Rihanna has just announced that Can't Remember to Forget is being released on 13th January. It is very obvious that Rihanna is the more successful artist in English-speaking countries and gifting Shakira a successful lead single, but what about other countries around the world? Who triumphs the other in Africa? Far East? Middle East? Islands? Latin countries? Middle and Eastern Europe? etc. Take popularity, impact, iconic songs and touring into consideration.