Aging is known as changes, process of growth and development of living organisms. Aging refers to multidimensional process of physical, psychological and social change. Dimensions of aging grow and expand over time. Physical reactions may slow down with age, while knowledge of world events and wisdom may expand. The aging has been divided as young old (65-74), the middle old (75-84) and the oldest one (aged and above 85).

Population and Aging

The number and the proportion of older people in the society are getting increased each day. The causes are migration, longer life expectancy and decreased birth rate. Comparing to young people they have different requirements from society and government. They have more political influences too.

Lifespan of a Human

Human lives have divided into various ages due to biological changes. It varies from person to person. In USA, old age is considered to begin at the age of legal retirement, approximately 65 years. Human age is also divided by decades.

(more…)