Worldwide International Telecom Bandwidth Growth 2009-2013
Private network bandwidth grew at a compounded rate of 55 percent annually between 2009 and 2013, while international Internet bandwidth grew 44 percent. Private networks accounted for 25 percent of used international bandwidth in 2013, up from 20 percent in 2009.
Demand for international bandwidth grew 39 percent to 138 Tbps in 2013 — that’s a 4.5-fold increase from the 30 Tbps of bandwidth used globally in 2009.
via TeleGeography