copies. It remained in the top twenty for thirteen weeks and on the chart for sixty-two weeks. It made two re-entries, including in 2022, where it peaked at number 20. In Canada, #1's was certified triple-platinum by the Canadian Recording Industry Association (CRIA), denoting shipments of 300,000 copies. In Europe, the album experienced success, peaking within the top-ten in almost every major music market. By 2003, the album received a double-platinum certification by the International Federation of the Phonographic Industry (IFPI), denoting shipments of two million copies throughout Europe, until that year. In France, #1's was certified double-platinum. The album received a platinum certification in Belgium, Spain, Sweden, Switzerland and the United Kingdom, where it shipped 800,000 copies. #1's received a gold certification in Germany, the Netherlands and Norway. Aside from its success in Europe, the album experienced its highest sales in Japan (after the US), where it sold 3,250,000 copies in the first three months after its release. In Japan, #1's remains the best-selling album in Japan by a non-Asian artist and is certified the triple-Million award. The album was certified five-times platinum by the Recording Industry Association of America (RIAA), denoting shipments of five million copies throughout the United States. The album sold more than 15 million copies worldwide. Track listing Notes signifies an additional composer signifies a co-producer signifies a remixer signifies an additional producer Personnel Adapted from the Number 1's liner notes. Mariah Carey – lead vocals, background vocals Walter Afanasieff – keyboards, additional keyboards, synthesizers Dave Hall – synthesizers, keyboards, rhythm programming Ben Margulies – drums, keyboards, programming Babyface – arranger Narada Michael Walden – drums Dan Shea – drums, percussion Ric Wake – drum programming Rhett Lawrence – keyboards Robert Clivillés – drums, percussion Loris Holland – synthesizers, keyboards, rhythm programming David Cole – keyboards Sean "Puffy" Combs – background vocals, keyboards, synthesizers Cory Rooney – drum programming, keyboards Kamall Fareed – programming, drums James T. Alfano – programming, guitars Anthony Henderson – guitars, background vocals, keyboards Charles Scruggs – bass, background vocals, keyboards Steven Jordan – programming Cindy Mizelle – background vocals Mark C. Rooney – background vocals Melonie Daniels – background vocals Kelly Price – background vocals Shanrae Price – background vocals Production Mariah Carey – arranger Walter Afanasieff – arranger Dave Hall – arranger Babyface – arranger Narada Michael Walden – arranger, additional production, rhythm arrangement Ric Wake – additional arrangement