THIRD STAGE by BOSTON has sold 4,455,230 copies in Canada, Japan and United States.
THIRD STAGE certifications and sales
| Country / region | Sales | Certification / source | Certification date / sales as of | |
 Canada |
300,000 | 3x Platinum | 1986 |
Canada Sales: 300,000
Certification / note: 3x Platinum
Certification Date / sales as of: 1986
|
 Japan |
155,230 | Oricon charts |
Japan Sales: 155,230
Certification / note: Oricon charts
Certification Date / sales as of:
|
|
 United States |
4,000,000 | 4x Platinum | 26 February, 1987 |
United States Sales: 4,000,000
Certification / note: 4x Platinum
Certification Date / sales as of: 26 February, 1987
|
| Total sales | 4,455,230 | (in 3 countries) |
Total
Sales: 4,455,230
(in 3 countries)
|
Year-end chart performance for THIRD STAGE
| Chart 1986 | Rank |
| Canadian Albums (RPM) |
26 |
| Chart 1987 | Rank |
| Canadian Albums (RPM) |
35 |
| US Albums (Billboard 200) |
17 |
| Chart 2018 | Rank |
 Australian Music DVD (ARIA) |
34 |