift reissued her projects, 'Fearless' and 'Red,' which respectively sold 263,000 and 237,000 CDs. .<br />Complex points out that BTS, Carrie Underwood <br />and Olivia Rodrigo also released some <br />of the top-selling CD albums of 2021. .<br />Complex points out that BTS, Carrie Underwood <br />and Olivia Rodrigo also released some <br />of the top-selling CD albums of 2021. .<br />Complex points out that BTS, Carrie Underwood <br />and Olivia Rodrigo also released some <br />of the top-selling CD albums of 2021. .<br />BTS' 'Map of the Soul: 7' sold 210,000 copies on CD, while their 'Be' album sold another 187,000 copies. .<br />Underwood released 'My Savior,' <br />which sold 217,000 CDs. .<br />Rodrigo's album, 'Sour,' sold 195,000 copies. .<br />'Billboard' points out that Adele, Swift and BTS accounted for 7.1% of all CD sales in 2021. .<br />'Billboard' points out that Adele, Swift and BTS accounted for 7.1% of all CD sales in 2021. .<br />'Billboard' points out that Adele, Swift and BTS accounted for 7.1% of all CD sales in 2021. .<br />According to 'Billboard,' the increase in physical sales could be attributed to perks offered by artists. .<br />CD packaging and art, exclusive tracks, <br />as well as collectibles like tees, photo cards <br />and posters all helped boost sales. .<br />CD packaging and art, exclusive tracks, <br />as well as collectibles like tees, photo cards <br />and posters all helped boost sales.