20 GREATEST HITS by THE MAMAS & THE PAPAS has sold 325,000 copies in United Kingdom and USSR.
20 GREATEST HITS certifications and sales
| Country / region | Sales | Certification / source | Certification date / sales as of | |
 United Kingdom |
300,000 | 1x Platinum | 1 November, 1986 |
United Kingdom Sales: 300,000
Certification / note: 1x Platinum
Certification Date / sales as of: 1 November, 1986
|
 USSR |
25,000 | LP Shipments |
USSR Sales: 25,000
Certification / note: LP Shipments
Certification Date / sales as of:
|
|
| Total sales | 325,000 | (in 2 countries) |
Total
Sales: 325,000
(in 2 countries)
|