According to Jethro Tull official site, AQUALUNG by JETHRO TULL has sold 7,000,000 copies worldwide. The album sold best in United States (3,370,000 copies), Germany (250,000 copies) and United Kingdom (100,000 copies).
AQUALUNG certifications and sales
| Country / region | Sales | Certification / source | Certification date / sales as of | |
 Germany |
250,000 | 1x Gold | 2008 |
Germany Sales: 250,000
Certification / note: 1x Gold
Certification Date / sales as of: 2008
|
 Italy |
25,000 | 1x Gold (Sales since 2009) | 2015 |
Italy Sales: 25,000
Certification / note: 1x Gold (Sales since 2009)
Certification Date / sales as of: 2015
|
 United Kingdom |
100,000 | 1x Gold | 22 July, 2013 |
United Kingdom Sales: 100,000
Certification / note: 1x Gold
Certification Date / sales as of: 22 July, 2013
|
 United States |
3,370,000 | 3x Platinum | 10 November, 1989 |
United States Sales: 3,370,000
Certification / note: 3x Platinum
Certification Date / sales as of: 10 November, 1989
|
| Worldwide sales | 7,000,000 | Jethro Tull official site |
Total
Sales: 7,000,000
Source: Jethro Tull official site
|
Year-end chart performance for AQUALUNG
| Chart 1971 | Rank |
 Australian Albums (Kent Music Report) |
19 |
| German Albums (Offizielle Top 100) |
15 |
| US Albums (Billboard 200) |
33 |
| Chart 1972 | Rank |
| US Albums (Billboard 200) |
80 |