Search results
Results from the WOW.Com Content Network
Demographic history is the reconstructed record of human population in the past. Given the lack of population records prior to the 1950s, there are many gaps in our ...
Historical demography is the quantitative study of human population in the past. It is concerned with population size, with the three basic components of population change (fertility, mortality, and migration), and with population characteristics related to those components, such as marriage, socioeconomic status, and the configuration of families.
A population history of the United States (Cambridge University Press, 2012) excerpt [permanent dead link ] Lahey, Joanna N. "Birthing a Nation: The Effect of Fertility Control Access on the Nineteenth-Century Demographic Transition," Journal of Economic History, 74 (June 2014), 482–508.
The median age of the total population as of 2021 is 38.8 years; the male median age is 37.7 years; the female median age is 39.8 years. [52] Median age of the U.S. population through history. Source: U.S. Department of Commerce. Bureau of Census, United States Census Bureau and The World Factbook. [63] [64]
The Demography of the World Population from 1950 to 2100. Data source: United Nations — World Population Prospects 2017. Demography (from Ancient Greek δῆμος (dêmos) 'people, society' and -γραφία (-graphía) 'writing, drawing, description') [1] is the statistical study of human populations: their size, composition (e.g., ethnic group, age), and how they change through the ...
Graph of world population over the past 12,000 years . As a general rule, the confidence of estimates on historical world population decreases for the more distant past. Robust population data exist only for the last two or three centuries. Until the late 18th century, few governments had ever performed an accurate census.
The urban population jumped from 29% in 1950 to 55.3% in 2018. [6] [7] Interpolating from the United Nations prediction that the world will be 51.3 percent urban by 2010, Ron Wimberley, Libby Morris and Gregory Fulkerson estimated 23 May 2007 would have been the first time the urban population was more populous than the rural population in ...
The population of Australia is estimated to be 27,586,100 as of 28 December 2024. [11] It is the 54th [12] most populous country in the world and the most populous Oceanian country. Its population is concentrated mainly in urban areas, particularly on the Eastern, South Eastern and Southern seaboards, and is expected to exceed 30 million by ...