Demography as the statistical study of human population with regard to their size & structure, their composition by sex, age, marital status and ethnic origin, and the changes to these population, like changes in their birth rates, death rates and immigration.
Demography is the branch of social size, structure, which deals with the study of size, structure and distribution of populations, along with the spatial and temporal changes in them in response to birth, migration, ageing and death.
In demography the following three elements of population are given special attention:
Change in the size of population (increase or decrease)
Structure of population (on the basis of sex or age groups)
Geographical distribution of population (on the basis of state or territory).
Unit: 6 Demographic Rates and Ratios vital statistics SMVDCoN ,J&K
Rate measures the occurrence of some particular event in a population during a given period of time. It indicates the change in some event that take place in a population over a period of time like death rate or birth rate.A ratio is a relationship between two numbers indicating how many times the first number contains the second.
Demography as the statistical study of human population with regard to their size & structure, their composition by sex, age, marital status and ethnic origin, and the changes to these population, like changes in their birth rates, death rates and immigration.
Demography is the branch of social size, structure, which deals with the study of size, structure and distribution of populations, along with the spatial and temporal changes in them in response to birth, migration, ageing and death.
In demography the following three elements of population are given special attention:
Change in the size of population (increase or decrease)
Structure of population (on the basis of sex or age groups)
Geographical distribution of population (on the basis of state or territory).
Unit: 6 Demographic Rates and Ratios vital statistics SMVDCoN ,J&K
Rate measures the occurrence of some particular event in a population during a given period of time. It indicates the change in some event that take place in a population over a period of time like death rate or birth rate.A ratio is a relationship between two numbers indicating how many times the first number contains the second.
An Insight into the demographic trends of India using various demographic indicators ( Sex Ratio,Dependency Ratio, Urbanization, Family Size, Literacy Rate and Life Expectancy).
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Characteristics of Population PPT covers all the types of Age Distribution Methods,Growth Rates,Population Density,Gender Ratio,Pattern of Distribution ,etc.
An Insight into the demographic trends of India using various demographic indicators ( Sex Ratio,Dependency Ratio, Urbanization, Family Size, Literacy Rate and Life Expectancy).
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Characteristics of Population PPT covers all the types of Age Distribution Methods,Growth Rates,Population Density,Gender Ratio,Pattern of Distribution ,etc.
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These comprehensive slides on demography provide a deep understanding of the science of population dynamics. Covering essential concepts, methodologies, and key demographic indicators, these notes offer insights into the study of population growth, distribution, and composition. Explore topics such as fertility, mortality, migration, and population projections, as well as their implications for society and policy. With this resource, you'll gain a strong foundation in demography, making it an invaluable reference for students, researchers, and anyone interested in the dynamics of human populations.
GEOGRAPHY IGCSE: POPULATION DYNAMICS. It contains: increase in the world's population, over and under population, anti and pro-natalist policies, China's one child policy, France population strategies, Bristol case study.
The French Revolution, which began in 1789, was a period of radical social and political upheaval in France. It marked the decline of absolute monarchies, the rise of secular and democratic republics, and the eventual rise of Napoleon Bonaparte. This revolutionary period is crucial in understanding the transition from feudalism to modernity in Europe.
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Synthetic fiber production is a fascinating and complex field that blends chemistry, engineering, and environmental science. By understanding these aspects, students can gain a comprehensive view of synthetic fiber production, its impact on society and the environment, and the potential for future innovations. Synthetic fibers play a crucial role in modern society, impacting various aspects of daily life, industry, and the environment. ynthetic fibers are integral to modern life, offering a range of benefits from cost-effectiveness and versatility to innovative applications and performance characteristics. While they pose environmental challenges, ongoing research and development aim to create more sustainable and eco-friendly alternatives. Understanding the importance of synthetic fibers helps in appreciating their role in the economy, industry, and daily life, while also emphasizing the need for sustainable practices and innovation.
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This Gasta posits a strategic approach to integrating AI into HEIs to prepare staff, students and the curriculum for an evolving world and workplace. We will highlight the advantages of working with these technologies beyond the realm of teaching, learning and assessment by considering prompt engineering skills, industry impact, curriculum changes, and the need for staff upskilling. In contrast, not engaging strategically with Generative AI poses risks, including falling behind peers, missed opportunities and failing to ensure our graduates remain employable. The rapid evolution of AI technologies necessitates a proactive and strategic approach if we are to remain relevant.
2. AGE SEX PYRAMID
DEF : This is a graphical illustration that outlines the most important
demographic characteristics of population which is the age sex
structure.
It also breaks down the country's or locations population into male
and female genders and age ranges.
4. Features :
1.Consists of two sides,
•The left side representing male population ,
•The right side representing female population
2.The pyramid starts from 0(O), it extends both directions to the left and
to the right respectively increasing in size or the proportion of the
population.
3. Along the vertical axis the pyramids display five year age increment
from birth at the bottom to old age at the top
5. Stage 1: High Birth rates and High Death rates.
High birth rates
•No birth control or family planning
•Many children die in infancy
•Many children born so as to labour for the family.
•Children are regarded as a sign of virility
•Religious beliefs encourage large families
6. High death rates
•Diseases and plagues (bubonic , cholera , kwashiorkor)
•Famine , uncertain food supplies and poor diet
•War
•Poor hygiene no piped water , clean water and no sewage disposal
•Little medical science , high doctor patient ratio.
•Competition for food
For example:
Least
economically
developed
countries
today:
Somalia, and
Britain in the
18th century
7. Stage 2: Birth rates remain high but Death rates fall rapidly
For example:
Britain in the
19th century,
Bangladesh
, Nigeria
8. The fall on death rates results from :
•Improved medical care – vaccinations , hospitals, doctors, new drugs and
scientific inventions.
•Improved sanitation
•Improvements in food supplies
•A decrease in child mortality.
9. Stage 3: Fall in both Birth rates and Death rates.
Usually as a result of :
•Improved economic conditions
•An increase in women status
•Access to contraception
•Increased mechanization reducing need for workers
•Increased standards of living
10. Stage 4 : Low fluctuating ,Low Birth rate and Low Birth rate
Due to
•Political stability
•Changes in personal lifestyles
•More women are in the workforce therefore less couples are having kids
11. Stage 5? : declining population
Theoretical
Death rate exceeds birth rates
Negative NIR (natural increase rate : crude birth rate – crude death rate)
Mostly eastern European countries are projected so :
Russia, Belarus Germany Italy Japan .
Most developed are predicted to experience population decline
•Factor of more elderly than young population in these countries
•Fewer young women who will be entering their child bearing years
•Elderly support ratio- the number of working age people (15-64)
divided by the number of persons 65 or older.
12. Factor affecting the population pyramids.
•Fertility
•Birth rate
•Death rate
•Migration (immigration and emigration)
•Disease out breaks
•Natural disasters