Global mobile data traffic grew 69% in 2014, reaching 2.5 exabytes per month. Smartphones accounted for the majority (88%) of the nearly 500 million new mobile connections added. Mobile video traffic exceeded 50% of total traffic for the first time in 2012 and grew to 55% by the end of 2014. The document projects that global mobile data traffic will increase nearly tenfold between 2014 and 2019, reaching 24.3 exabytes per month driven primarily by increased smartphone and mobile video usage.