Why every countries have less aircraft carrier (example USA have 11)?

aircraft carrier, , associated battlegroup perhaps single expensive piece of military hardware on planet in terms of construction , continuing operating costs.

countries in world cannot afford carrier. can, can barely afford 1 , of carriers not what's termed "supercarriers" refurbished old ww2 designs, or barely deserving term "carrier". in fact, of carriers in other countries, not called such usn standards.... they'd lph's, type of amphibious assault ship or "gator freighter" capable of handling helicopters or v/stol aircraft harrier.

usn carrier group more equivalent firepower 90% of rest of countries armies, navies,and airforces.... combined.

while in navy love have more 11 have now. reality usa stretched thin in trying cover costs of 11 groups. , 11 many times more other country now. why should more, other "nice have".

update:
dexter?
25 million carrier? nice know people don't know talking can act though do. isn't it?
if carriers cost 25 million apiece... we'd have 50-60 carriers.
let me clue in sherlock. planes cost much. hell missiles planes carry cost much. you'd have been closer mark had inserted decimal place , changed million billion. 2.5 billion closer reality.

i confused usa have best technique why not increase aircraft carrier quantities or other countries
cost of making aircraft carrier

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