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Age period

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Age period  (AGE period)


In demography, certain terms which have been taken from everyday language are used to denote different age periods1, though without precision. At the beginning of life comes childhood2. In general a child3 is a person who has not yet attained puberty (620-2). In the very early days of life, the child is called new-born4. A child at the breast5 is a child who has not yet been weaned from its mother. The term infant6 or baby6 may be used to denote a child who has not reached his first birthday, though in colloquial language it may be applied to slightly older children. Children who have not yet reached the compulsory school age are called pre-school children7, a school child8 is a child who habitually attends school.

  • 6. infant n. — infancy n., the period of being an infant —. infantile adj. In legal terminology, an infant is a person who has not yet attained his majority, generally a person under 21 years of age, who is often called a minor.


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