YL13 p. 119 Talking about age

you can use x-year-old as an adjective, before a noun.

• 47-year-old man (NOT 47 years old man)

• a group of 15-year-olds (NOT a group of 15 years old)

• My niece is 12 years old.

• Most children start school at the age of five.

• Children under 16 years of age must be accompanied. (quite formal)

a noun + aged x

• People aged 18 to 24 (NOT people of age 18 to 24)

• the 18 to 24 age group

• My niece is 12 years old.

• Most children start school at the age of five.

• Children under 16 years of age must be accompanied. (quite formal)

The + x age + noun

• People aged 18 to 24 (NOT people of age 18 to 24)

• the 18 to 24 age group

• My niece is 12 years old.

• Most children start school at the age of five.

• Children under 16 years of age must be accompanied. (quite formal)

You can use x-year-old(s) as a noun to refer to a person of that age.

• 47-year-old man (NOT 47 years old man)

• a group of 15-year-olds (NOT a group of 15 years old)

• My niece is 12 years old.

• Most children start school at the age of five.

• Children under 16 years of age must be accompanied. (quite formal)

You can also say someone is x years old (without hyphens).

• 47-year-old man (NOT 47 years old man)

• a group of 15-year-olds (NOT a group of 15 years old)

• My niece is 12 years old.

• Most children start school at the age of five.

• Children under 16 years of age must be accompanied. (quite formal)

at + the age of x

• 47-year-old man (NOT 47 years old man)

• a group of 15-year-olds (NOT a group of 15 years old)

• My niece is 12 years old.

• Most children start school at the age of five.

• Children under 16 years of age must be accompanied. (quite formal)

(under/over +) x years of age

• 47-year-old man (NOT 47 years old man)

• a group of 15-year-olds (NOT a group of 15 years old)

• My niece is 12 years old.

• Most children start school at the age of five.

• Children under 16 years of age must be accompanied. (quite formal)

over or above the age of x ?

• People aged 18 to 24 (NOT people of age 18 to 24)

• the 18 to 24 age group

• My niece is 12 years old.

• "over the age of 60" is more frequently used than "above the age of 60".

• Children under 16 years of age must be accompanied. (quite formal)

x and above or over ?

• People aged 18 to 24 (NOT people of age 18 to 24)

• the 18 to 24 age group

• My niece is 12 years old.

• "over the age of 60" is more frequently used than "above the age of 60".

• "60 and above" is more frequently used than "60 and over".