Underwood has sold 70 million records worldwide. She is the sixth highest-certified female artist of all time on the RIAA's Top Artists (Digital Singles) ranking, the highest-certified country album artist to debut in the twenty-first century and the woman with the most number-one singles on the Billboard Country Airplay chart, with 15. Her accolades include seven Grammy Awards, 11 Billboard Music Awards, 15 American Music Awards, a Guinness world record and inductions into the Hollywood Walk of Fame and the Grand Ole Opry. Billboard named her the top female country artist of both the 2000s and 2010s, and Some Hearts the top country album of the 2000s. She ranks, as per Pollstar, among the thirteen all-genre top female touring artists of the twenty-first century, selling over 4. 3 million concert tickets. Acclaimed by Rolling Stone as "the female vocalist of her generation of any genre", she was listed by Time as one of the 100 most influential people in the world in 2014. Forbes has declared her the most successful American Idol winner. She has further ventured into fashion—creating a fitness clothing line named CALIA by Carrie in 2015, and into writing—releasing the New York Times best-selling fitness/lifestyle book Find Your Path in 2020.