On the week ending November 11, 2006, Taylor Swift debuted at number nineteen on the Billboard 200 due to sales of 40,000 copies. It reached its highest sales week on the week ending January 5, 2008 with 187,000 copies sold. After sixty-three weeks on the Billboard 200, on the week ending January 19, 2008, the album reached its charting peak at number five due to sales of 47,000 copies.
Taylor Swift marked the longest stay on the Billboard 200 by any album released in the decade. So far the album has stayed on the chart for 277 weeks. The album topped Billboard's Top Country Albums Chart for twenty-four non-consecutive weeks. On the week ending August 2, 2008, Swift's EPBeautiful Eyes replaced Taylor Swift as the chart's number one album.
With Taylor Swift charting at number two, Swift became the first artist to hold the first two positions on Top Country Albums since LeAnn Rimes charted in 1997 with Blue (1996) and Unchained Melody: The Early Years (1997). On February 17, 2014, the album was certified nine times platinum by the Recording Industry Association of America(RIAA) for the shipment and sales of 9,000,000 copies. After six years of its release, Taylor Swift made debuted at number thirty-eight on the New Zealand Albums Chart.
Taylor Swift peaked at number fourteen on the Canadian Albums Chart and at number-one on the Canadian Country Albums Chart. Taylor Swift was certified platinum by the Canadian Recording Industry Association (CRIA) for the shipment of 80,000 copies. As of June 2014, the album had sold 9,034,000 copies in the United States.
In Australia, Taylor Swift peaked at number thirty-three on the main chart and at number three on the country-genre chart. On the week ending September 5, 2009, it entered the UK Albums Chart at number eighty-eight; the following week, it reached its peak at number eighty-one.
The album is certified platinum by the British Phonographic Industry (BPI) for the shipment of 300,000 copies. As of June 2013,Taylor Swift has sold over 11 million copies worldwide.