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Population ageing. Population ageing is an increasing median age in a population because of declining fertility rates and rising life expectancy. Most countries have rising life expectancy and an ageing population, trends that emerged first in developed countries but are now seen in virtually all developing countries.
Aging has a significant impact on society. People of different ages and genders tend to differ in many aspects, such as legal and social responsibilities, outlooks on life, and self-perceptions. Young people tend to have fewer legal privileges (if they are below the age of majority), they are more likely to push for political and social change ...
t. e. Ageism[ 1 ][ 2 ][ 3 ] is a type of discrimination based on one's age, generally used to refer to age based discrimination against the elderly. The term was coined in 1969 by Robert Neil Butler to describe this discrimination, building on the terminology of sexism and racism. [ 4 ]
By 2013, the over-65 population had grown to equal the under-5 population and is projected to double the under-5 population by 2050. [ 163 ] Before the surge in the over-65 population, accidents and disease claimed many people before they could attain old age, and health problems in those over 65 meant a quick death in most cases.
Gerodiversity. Gerodiversity is the multicultural approach to issues of aging. This approach provides a theoretical foundation for the medical and psychological treatment of older adults within an ecological context that includes their cultural identity and heritage, social environment, community, family system, and significant relationships. [1]
A number of health problems become more prevalent as people get older. These include mental health problems as well as physical health problems, especially dementia. It has been estimated that population ageing only explains 0.2 percentage points of the annual growth rate in medical spending of 4.3% since 1970.
The ageing of Europe, also known as the greying of Europe, is a demographic phenomenon in Europe characterised by a decrease in fertility, a decrease in mortality rate, and a higher life expectancy among European populations. [1] Low birth rates and higher life expectancy contribute to the transformation of Europe's population pyramid shape.
Evolution of ageing. Enquiry into the evolution of ageing, or aging, aims to explain why a detrimental process such as ageing would evolve, and why there is so much variability in the lifespans of organisms. The classical theories of evolution (mutation accumulation, antagonistic pleiotropy, and disposable soma) [1][2][3] suggest that ...