In Canada, "Blackout" debuted atop the Canadian Albums Chart with sales of 29,000 units, becoming her first number-one album there since "Britney" (2001). It was certified platinum by the Canadian Recording Industry Association (CRIA) for shipments of 100,000 copies. In Australia and New Zealand, "Blackout" debuted at numbers three and eight on the official charts, respectively. It was certified platinum by the Australian Recording Industry Association (ARIA) indicating shipments of 70,000 units. "Blackout" debuted at number two on the UK Albums Chart with sales of 42,000 units, behind "Long Road Out of Eden". It stayed on the chart for twenty-eight weeks. It was certified gold by the British Phonographic Industry (BPI) for shipments of 100,000 copies. In Ireland, the album debuted atop the Irish Albums Chart, replacing Bruce Springsteen's "Magic". "Blackout" also debuted atop the European Top 100 Albums, holding off "Long Road Out of Eden" and Eros Ramazzotti's "e²" from reaching the top of the chart. The album reached the top ten in ten European markets, including debuting at number four in Switzerland, number six in Austria, Italy and Denmark, and number ten in Germany and Portugal. According to the International Federation of the Phonographic Industry (IFPI), the album was the thirty-second best-selling album of 2007. By the end of 2008, "Blackout" had sold 3.1 million copies worldwide.