WOW.com Web Search

Search results

  1. Results from the WOW.Com Content Network
  2. Leslie matrix - Wikipedia

    en.wikipedia.org/wiki/Leslie_matrix

    The stable age-structure is determined both by the growth rate and the survival function (i.e. the Leslie matrix). [5] For example, a population with a large intrinsic growth rate will have a disproportionately “young” age-structure. A population with high mortality rates at all ages (i.e. low survival) will have a similar age-structure.

  3. Age stratification - Wikipedia

    en.wikipedia.org/wiki/Age_stratification

    Age stratification could also be defined as a system of inequalities linked to age. In Western societies, for example, both the old and the young are perceived and treated as relatively incompetent and excluded from much social life. Age stratification based on an ascribed status is a major source inequality, and thus may lead to ageism. [2]

  4. Population pyramid - Wikipedia

    en.wikipedia.org/wiki/Population_pyramid

    Population pyramid. A population pyramid (age structure diagram) or " age-sex pyramid " is a graphical illustration of the distribution of a population (typically that of a country or region of the world) by age groups and sex; it typically takes the shape of a pyramid when the population is growing. [1] Males are usually shown on the left and ...

  5. Demographic transition - Wikipedia

    en.wikipedia.org/wiki/Demographic_transition

    The age structure of such a population is illustrated by using an example from the Third World today. Stage three In Stage 3 of the Demographic Transition Model (DTM ...

  6. List of countries by age structure - Wikipedia

    en.wikipedia.org/wiki/List_of_countries_by_age...

    Over the age of 65: elderly, senior citizens. The age structure of a country has a strong impact on society and the economy. If the proportion of 0–14-year-olds is very high, there may be a so-called youth bulge. If, on the other hand, the proportion of over 65 is very high, the social systems of a country can be heavily burdened.

  7. Social class in the United States - Wikipedia

    en.wikipedia.org/wiki/Social_class_in_the_United...

    The median wealth of married couples exceeds that of single individuals, regardless of gender and across all age categories. [11]It is impossible to understand people's behavior…without the concept of social stratification, because class position has a pervasive influence on almost everything…the clothes we wear…the television shows we watch…the colors we paint our homes in and the ...

  8. Demographic dividend - Wikipedia

    en.wikipedia.org/wiki/Demographic_dividend

    Demographic dividend. Demographic dividend, as defined by the United Nations Population Fund (UNFPA), is "the economic growth potential that can result from shifts in a population’s age structure, mainly when the share of the working-age population (15 to 64) is larger than the non-working-age share of the population (14 and younger, and 65 ...

  9. This simple log structure may be the oldest example of early ...

    www.aol.com/news/simple-log-structure-may-oldest...

    The log structure was made at least 476,000 years ago, while the wood tools are slightly younger, under 400,000 years old. That places the materials in a time before our species, Homo sapiens ...