According to Sony Music Japan, MARIAH CAREY by MARIAH CAREY has sold 15,000,000 copies worldwide. The album sold best in United States (9,000,000 copies), Canada (700,000 copies) and Japan (600,000 copies).
MARIAH CAREY certifications and sales
| Country / region | Sales | Certification / source | Certification date / sales as of | |
 Australia |
350,000 | 5x Platinum | 2020 |
Australia Sales: 350,000
Certification / note: 5x Platinum
Certification Date / sales as of: 2020
|
 Canada |
700,000 | 7x Platinum | 1996 |
Canada Sales: 700,000
Certification / note: 7x Platinum
Certification Date / sales as of: 1996
|
 Japan |
600,000 | 3x Platinum | January 1995 |
Japan Sales: 600,000
Certification / note: 3x Platinum
Certification Date / sales as of: January 1995
|
 Netherlands |
100,000 | 1x Platinum | 1992 |
Netherlands Sales: 100,000
Certification / note: 1x Platinum
Certification Date / sales as of: 1992
|
 New Zealand |
60,000 | 4x Platinum |
New Zealand Sales: 60,000
Certification / note: 4x Platinum
Certification Date / sales as of:
|
|
 Norway |
31,467 | Year-end list | 1990 |
Norway Sales: 31,467
Certification / note: Year-end list
Certification Date / sales as of: 1990
|
 Spain |
50,000 | 1x Gold | 1991 |
Spain Sales: 50,000
Certification / note: 1x Gold
Certification Date / sales as of: 1991
|
 Sweden |
50,000 | 1x Gold | 25 October, 1990 |
Sweden Sales: 50,000
Certification / note: 1x Gold
Certification Date / sales as of: 25 October, 1990
|
 Switzerland |
25,000 | 1x Gold | 1990 |
Switzerland Sales: 25,000
Certification / note: 1x Gold
Certification Date / sales as of: 1990
|
 United Kingdom |
300,000 | 1x Platinum | 1 June, 1994 |
United Kingdom Sales: 300,000
Certification / note: 1x Platinum
Certification Date / sales as of: 1 June, 1994
|
 United States |
9,000,000 | 9x Platinum | 15 December, 1999 |
United States Sales: 9,000,000
Certification / note: 9x Platinum
Certification Date / sales as of: 15 December, 1999
|
| Worldwide sales | 15,000,000 | Sony Music Japan |
Total
Sales: 15,000,000
Source: Sony Music Japan
|
Year-end chart performance for MARIAH CAREY
| Chart 1990 | Rank | Sales |
| Canadian Albums (RPM) |
13 | |
| Dutch Albums (Album Top 100) |
40 | |
 European Albums (Music & Media) |
79 | |
| Japanese Albums (Oricon) |
87 | 141,290 |
| New Zealand Albums (RMNZ) |
28 | |
| Norwegian Albums (Dagbladet) |
24 | 31,467 |
| UK Artist Albums |
88 | |
| US Albums (Billboard 200) |
32 | |
| Chart 1991 | Rank | Sales |
| Australian Albums (ARIA) |
6 | |
| Canadian Albums (RPM) |
4 | |
| Dutch Albums (Album Top 100) |
88 | |
| New Zealand Albums (RMNZ) |
12 | |
| US Albums (Billboard 200) |
1 | |
| US Albums (Soundscan) |
2 | 3,380,000 |
Decade-end chart performance for MARIAH CAREY
| Chart 1990's | Rank |
| US Albums (Billboard 200) |
27 |