ONE VOICE by BARRY MANILOW has sold 1,224,620 copies in Canada, Japan, United Kingdom, United States and USSR.
ONE VOICE certifications and sales
| Country / region | Sales | Certification / source | Certification date / sales as of | |
 Canada |
100,000 | 1x Platinum | 1980 |
Canada Sales: 100,000
Certification / note: 1x Platinum
Certification Date / sales as of: 1980
|
 Japan |
4,620 | Oricon charts |
Japan Sales: 4,620
Certification / note: Oricon charts
Certification Date / sales as of:
|
|
 United Kingdom |
100,000 | 1x Gold | 13 December, 1979 |
United Kingdom Sales: 100,000
Certification / note: 1x Gold
Certification Date / sales as of: 13 December, 1979
|
 United States |
1,000,000 | 1x Platinum | 28 January, 1980 |
United States Sales: 1,000,000
Certification / note: 1x Platinum
Certification Date / sales as of: 28 January, 1980
|
 USSR |
20,000 | LP Shipments |
USSR Sales: 20,000
Certification / note: LP Shipments
Certification Date / sales as of:
|
|
| Total sales | 1,224,620 | (in 5 countries) |
Total
Sales: 1,224,620
(in 5 countries)
|
Year-end chart performance for ONE VOICE
| Chart 1980 | Rank |
| US Albums (Billboard 200) |
59 |