population pyramid

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pop·u·la·tion pyr·a·mid

graphic representation of the age and gender composition of a population, constructed by computing the percentage distribution of the population in each age and sex class.
Farlex Partner Medical Dictionary © Farlex 2012
References in periodicals archive ?
The hypotheses to be tested are: 1) that regional age distribution is a significant determinant of the total business establishments in Canada; 2) that there is an inverse U-shaped relationship between age cohort and total establishments in ten Canadian provinces; and 3) that there exists age-specific peer effects in aggregate business activities in Canada.
Age distribution in current study was 87% between 15-30 years, which was comparable with studies by Dawson and Dellavalle3 and Bhate and Williams11 which showed age distribution around puberty in acne vulgaris.
A similar shift in age distribution was also reported during the emergence of norovirus GII.17 Kawasaki variant in Hong Kong and Shanghai in the winter of 2014-2015 (8,14).
The medical records of patients treated for midfacial fractures from February 2010 to January 2015 were analyzed for gender, age distribution, Cause of fractures, frequency and type of injury.
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.
We selected the CRF from the Vancouver study, because it was estimated from a network of measurements reflective of fine-scale spatial variation heavily influenced by roadway sources, and was derived for a similar age distribution and for CHD outcomes comparable to the CRFs for other NRAP indicators used in this analysis.
In Figure 4, we also present the writers' age distribution. We remind the reader that in this layer each point represents a writer, described by 14 features:
The changes in age distribution of newly detected cases, shown in Figures 3 and 4, are entirely consistent with a dramatic decline in M.
As regards age distribution, at present 14,1% of Bulgariaas population are in the age group 0-14, with 58.9% in the age group 15-59, 26,9% aged 60+, and 4.5% aged 80+.
Concerning the age distribution of deaths, 13 of the workers who lost their lives were between the ages of 18 and 27.
We exploit temporal and geographic demographic variation to estimate the relationship between a population's age distribution and carbon dioxide (C[O.sub.2]) emissions in a panel of 46 countries from 1990 to 2006.
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.