40 GREATEST HITS by PERRY COMO has sold 300,000 copies in United Kingdom.
40 GREATEST HITS certifications and sales
| Country / region | Sales | Certification / source | Certification date / sales as of | |
 United Kingdom |
300,000 | 1x Platinum | 1 November, 1975 |
United Kingdom Sales: 300,000
Certification / note: 1x Platinum
Certification Date / sales as of: 1 November, 1975
|
| Total sales | 300,000 | (in 1 country) |
Total
Sales: 300,000
(in 1 country)
|
Decade-end chart performance for 40 GREATEST HITS
| Chart 1970's | Rank |
| UK Albums (Music Week) |
29 |