The best selling album in 2015 in United States was 25 by ADELE which sold 8,008,000 copies.
| Rank | Artist | Album | Sales | Released |
| 1 | ADELE | 25 | 8,008,000 | 2015 |
| 2 | TAYLOR SWIFT | 1989 | 3,105,000 | 2014 |
| 3 | JUSTIN BIEBER | PURPOSE | 2,225,000 | 2015 |
| 4 | ED SHEERAN | X | 2,206,000 | 2014 |
| 5 | THE WEEKND | BEAUTY BEHIND THE MADNESS | 2,045,000 | 2015 |
| 6 | DRAKE | IF YOU'RE READING THIS ITS TOO LATE | 1,919,000 | 2015 |
| 7 | MEGHAN TRAINOR | TITLE | 1,795,000 | 2015 |
| 8 | SAM SMITH | IN THE LONELY HOUR | 1,741,000 | 2014 |
| 9 | SAM HUNT | MONTEVALLO | 1,378,000 | 2014 |
| 10 | FETTY WAP | FETTY WAP | 1,295,000 | 2015 |
Source: Nielsen SoundScan