Age and sex structure of population. Impact of Age, Sex & Cause Structure on Mortality Levels 2022-12-17
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The age and sex structure of a population, also known as the demographic structure, is an important aspect of a society that can have significant impacts on various aspects of life, including economic development, social cohesion, and cultural norms. The distribution of individuals within a population by age and sex can provide valuable insights into the current and future needs and challenges of a society.
One way to understand the age and sex structure of a population is through the use of age-sex pyramids. These graphical representations show the distribution of individuals within a population by age and sex, with males typically shown on the left and females on the right. The horizontal axis represents age, while the vertical axis represents the number of individuals in each age group. The shape of the age-sex pyramid can vary depending on the specific characteristics of a population.
For example, a population with a high fertility rate and a relatively young age structure will typically have a pyramid shape that is wide at the base and narrow at the top, indicating a larger proportion of young individuals. On the other hand, a population with a low fertility rate and an aging population will have a pyramid shape that is narrow at the base and wide at the top, indicating a larger proportion of older individuals.
There are several factors that can influence the age and sex structure of a population. These include fertility and mortality rates, migration patterns, and cultural and societal norms. For example, a country with high fertility rates and low mortality rates is likely to have a younger population with a larger proportion of children and young adults. On the other hand, a country with low fertility rates and high mortality rates is likely to have an aging population with a larger proportion of elderly individuals.
The age and sex structure of a population can also have important implications for economic development and social cohesion. A younger population with a large proportion of working-age individuals can be a major driver of economic growth and development, as there is a larger pool of labor available to contribute to the economy. On the other hand, an aging population with a large proportion of elderly individuals can put pressure on social welfare systems and healthcare systems, as these groups may require more support and resources.
In conclusion, the age and sex structure of a population is an important aspect of a society that can have significant impacts on various aspects of life. Understanding the distribution of individuals within a population by age and sex can provide valuable insights into the current and future needs and challenges of a society.
Age, Sex, Population Structure Flashcards
In the first place, indices of the population'sage and sex structure play an important part in thesystem of indices of the plan for the development of the economicand cultural life of our socialist society. In fact, there has been a continual decrease in mortality rates since 1850, something that scientists call the mortality shift. On top of these things, there's been one other change that's pretty nice. There, farming in rural areas remains largely a masculine occupation. Or, the number can stand for a percentage of the population at that age—how many percent of the entire population are of a certain age. Lesson at a Glance Due to advances in medicine and technology, mortality rates have seen a continual decrease since 1850--something known as the mortality shift.
But it has affected different segments of the population in different ways. While women in many societies in the 1850s may have been expected to have as many children as physically possible, that is no longer the case. Higher age specific mortality rates for males than females in every age group from birth b. Smaller families reduce the physical risk of childbirth, and as a result, we see the mortality rate decline, especially for women within childbearing age. As Japan's age-sex pyramid shows, the country has a huge number of elderly and middle-aged adults.
Impact of Age, Sex & Cause Structure on Mortality Levels
Cardboard was developed - very useful. In the western countries, there is an influx of females from rural areas to avail of the vast employment opportunities in urban areas. A period when the main cause of death changes is called an epidemiological transition. We may take the youngest segment of the population at the base, and move on to the older segments till the oldest comes at the top. People are living longer b.
The Importance of Data on the Age and Sex Structure of the Population: Problems in Economics: Vol 12, No 11
By implication, during childhood males outnumber females of the same age; the different decreases as age increases; at some point in the adult life span, the numbers of males and females become equal; as higher ages are reached, the number of females becomes quite large. On the other hand, it is quite common for males to experience higher The general rules that more males are born but that females experience lower mortality mean that during childhood males outnumber females of the same age, the difference decreases as the age increases, at some point in the adult life span the numbers of males and females become equal, and as higher ages are reached the number of females becomes disproportionately large. The baby boomers will be in the elderly age groups c. Populations will grow even after the rate of natural increase reaches zero d. The working age population grows more than the dependent population, potentially increasing productivity In the United States, population projections reveal a major increase in the proportion of the elderly over 65 population in the next 30 years because: a. ADVERTISEMENTS: There are three types of age structures, viz.
But the rate of growth of urban areas has shown a great increase. Sex is another important division, with various biological and social factors leading to different mortality rates. For a long time now, there has been a nearly universal flow of population from rural into urban areas. The sex composition of the population in India is a matter of concern, being much lower than 950 for a long time. The percentage of rural population is higher in farm-based agricultural countries, while industrially, developed regions have higher share of urban population.
For example, as new medicine decreases the infection rate of one disease, attention shifts to another disorder that causes high mortality rates. Please make sure you have read our A description of the modelling methods used for age and sex structures can be found in Both top-down 'unconstrained' and 'constrained' versions of the datasets are available, and the differences between the two methods are outlined. There are no universally accepted categories of race c. This growth rate is reflected in the more square-like structure of the pyramid. Factors influencing the sex ratio are, mainly, the differentials in mortality, sex selective migration, and sex ratio at birth and, at times, the sex differential in population enumeration.
Population: Age Structure, Sex Composition and Rural
Since the 1850s, technological and medical advancements have changed the main cause of death several times. The population of school age children increases, leading to a potential increase in productivity in the long run b. The distribution of the population by sex and age is one of the most important demographic groupings. There are also cultural factors that go into the changing mortality rates for men versus women. This indicates a large population of infants and children, which declines toward the top of the pyramid due to the death rate. Age Structure: The age structure of a population refers to the number of people in different age groups. It's not like these people suddenly went on an all-hamburger diet.
However, in the late 19th-century, researchers developed vaccines, and infection stopped being the most common cause of death. Demographers use population pyramids to describe age distribution of populations. The older age structures are those of low-fertility populations, more common to the industrialised nations. Right up there with the invention of soda pop, air conditioning, and online education! The major loss of males in the population in World War II c. Rural-Urban Composition: The division between rural and urban areas is significant in terms of geographical distribution of population. In the western countries, reverse is the case.
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