20 DIAMOND HITS / 20 GOLDEN GREATS by NEIL DIAMOND has sold 1,006,000 copies in Canada, Germany, Spain and United Kingdom.
20 DIAMOND HITS / 20 GOLDEN GREATS certifications and sales
| Country / region | Sales | Certification / source | Certification date / sales as of | |
 Canada |
356,000 | 1x Platinum | 1979 |
Canada Sales: 356,000
Certification / note: 1x Platinum
Certification Date / sales as of: 1979
|
 Germany |
250,000 | 1x Gold | 1978 |
Germany Sales: 250,000
Certification / note: 1x Gold
Certification Date / sales as of: 1978
|
 Spain |
100,000 | 1x Platinum | 1980 |
Spain Sales: 100,000
Certification / note: 1x Platinum
Certification Date / sales as of: 1980
|
 United Kingdom |
300,000 | 1x Platinum | 4 January,1978 |
United Kingdom Sales: 300,000
Certification / note: 1x Platinum
Certification Date / sales as of: 4 January,1978
|
| Total sales | 1,006,000 | (in 4 countries) |
Total
Sales: 1,006,000
(in 4 countries)
|
Year-end chart performance for 20 DIAMOND HITS / 20 GOLDEN GREATS
| Chart 1978 | Rank |
| German Albums (Offizielle Top 100) |
25 |
| UK Albums (Music Week) |
41 |
| Chart 1979 | Rank |
| UK Albums (Music Week) |
76 |
| Chart 1981 | Rank |
 Dutch Albums (Album Top 100) |
36 |