population pyramid

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Related to Age Distribution: Population pyramid

population pyramid

n
(Sociology) a pyramid-shaped diagram illustrating the age distribution of a population: the youngest are represented by a rectangle at the base, the oldest by one at the apex

population pyramid

A diagram showing successive age groups as a pyramid of horizontal bars. Each bar’s length shows the relative size of one age group.
Translations

population pyramid

npiramide f d'età
References in periodicals archive ?
It is unknown how changes in the maternal age distribution in the United States have affected preterm birth rates.
Teacher age The age distribution of teachers varies considerably across countries and can be affected by a variety of factors, such as the size and age distribution of the population, the duration of tertiary education and teachers' salaries and working conditions.
As regards age distribution, at present 14,1% of Bulgariaas population are in the age group 0-14, with 58.
We exploit temporal and geographic demographic variation to estimate the relationship between a population's age distribution and carbon dioxide (C[O.
We also used the growth curves to determine the age distribution of Inflated Heelsplitters in the Amite River.
After an overview of cancer and its theories, classification, causes, epidemiology, diagnosis, pathology, and selected types and symptoms, chapters describe the etiology, signs and symptoms, epidemiology, sex and age distribution, pathology, staging, and individual cancers of the oral cavity; proliferative and apoptotic signaling in oral cancer; apoptotic regulations; the dynamics of the apoptotic marker p53 in oral cancer and how its dysregulation plays a role in cancer growth; the diagnostic and therapeutic potential of p53; the expression, regulation, and therapeutics of the anti-apoptotic protein survivin; and the molecular diagnosis of oral cancer.
The marked shift in the maternal age distribution of ex-nuptial births away from teenagers since the early 1970s (Table 1) also leaves little doubt that this is the case.
This has brought about major changes in the age distribution of the population in the country.
They also considered differences in age distribution and poverty rates, both across states and over time, because housing wealth effects tend to be larger in state-years with high proportions of young and old people, and in state-years with higher poverty rates.
Natural deaths tend to show a dispersed age distribution at burial sites.
Other regions with cases, central-west and northern, reported no substantial change in age distribution compared with earlier years.