Who sold more records iron maiden or Carrie Underwood?

Carrie Underwood has sold over 65 million records worldwide, making her one of the best-selling country music artists of all time. However, Iron Maiden is a heavy metal band that has sold more than 100 million copies of their albums worldwide, making them one of the best-selling heavy metal bands of all time. Therefore, Iron Maiden has sold more records than Carrie Underwood.