The Frigate ship type is a multi-role, general purpose ocean-going vessel utilized for fleet surface ship protection against enemy surface combatants or incoming aerial threats. Frigates are outfitted with advanced sonar, sensory and tracking systems that allow her crew to hunt down enemy submarines. Nearly all notable naval powers make use of the multi-role frigate in their inventory.
For the purposes of the GFP final ranking, landlocked nations are NOT penalized for the lack of a standing naval force. However, nations with a standing navy ARE penalized for lack of certain naval assets.
Frigates strength data through 2016.
Sources: CIA.gov, CIA World Factbook, wikipedia.com, public domain print and media sources and user contributions. Some values may be estimated when official sources are lacking.