Mobile users the world over came close to doubling their mobile data consumption between 2012 and 2013 as average monthly usage peaked well over 1 GB in the U.S, and several other countries, according to Cisco Systems'(s csco) new Visual Networking Index report on global mobile data trends.

North America led the pack with the average mobile subscriber consuming 1.38 GBs a month, up from 752 MBs in 2012 and a full gigabyte more than the average global usage of 356 MBs. When looking at individual countries, Japanese users led the world with 1.87 GBs, followed by the U.S. at 1.41 GBs and South Korea with 1.25 GBs.

Those three countries happen to be the first to launch LTE networks on a large scale, and according to Cisco director of service provider marketing Thomas Barnett, 4G adoption has become the strongest indicator of skyrocketing mobile broadband use worldwide, a conclusion…