Despite the potential to change industries and enable unprecedented download speeds on smartphones, 5G has yet to make a difference in the lives of most people on the planet, new research shows. The number of mobile contracts allowing 5G internet speeds around the world varies from 0% in Sub-Saharan Africa to 20% in North America, with the vast majority of mobile phone users still relying on 4G and 3G connections, according to a new communications industry report. However, this is set to change in the next five years, when 5G access and adoption levels explode, the current Ericsson Mobility Re…