Love Story (Taylor Swift Song) - Chart Performance - North America

North America

On the week-ending September 27, 2008 "Love Story" debuted at number sixteen on the Billboard Hot 100, selling over 97,000 digital downloads. In the succeeding week, "Love Story" ascended to a new peak at number five, selling 159,000. After two weeks in the top ten, on the week ending October 18, 2008, the track descended to number thirteen and remained on the top twenty of the Billboard Hot 100 for eleven consecutive weeks, returning to the top ten, at number seven, on the week ending January 3, 2009. On the week ending January 17, 2009, the song reached its peak at number four on the chart, becoming Swift's best charting single at the time. In the succeeding weeks, "Love Story" continued to sell strongly, spending fourteen weeks in the top ten and forty-nine weeks in total. The single is one of thirteen songs from Fearless charted within the top forty of the Billboard Hot 100, breaking the record for the most top forty entries from a single album. The single was certified quintuple platinum by the Recording Industry Association of America for shipments exceeding five million copies. As of June 2013, "Love Story" has sold 5.6 million copies in the United States. Therefore, the song became Swift's best-selling single, was once the best-selling country single of all time (now the second) and the ninth best-selling digital single of all time.

"Love Story" reached number two in Billboard Radio Songs with 106 million all-format audience impressions, being held from the top spot by Kanye West's "Heartless". On Billboard Hot Country Songs, "Love Story" debuted at number twenty-five on the week-ending September 27, 2008. The song jumped at the top ten on its fourth week at number nine and on its ninth week it reached the top spot, thus giving Swift her third number-one song on Billboard Hot Country Songs and her fastest song to reach number one on the chart. It stayed at number one for two weeks and charted for a total of thirteen weeks on Billboard Hot Country Songs. On Billboard Pop Songs, the song debuted at thirty-four on the week-ending November 22, 2008. It reached the top spot on its fifteenth week, the week-ending February 28, 2009, marking the highest peak by a country song on the chart since Shania Twain's "You're Still the One" peaked at number three in 1998. "Love Story" also reached number one spot in Billboard Adult Contemporary and number three in Billboard Adult Pop Songs, and was able to appear Billboard Latin Pop Songs at number thirty-five.

In Canada, "Love Story" entered at number eighty-eight on the week ending October 18, 2008. It entered and peaked at number four on the week ending November 29, 2008, became Swift's first top ten hit in the said territory. The single stayed at the top ten for ten weeks and charted for fifty-two weeks. It was placed at number eight on Canadian year-end chart and was certified double platinum by Music Canada for sales of 160,000 digital downloads.