Her debut album, Some Hearts, was certified seven times platinum and, since February 2006, is the fastest selling debut country album in Nielsen SoundScan history. It is also the best-selling solo female debut album in country music history, since February 2008. Some Hearts yielded three number one hits on the Billboard Hot Country Songs and a number one hit on the Billboard Hot 100 Songs. Her second album, Carnival Ride, was released on October 23, 2007. It has sold over 3 million copies as of January 2010, being certified 3 times Platinum, and produced four consecutive number one hits on the Billboard Hot Country Songs. Underwood released her third album, Play On, on November 3, 2009. It has been certified 2 times Platinum by the RIAA and has produced three consecutive number one hits on the Billboard Hot Country Songs. As of June 2011, Underwood has sold over 22 million singles and 16 million albums worldwide. As of May 16, 2011, Carrie became the "American Idol" US Top Earner, selling so far 12.3 million album copies and 18.5 million digital tracks, along with amassing $66 million in tour revenues, since winning Season 4.
With eleven number one hits on Billboard Hot Country Songs, Underwood is listed in the 2012 Guinness Book Of World Records as the Female Country Artist with Most number one Hits on such chart from 1991 to present, tied with Reba McEntire. Underwood is also the only solo Country Artist to have a number one hit on Billboard Hot 100 Songs in the 2000 decade, as "Inside Your Heaven" reached the top of the chart in July 2005. Her album Some Hearts was named the Best Country Album of the 2000 Decade by Billboard, and she's the only Female Artist to appear on the Top 10 of Billboard's Best Country Artists of the 2000 Decade list, ranked at number ten. She was also ranked number 50 on the Artists of the Decade list by Billboard. In June 2011, Rolling Stone magazine ranked Carrie as the number eleven Queen of Pop, based on a lot of criteria from 2009 until 2011. In July 2011, Forbes reported that Underwood earned over $20 million between May 2010 and May 2011.
With eleven number one hits on Billboard Hot Country Songs, Underwood is listed in the 2012 Guinness Book Of World Records as the Female Country Artist with Most number one Hits on such chart from 1991 to present, tied with Reba McEntire. Underwood is also the only solo Country Artist to have a number one hit on Billboard Hot 100 Songs in the 2000 decade, as "Inside Your Heaven" reached the top of the chart in July 2005. Her album Some Hearts was named the Best Country Album of the 2000 Decade by Billboard, and she's the only Female Artist to appear on the Top 10 of Billboard's Best Country Artists of the 2000 Decade list, ranked at number ten. She was also ranked number 50 on the Artists of the Decade list by Billboard. In June 2011, Rolling Stone magazine ranked Carrie as the number eleven Queen of Pop, based on a lot of criteria from 2009 until 2011. In July 2011, Forbes reported that Underwood earned over $20 million between May 2010 and May 2011.