THE BOY IS MINE by MONICA has sold 3,510,000 copies in Canada, France, Japan, United Kingdom and United States.
THE BOY IS MINE certifications and sales
| Country / region | Sales | Certification / source | Certification date / sales as of | |
 Canada |
300,000 | 3x Platinum | 1999 |
Canada Sales: 300,000
Certification / note: 3x Platinum
Certification Date / sales as of: 1999
|
 France |
50,000 | 1x Silver | 1999 |
France Sales: 50,000
Certification / note: 1x Silver
Certification Date / sales as of: 1999
|
 Japan |
100,000 | 1x Gold | March 1999 |
Japan Sales: 100,000
Certification / note: 1x Gold
Certification Date / sales as of: March 1999
|
 United Kingdom |
60,000 | 1x Silver | 22 July, 2013 |
United Kingdom Sales: 60,000
Certification / note: 1x Silver
Certification Date / sales as of: 22 July, 2013
|
 United States |
3,000,000 | 3x Platinum | 21 June, 2000 |
United States Sales: 3,000,000
Certification / note: 3x Platinum
Certification Date / sales as of: 21 June, 2000
|
| Total sales | 3,510,000 | (in 5 countries) |
Total
Sales: 3,510,000
(in 5 countries)
|
Year-end chart performance for THE BOY IS MINE
| Chart 1998 | Rank | Sales |
| Canadian Albums (RPM) |
42 | |
| US Albums (Billboard 200) |
95 | |
| US Albums (Soundscan) |
76 | 1,100,000 |
| Chart 1999 | Rank | Sales |
| US Albums (Billboard 200) |
83 |