Taylor Swift tops the 20 million mark in overall album sales this week. Among female country artists, she's in fourth place behind Shania Twain (34,244,000), Reba McEntire (30,102,000) and LeAnn Rimes (20,493,000). Swift just this week pulls ahead of Faith Hill, who is in fifth place with 20,105,000. Note: McEntire sold millions more albums between October 1977, when her first album came out, and 1991, when Nielsen SoundScan began tracking sales for Billboard.