According to Billboard, BOSTON by BOSTON has sold 25,000,000 copies worldwide. The album sold best in United States (17,653,000 copies), Canada (1,000,000 copies) and United Kingdom (100,000 copies).
BOSTON certifications and sales
| Country / region | Sales | Certification / source | Certification date / sales as of | |
 Canada |
1,000,000 | 1x Diamond | May 13, 1997 |
Canada Sales: 1,000,000
Certification / note: 1x Diamond
Certification Date / sales as of: May 13, 1997
|
 Japan |
63,046 | Oricon charts |
Japan Sales: 63,046
Certification / note: Oricon charts
Certification Date / sales as of:
|
|
 United Kingdom |
100,000 | 1x Gold | 20 March, 1979 |
United Kingdom Sales: 100,000
Certification / note: 1x Gold
Certification Date / sales as of: 20 March, 1979
|
 United States |
17,653,000 | 17x Platinum | 20 November, 2003 |
United States Sales: 17,653,000
Certification / note: 17x Platinum
Certification Date / sales as of: 20 November, 2003
|
| Worldwide sales | 25,000,000 | Billboard |
Total
Sales: 25,000,000
Source: Billboard
|
Year-end chart performance for BOSTON
| Chart 1976 | Rank |
| Canadian Albums (RPM) |
55 |
| Chart 1977 | Rank |
| Canadian Albums (RPM) |
8 |
 German Albums (Offizielle Top 100) |
14 |
| US Albums (Billboard 200) |
5 |
| Chart 1978 | Rank |
| US Albums (Billboard 200) |
99 |