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Middle age (or middle adulthood) is the age range of the years halfway between childhood and old age. [1] The exact range is subject to public debate , but the term is commonly used to denote the age range from around 40 to around 65 years.
In just 60 years that total has grown to over 35 million people. This rise in population and life expectancy had shined a light on the manifestation of development throughout adulthood. [12] Changes in adulthood have been described by several theories and metatheories, which serve as a framework for adult development research.
Most legal systems define a specific age for when an individual is allowed or obliged to do particular activities. These age specifications include voting age, drinking age, age of consent, age of majority, age of criminal responsibility, marriageable age, age of candidacy, and mandatory retirement age.
About 3% of people between the ages of 65 and 74, 19% of those between 75 and 84, and nearly half of those over 85 years old have dementia. [52] The spectrum ranges from mild cognitive impairment to the neurodegenerative diseases of Alzheimer's disease , cerebrovascular disease , Parkinson's disease and Lou Gehrig's disease .
In contrast, perceptions of old age by writers 80+ years old tend to be negative. [98] Georges Minois [Wikidata] writes that the first man known to talk about his old age was an Egyptian scribe who lived 4,500 years ago. The scribe addressed God with a prayer of lament: [99]: 14 O Sovereign my Lord! Oldness has come; old age has descended.
Ages 0 to 14 years: children. Ages 15 to 64 years: working population or adults. Over the age of 65: elderly, senior citizens. The age structure of a country has a strong impact on society and the economy. If the proportion of 0–14-year-olds is very high, there may be a so-called youth bulge. If, on the other hand, the proportion of over 65 ...
Early adulthood 20–44 years [15] Love: Intimacy vs. Isolation: Friends, Partners: Can I unite myself with another person? Romantic relationships Middle adulthood 45–64 years [16] Care: Generativity vs. Stagnation: Household, Workmates: Can I make my life count? Work, parenthood Late adulthood 65 and above [17] Wisdom: Ego Integrity vs ...
Currently, the median age ranges from a low of about 18 or less in most Least Developed countries to 40 or more in most European countries, Canada, Cuba, Hong Kong, Japan, South Korea, Taiwan, and Thailand.