North America - Katy Perry, Taylor Swift
South America - Shakira
Oceania - Pink, Katy Perry
Europe - Rihanna
Asia - Mariah Carey
Africa - Rihanna?
Antarctica - Frozen
Beyoncé is the Queen of the US. She and Taylor are both very successful here (and if we were simply looking at stats, then I'd go with Taylor), but Beyoncé literally has the respect of the entire country and just about every publication that comments on pop culture.
Oceania is the collective name for the lands of the Pacific Ocean, including Melanesia, Micronesia, and Polynesia. Oceania is a convenient way to name these areas, which, with the exception of Australia, are not part of any continent. But Oceania itself is not a continent.
Beyoncé is the Queen of the US. She and Taylor are both very successful here (and if we were simply looking at stats, then I'd go with Taylor), but Beyoncé literally has the respect of the entire country and just about every publication that comments on pop culture.
Beyonce is always front cover of the newspaper in New York. Like she's a huge deal.
North America: Taylor Swift
South America: Shakira
Asia: Mariah Carey/Avril Lavigne/Lady Gaga
Europe: Rihanna
Africa: Rihanna
Australia: P!nk/Katy Perry
Antarctica: Queen Elsa
Madonna is undoubtedly the Queen of Europe. She's not only the top selling female but also the top selling solo artist. Also the single stats don't lie nor do the tour stats.
South America too, she's the most successful international female, she has sold 6M albums in Brazil the most for any international female artist.