A/B by KALEO has sold 996,059 copies in 9 countries. The album sold best in United States (500,000 copies), Canada (160,000 copies) and France (100,000 copies).
A/B certifications and sales
| Country / region | Sales | Certification / source | Certification date / sales as of | |
 Austria |
7,500 | 1x Gold | 29 June, 2022 |
Austria Sales: 7,500
Certification / note: 1x Gold
Certification Date / sales as of: 29 June, 2022
|
 Canada |
160,000 | 2x Platinum | May 24, 2022 |
Canada Sales: 160,000
Certification / note: 2x Platinum
Certification Date / sales as of: May 24, 2022
|
 France |
100,000 | 1x Platinum | 13 October, 2022 |
France Sales: 100,000
Certification / note: 1x Platinum
Certification Date / sales as of: 13 October, 2022
|
 Germany |
100,000 | 1x Gold | May 2022 |
Germany Sales: 100,000
Certification / note: 1x Gold
Certification Date / sales as of: May 2022
|
 Iceland |
8,559 | Year-end lists | 2009 - 2019 |
Iceland Sales: 8,559
Certification / note: Year-end lists
Certification Date / sales as of: 2009 - 2019
|
 Norway |
10,000 | 1x Gold | 30 January, 2020 |
Norway Sales: 10,000
Certification / note: 1x Gold
Certification Date / sales as of: 30 January, 2020
|
 Poland |
10,000 | 1x Gold | 24 March, 2021 |
Poland Sales: 10,000
Certification / note: 1x Gold
Certification Date / sales as of: 24 March, 2021
|
 United Kingdom |
100,000 | 1x Gold | 27 May, 2022 |
United Kingdom Sales: 100,000
Certification / note: 1x Gold
Certification Date / sales as of: 27 May, 2022
|
 United States |
500,000 | 1x Gold | 30 January, 2019 |
United States Sales: 500,000
Certification / note: 1x Gold
Certification Date / sales as of: 30 January, 2019
|
| Total sales | 996,059 | (in 9 countries) |
Total
Sales: 996,059
(in 9 countries)
|
Year-end chart performance for A/B
| Chart 2016 | Rank | Sales |
| Icelandic Domestic Albums (FHF) |
2 | 3,238 |
| Chart 2017 | Rank | Sales |
 Belgian Albums (Ultratop Flanders) |
96 | |
| Belgian Albums (Ultratop Wallonia) |
133 | |
| French Albums (SNEP) |
115 | |
| German Albums (Offizielle Top 100) |
97 | |
| Icelandic Albums (FHF) |
2 | 2,671 |
| Icelandic Physical Albums (FHF) |
4 | 1,166 |
| Icelandic Streaming Albums (FHF) |
6 | 1,481 |
 Swiss Albums (Schweizer Hitparade) |
59 | |
| Chart 2018 | Rank | Sales |
| Icelandic Albums (FHF) |
14 | 1,641 |
| Icelandic Physical Albums (FHF) |
12 | 445 |
| Icelandic Streaming Albums (FHF) |
21 | 1,196 |
| Chart 2019 | Rank | Sales |
| Icelandic Albums (FHF) |
18 | 1,033 |
| Icelandic Physical Albums (FHF) |
18 | 238 |
| Icelandic Streaming Albums (FHF) |
28 | 795 |
| Chart 2020 | Rank | Sales |
| Icelandic Albums (FHF) |
16 | 1,095 |
| Icelandic Physical Albums (FHF) |
25 | 176 |
| Icelandic Streaming Albums (FHF) |
23 | 919 |
| Chart 2021 | Rank | Sales |
| Icelandic Albums (FHF) |
6 | 1,496 |
| Icelandic Physical Albums (FHF) |
13 | 279 |
| Icelandic Streaming Albums (FHF) |
7 | 1,217 |