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Generation Z (or Gen Z for short), colloquially known as Zoomers, is the demographic cohort succeeding Millennials and preceding Generation Alpha.. Members of Generation Z were born between the mid-to-late 1990s and early 2010s, meaning the first wave came of age during the second decade of the twenty-first century, a time of significant demographic change due to fertility differentials and ...
Terminology and etymology. Authors William Strauss and Neil Howe, who created the Strauss–Howe generational theory, coined the term 'millennial' in 1987. because the oldest members of this demographic cohort came of age at around the turn of the third millennium A.D. They wrote about the cohort in their books Generations: The History of America's Future, 1584 to 2069 (1991) and Millennials ...
Geodemography is the study of people based on where they live [citation needed]; it links the sciences of demography, the study of human population dynamics, and geography, the study of the locational and spatial variation of both physical and human phenomena on Earth, [1] along with sociology. It includes the application of geodemographic ...
Source–sink dynamics is a theoretical model used by ecologists to describe how variation in habitat quality may affect the population growth or decline of organisms . Since quality is likely to vary among patches of habitat, it is important to consider how a low quality patch might affect a population. In this model, organisms occupy two ...
Demographic statistics are measures of the characteristics of, or changes to, a population. Records of births, deaths, marriages, immigration and emigration and a regular census of population provide information that is key to making sound decisions about national policy. A useful summary of such data is the population pyramid.
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.
In solid-state physics, crystal momentum or quasimomentum is a momentum -like vector associated with electrons in a crystal lattice. [2] It is defined by the associated wave vectors of this lattice, according to. (where is the reduced Planck's constant ). [3] : 139 Frequently [clarification needed], crystal momentum is conserved like mechanical ...
Definition. The term MSI is defined in US federal statute under the Higher Education Act (HEA), and several federal agencies maintain a listing of eligible institutions that receive HEA funding designated for MSIs, such as the U.S. Department of Education and the National Science Foundation. Most MSIs qualify for federal funding based on annual ...