TeleGeography published its 2012 Submarine Cable Map, showing more than 150 cable systems that are currently active or due to enter service by 2014. According to TeleGeography, the trans-Atlantic remains the largest submarine cable route by far, with 16.2 Tbps of lit capacity at year-end 2011, followed by the trans-Pacific with 12.5 Tbps of lit capacity.
http://www.telegeography.com/telecom-maps/submarine-cable-map/index.html
