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Age stratification could also be defined as a system of inequalities linked to age. In Western societies, for example, both the old and the young are perceived and treated as relatively incompetent and excluded from much social life. Age stratification based on an ascribed status is a major source inequality, and thus may lead to ageism. [2]
Older people have different requirements from society and government, and frequently have differing values as well, such as for property and pension rights. [1] Older people are also more likely to vote, and in many countries the young are forbidden from voting. Thus, the aged have comparatively more, or at least different, political influence. [2]
Old-age dependency ratio as of 2017 [9] This chart depicts the old age dependency ratio in the US [10] A high dependency ratio can cause serious problems for a country if a large proportion of a government's expenditure is on health, social security & education, which are most used by the youngest and the oldest in a population.
This rule implies that the younger individual should be at least 14 years older than the difference between the two ages [90] and the older individual should be at least 14 years older than twice their age difference. [91] For example, a couple with a 10-year age gap must be aged at least 24 and 34 respectively for the rule to be met.
The concept of adulthood has legal and socio-cultural definitions. The legal definition [4] of an adult is a person who is fully grown or developed. This is referred to as the age of majority, which is age 18 in most cultures, although there is a variation from 15 to 21. The typical perception of adulthood is that it starts at age 20 or 21.
Old age is the range of ages for people nearing and surpassing life expectancy. People who are of old age are also referred to as: old people, elderly, elders, senior citizens, seniors or older adults. [1] Old age is not a definite biological stage: the chronological age denoted as "old age" varies culturally and historically. [2]
Geriatric psychology is a subfield of psychology that specializes in the mental and physical health of individuals in the later stages of life.These specialized psychologists study a variety of psychological abilities that deplete as aging occurs such as memory, learning capabilities, and coordination.
Quizlet was founded in October 2005 by Andrew Sutherland, who at the time was a 15-year old student, [2] and released to the public in January 2007. [3] Quizlet's primary products include digital flash cards , matching games , practice electronic assessments , and live quizzes.