GREATEST HITS by DR. HOOK & THE MEDICINE SHOW has sold 400,000 copies in Australia, New Zealand and United Kingdom.
GREATEST HITS certifications and sales
| Country / region | Sales | Certification / source | Certification date / sales as of | |
 Australia |
70,000 | 1x Platinum | OCTOBER 1992 |
Australia Sales: 70,000
Certification / note: 1x Platinum
Certification Date / sales as of: OCTOBER 1992
|
 New Zealand |
30,000 | 2x Platinum |
New Zealand Sales: 30,000
Certification / note: 2x Platinum
Certification Date / sales as of:
|
|
 United Kingdom |
300,000 | 1x Platinum | 5 December, 1980 |
United Kingdom Sales: 300,000
Certification / note: 1x Platinum
Certification Date / sales as of: 5 December, 1980
|
| Total sales | 400,000 | (in 3 countries) |
Total
Sales: 400,000
(in 3 countries)
|
Year-end chart performance for GREATEST HITS
| Chart 1980 | Rank |
| UK Albums (Music Week) |
21 |
| Chart 1981 | Rank |
| Australian Albums (Kent Music Report) |
13 |
| New Zealand Albums (RMNZ) |
36 |
| UK Albums (Music Week) |
47 |
| Chart 1992 | Rank |
| Australian Albums (ARIA) |
31 |
| Chart 1993 | Rank |
 Dutch Albums (Album Top 100) |
82 |
| Chart 2001 | Rank |
| New Zealand Albums (RMNZ) |
38 |