According to Inmobi Research Insights :Today ﬁfteen emerging markets account for more mobile subscriptions than the rest of the world combined and this trend will continue over the next ﬁve years. These markets are
China, India, Indonesia,
South Africa, Nigeria, Egypt, Turkey, Israel, Saudi Arabia,
Brazil, Mexico, Argentina, Russia, Poland and Ukraine.
Due to the sheer volume of mobile subscriptions in these markets, and continuing mobile penetration, they offer substantial investment opportunities for the telecom and advertising industries