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"Mil millones" is a plural noun which is often translated as "billion", and "billón" is a noun which is often translated as "trillion". Learn more about the difference between "mil millones" and "billón" below.
los mil millones(
meel
 
mee
-
yoh
-
nehs
)
A plural noun indicates that there is more than one person, place, thing, or idea.
plural noun
a. billion
El año pasado, el gobierno gastó más de mil millones de dólares en equipamiento militar.Last year, the government spent over a billion dollars in military equipment.
b. a thousand million
Los habitantes de China superan los mil millones.The population of China is greater than a thousand million.
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el billón(
bee
-
yohn
)
A masculine noun is used with masculine articles and adjectives (e.g., el hombre guapo, el sol amarillo).
masculine noun
a. trillion
La deuda externa ascendió a un billón de pesos.The foreign debt has increased to a trillion pesos.
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