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The median age is the index that divides the entire population into two numerically equal age groups, one younger than that age and the other older than that age. It is the only index associated with the age distribution of a population. [1]
China's population pyramid, 2023 to 2100, as projected by the United Nations in 2022. China's population is aging faster than almost all other countries in modern history. [1] [2] In 2050, the proportion of Chinese over retirement age will become 39 percent of the total population according to projections.
This is a list of the oldest living people who have been verified to be alive as of the dates of the cited supporting sources. It was estimated in 2015 that between 150 and 600 living people had reached the age of 110. [1]
China's fertility rate is lower than Japan's and is aging faster than almost every other country in modern history. [110] More than a third of the world's elderly (65 and older) live in East Asia and the Pacific, and many of the economic concerns raised first in Japan can be projected to the rest of the region. [111] [112]
How the age of a Korean person, who was born on June 15, is determined by traditional and official reckoning. Traditional East Asian age reckoning covers a group of related methods for reckoning human ages practiced in the East Asian cultural sphere, where age is the number of calendar years in which a person has been alive; it starts at 1 at birth and increases at each New Year.
Such records can only be determined to the extent that the given country's records are reliable. Comprehensive birth registration is largely a 20th-century phenomenon, so records establishing human longevity are necessarily fragmentary. The earliest comprehensive recordkeeping systems arose in Western Europe.
This list of countries by life expectancy provides a comprehensive list of countries alongside their respective life expectancy figures. The data is differentiated by sex, presenting life expectancies for males, females, and a combined average.
Genetic analysis also indicated that Longlin is more closely related to Ikawazu (ca. 2,700 BP; Ikawazu Shell Midden site (伊川津貝塚), Atsumi Peninsula, southern Aichi Prefecture, central Honshu, Japan), a Jomon individual, than to basal Asian lineages such as Hoabinhian. Longlin, Ikawazu, and coastal Neolithic East Asians from Shandong ...