"Birthday Song" debuted at number 91 on the US Billboard Hot 100 on the week of August 11, 2012.[3] The song fell off the chart the following week. It re-entered the chart at number 100 on the week of September 1, 2012.[4] The song continued to climb the chart, until reached its peak position at number 47 on the week of November 10, 2012.[5] The single ended up spending a total of 20 weeks on the chart.[6] On November 25, 2014, the single was certified double platinum by the Recording Industry Association of America (RIAA) for sales of over two million digital copies in the United States.