Infinity on High finished the year at number twenty-one on IFPI's list of the "Top 50 Global Best Selling Albums of 2007". "Infinity on High" has shipped over two million copies worldwide. The album also charted inside the top five worldwide, making it the band's most successful and breakthrough album internationally. "Infinity on High" charted all over Europe, debuting at number eight on "Billboard"'s European Albums chart. In Australia, it debuted at its peak of number four on the Australian ARIA Albums Chart. It remained on the Australian chart for a total of fifty weeks, spending its first seven weeks in the top
Infinity on High top ten, it went on to spend a combined total of twenty-six weeks inside the top twenty and received a Platinum accreditation from the Recording Industry Association of New Zealand (RIANZ) for 15,000 shipments. In the United Kingdom, the album debuted at number three with 64,054 first week sales and made nine weeks in the top twenty, being certified Platinum by the British Phonographic Industry (BPI) for 300,000 units shipped. It went on to sell 446,807 in the UK to date January 2015. The album debuted at number two in Canada with 21,000 first week sales. "Infinity" was certified Platinum