Each military power detailed on GlobalFirepower.com is judged on individual, as well as some collective, factors when it comes to waging a prolonged campaign against another party. The numbers available for a given nation are calculated through an in-house formula that produces the PwrIndx (PowerIndex) score. This is used to establish the final GFP ranking. Some values presented are estimates when official numbers are not available. This is particularly notable for closed-off nations such as North Korea. Otherwise official/semi-official reporting numbers are used and bonuses / penalties are added in to further refine the list from year-to-year. Also consider viewing the notes at the bottom of this entry.
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66 Yemen (YEM)Yemen is ranked 66 (out of 136) out of the countries currently considered for the annual GFP review. It holds a PwrIndx rating of 1.0434. (0.0000 being perfect)
Manpower - Going beyond military equipment totals and perceived fighting strength is the actual manpower that makes up a given military force. Wars, particularly those with high attrition, traditionally favor those with more manpower.
- Includes both fixed-wing
and rotary-wing (helicopter)
aircraft from all branches of service (Air Force, Navy, Army). Air power is just one important component of a modern military force. Attack Aircraft represent both fixed-wing and dedicated forms as well as light strike types (some basic and advanced trainers are designed from the outset to fulfill this role). Some fighter warplanes can double as attack types (as in Multirole Fighters). Transport and Trainer aircraft include both fixed-wing and rotary-wing types. The more versatility an air service can promote, the better its in-the-field experience can be. EXTERNAL LINK: Aircraft throughout the military history of Yemen
- Tank value includes Main Battle Tanks (MBTs)
and light tanks (a few global operators still rely on such types) as well as those vehicles considered "tank destroyers" (whether wheeled or tracked). There is no distinction made between all-wheel and track-and-wheel designs. Armored Fighting Vehicle (AFV) value includes Armored Personnel Carriers (APCs)
as well as Infantry Fighting Vehicles (IFVs) as these defined battlefield roles become more-and-more blurred over time. EXTERNAL LINK: Armor and Artillery throughout the military history of Yemen
- Aircraft Carrier
value includes both traditional aircraft carriers as well as "helicopter carrier" warships (the latter growing in popularity). Cruisers are no longer tracked due to their declining value on the world stage. Submarine values includes both diesel-electric and nuclear-powered types and no distinction is made between conventional-attack and nuclear-attack models. Total Naval Assets is not simply a sum of the presented navy ship category values but instead it includes ALL types such as auxiliary vessels (not tracked individually by GFP). EXTERNAL LINK: Warships and Submarines throughout the military history of Yemen
Natural Resources (Petroleum) - Oil remains the lifeblood of waging war and is as valuable as any one weapon system. As such, it is included as a primary factor in the GFP ranking covered by the values Oil Production, Oil Consumption, and Proven Oil Reserves. High oil consumption can offset oil production/proven reserves and is added as a penalty. Totals are shown as BBL/DY = Barrels Per Day.
Logistics - War is as much a battle of logistics - that is moving man and machine from Point A to Point B - as it is direct combat against one's foe. The GFP ranking in regards to logistics encompasses labor power, merchant strength, and general transportation capabilities of both goods and services. These can all be used to support wartime industry.
Finance - Waging a prolonged campaign goes beyond simple "strength-in-numbers" and relies heavily on many factors - chiefly financing. As such, the GFP ranking takes into account a nation's financial health on the world stage. All values presented in USD ($).
Foreign Exchange / Gold$245,100,000,000
Purchasing Power Parity$68,950,000,000
Geography - The presented geographical-related values below primarily figure into a defensive-minded war (i.e. invasion) and suits the defender. However, these values can also aid a power when responding to such an act by being able to move men, machines, and supplies from depots to the front line.
There are many sources used by GlobalFirepower.com to report the finalized GFP ranking. These include, but are not limited to, CIA.gov, the CIA World Factbook, wikipedia.com, public domain print and media sources as well as industry source contributions. Some values may be estimated when official sources are lacking.
The values showcased above are all considered for the final annual GFP ranking. This end-value is recognized as the "Power Index" (abbrv: "PwrIndx"). PwrIndx scores are judged against a perfect value of "0.0000" which is realistically unattainable due to the number of factors considered per country. Balance is ultimately the key to success - a large, strong fighting force across land, sea, and air backed by a resilient economy and defensible territory along with an efficient infrastructure - such qualities used to round out a particular nation's total fighting strength on paper; in this way it is simply not enough to field a fighting force of 10 million men, 20,000 tanks, or lead the world in oil production for there are many other factors at play in war management.
As stated elsewhere on this site, each nation's final ranking also carries with it bonuses and penalties assessed as needed. Landlocked nations (ex: Austria) are not penalized for lack of a standing navy - though they may suffer a penalty for not maintaining a sizeable Merchant Marine force.
It bears mention that nuclear weapons are NOT taken into account for this listing but those nations recognized (and suspected) as nuclear-capable are given a bonus. Powers are mainly based on conventional weaponry in inventory as well as other factors such as economic strength, border size, self-sustainability (in regards to wartime resources such as oil), water access etc... We have found that this collective approach produces a list that can be useful in ranking the various global military powers.