The best-selling country musicians of all time

Morgan Wallen recently joined the ranks at No. 16. Christopher Polk/Penske Media/Getty Images The best-selling country artists of all time include Elvis Presley, Tim McGraw, and Shania Twain. We used the RIAA's data to compile this list based on total album units sold in the US. Four artists on this list debuted this century: Carrie Underwood, Taylor Swift, Luke Bryan, and Morgan Wallen. Did you know two of the top three best-selling musicians of all time are country music artists? Garth Br...