SPECTRUM by WESTLIFE has sold 115,000 copies in Ireland and United Kingdom.
SPECTRUM certifications and sales
| Country / region | Sales | Certification / source | Certification date / sales as of | |
 Ireland |
15,000 | 1x Platinum | 2019 |
Ireland Sales: 15,000
Certification / note: 1x Platinum
Certification Date / sales as of: 2019
|
 United Kingdom |
100,000 | 1x Gold | 13 December, 2019 |
United Kingdom Sales: 100,000
Certification / note: 1x Gold
Certification Date / sales as of: 13 December, 2019
|
| Total sales | 115,000 | (in 2 countries) |
Total
Sales: 115,000
(in 2 countries)
|
Year-end chart performance for SPECTRUM
| Chart 2019 | Rank |
| Irish Albums (IRMA) |
14 |
| UK Albums (Official Charts) |
29 |