Issues in Population
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This slideshow illustrates the increasing population of our world and issues associated in studying population. A special look at the use of graphs and maps in assessing and analyzing these issues was taken. Presentation was shared with an audience of Social Science Teacher Education students as an example for use of Powerpoint, visuals, and problem based learning in the Social Studies classroom.
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Population Geography
The world population is currently around 7.7 billion people. Australia's population is around 25 million, with Sydney's population being over 5 million. Every year the global population increases by around 90 million people due to high fertility rates, especially in Africa where 40% of the population is under 15. Africa will experience the greatest population growth by 2050, while countries like Japan and Russia will see declines. Major population trends include rapid urbanization, with over half the world's population now living in urban areas, and the rise of megacities with populations over 10 million.
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The document discusses key concepts in population geography, including population distribution, density, and growth rates around the world. It notes that over half of the world's population lives in East, South, and Southeast Asia despite these regions making up under 10% of the world's total land area. Birth and death rates vary significantly between regions and are linked to factors like modernization and development. Exponential population growth has led to shorter doubling times in recent decades.
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This document provides an introduction to demography, the study of populations. It discusses that demographers seek to understand population dynamics by investigating three main processes: birth rates, migration, and aging/death. These processes contribute to changes in population size, composition, and distribution around the world. The document notes that the global population of those aged 65 and older is projected to increase dramatically from 500 million in 2006 to 1 billion in 2030, with most of the growth occurring in developing countries.
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From the beginning, humanity has been unevenly distributed over land, with crowded rural and urban areas contrasting with empty reaches. Physical features, available resources, and opportunities influence population distribution. The world's three largest population concentrations can be found in East Asia, with major clusters also located in South Asia, Europe, and North America. A phenomenon of the 20th century was the rise of megalopolises as large population clusters formed by overlapping separate urban areas.
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The document discusses key topics related to world population including:
1. The current world population is 7.8 billion as of 2020 and is unevenly distributed across the world.
2. Population density varies based on factors like climate, resources, and level of development. densely populated areas have over 200 people per square km while sparsely populated areas have under 1 person per square km.
3. Population growth is influenced by birth rates, death rates, and migration patterns. Most countries have experienced a demographic transition from high birth/death rates to low birth/death rates as development increased.
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The world population reached 7 billion in 2011 and is currently growing at a rate of around 1.11% per year, adding approximately 80 million people annually. Population growth peaked in the late 1960s at 2% per year. The global population is projected to reach 8.4 billion by 2030 and 9.6 billion by 2050 before stabilizing around 2050. There are currently slightly more men than women worldwide.
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The world population is currently around 7.7 billion people. Australia's population is around 25 million, with Sydney's population being over 5 million. Every year the global population increases by around 90 million people due to high fertility rates, especially in Africa where 40% of the population is under 15. Africa will experience the greatest population growth by 2050, while countries like Japan and Russia will see declines. Major population trends include rapid urbanization, with over half the world's population now living in urban areas, and the rise of megacities with populations over 10 million.
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The document discusses key concepts in population geography, including population distribution, density, and growth rates around the world. It notes that over half of the world's population lives in East, South, and Southeast Asia despite these regions making up under 10% of the world's total land area. Birth and death rates vary significantly between regions and are linked to factors like modernization and development. Exponential population growth has led to shorter doubling times in recent decades.
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This document provides an introduction to demography, the study of populations. It discusses that demographers seek to understand population dynamics by investigating three main processes: birth rates, migration, and aging/death. These processes contribute to changes in population size, composition, and distribution around the world. The document notes that the global population of those aged 65 and older is projected to increase dramatically from 500 million in 2006 to 1 billion in 2030, with most of the growth occurring in developing countries.
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From the beginning, humanity has been unevenly distributed over land, with crowded rural and urban areas contrasting with empty reaches. Physical features, available resources, and opportunities influence population distribution. The world's three largest population concentrations can be found in East Asia, with major clusters also located in South Asia, Europe, and North America. A phenomenon of the 20th century was the rise of megalopolises as large population clusters formed by overlapping separate urban areas.
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The document discusses key topics related to world population including:
1. The current world population is 7.8 billion as of 2020 and is unevenly distributed across the world.
2. Population density varies based on factors like climate, resources, and level of development. densely populated areas have over 200 people per square km while sparsely populated areas have under 1 person per square km.
3. Population growth is influenced by birth rates, death rates, and migration patterns. Most countries have experienced a demographic transition from high birth/death rates to low birth/death rates as development increased.
Population
The world population reached 7 billion in 2011 and is currently growing at a rate of around 1.11% per year, adding approximately 80 million people annually. Population growth peaked in the late 1960s at 2% per year. The global population is projected to reach 8.4 billion by 2030 and 9.6 billion by 2050 before stabilizing around 2050. There are currently slightly more men than women worldwide.
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1. The document provides statistics on current and projected world population trends, including population growth rates, life expectancies, fertility rates, and population densities of different countries and regions.
2. Key facts presented include that the world population is expected to reach 7 billion in 2011, developing countries generally have younger populations than developed countries, and population growth rates are declining as more countries develop.
3. Issues discussed around overpopulation include increased stress on resources and the environment, as well as challenges meeting needs like education, health, and eradicating poverty in fast-growing regions.
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2) Key trends include a sharp rise in population size, declining fertility rates, increasing longevity, modest migration from poor to rich countries, and rapid urbanization.
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Population, Urbanization,and Environment15ISBN1-.docx
Population, Urbanization,
and Environment15
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Society: The Basics, Eleventh Edition, by John J. Macionis. Published by Prentice Hall. Copyright © 2011 by Pearson Education, Inc.
• Why should we worry
about the rapid rate of
global population
increase?
• What makes city and
rural living different?
the Core Concepts
in Sociology video “Population
Growth and Decline” on
mysoclab.com
• How is the state of
the natural
environment a social
issue?
Watch
IS
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25
6-
36
95
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Society: The Basics, Eleventh Edition, by John J. Macionis. Published by Prentice Hall. Copyright © 2011 by Pearson Education, Inc.
All across the Great Plains, towns are hanging on by a thread. This
chapter investigates population patterns, explaining why people move
from place to place, why some cities get so large, and why small towns
sometimes die. It will also look at the effects on the physical environ-
ment of population change and our way of life.
Demography: The Study
of Population
When humans first began to cultivate plants some 12,000 years ago,
Earth’s entire Homo sapiens population was about 5 million, or about
the number of people living in Colorado today. Very slow growth
pushed the total in 1 C.E. to perhaps 300 million, or about the popu-
lation of the United States today.
Starting around 1750, world population began to spike upward.
We are currently adding nearly 83 million people to the planet each
year; the world now holds 6.8 billion people.
The causes and consequences of this drama are the focus of
demography, the study of human population. Demography (from the
Greek, meaning “description of people”) is a cousin of sociology that
analyzes the size and composition of a population and studies how
and why people move from place to place. Demographers not only
collect statistics but also raise important questions about the effects
of population growth and suggest how it might be controlled. The
following sections present basic demographic concepts.
Fertility
The study of human population begins with how many people are
born. Fertility is the incidence of childbearing in a country’s population.
During a woman’s childbearing years, from the onset of menstruation
(typically in the early teens) to menopause (usually in the late for-
ties), she is capable of bearing more than twenty children. But
fecundity, or maximum possible childbearing, is sharply reduced by
cultural norms, finances, and personal choice.
Demographers describe fertility using the crude birth rate, the
number of live births in a given year for every 1,000 people in a popu-
lation. To calculate a crude birth rate, divide the number of live births
in a year by the total population and multiply the result by 1,000. In
the United States in 2008, there were 4.25 million live births in a pop-
ulation of 304 million, yielding a crude birth rate of 14.0 (Hamil-
ton, Martin, & Ventura, 2010).
January 18, Coshocton County, Ohio. Having just
finished off th.
Geo23.1102 winter2015 session3
This document summarizes key concepts in population geography from a course session and textbook chapter. It discusses population density, distribution, and composition, explaining concepts like population pyramids. Factors influencing population growth and decline are explored at various scales, from Malthusian and Boserupian perspectives. Models of the demographic transition and future population trends are presented.
Population growth, demographic transition model and overpopulated places
This document discusses population growth and the demographic transition model. It explains that a population's growth is determined by the birth rate and death rate. If births exceed deaths, the population increases, and vice versa. It then outlines the 5 stages of the demographic transition model: 1) high birth and death rates with steady population, 2) high births and falling deaths leads to rapid growth, 3) falling birth and death rates leads to rapid growth, 4) continuing fall in rates leads to slower growth, 5) potential future stage with below replacement fertility and stable/falling population. The document provides examples of countries at different stages of the model.
population development
Population size is the actual number of individuals in a population. Population density is a measurement of the number of people in an area. It is an average number. Population density is calculated by dividing the number of people by area. Population density is usually shown as the number of people per square kilometer. Population distribution means the pattern of where people live. World population distribution is uneven. Places which are sparsely populated contain few people. Places which are densely populated contain many people. Sparsely populated places tend to be difficult places to live. These are usually places with hostile environments e.g. Antarctica. Places which are densely populated are habitable environments e.g. Europe
Demography
This document provides information about demography and population trends through history and around the world. It discusses world population growth over time, showing that it took longer to add each subsequent billion people. It also shows population growth patterns between more developed and less developed regions. Other topics summarized include the demographic transition model, which predicts changes in birth and death rates as countries develop, population pyramids and what they indicate about a population, and factors that influence population growth and distribution.
Chapter 1PopulationPrudent men should judge of future
Chapter 1
Population
Prudent men should judge of future events by what has taken place in the past,
and what is taking place in the present.
Miguel de Cervantes (1547–1616), Persiles and Sigismunda
The Changing Population of the World
The population of the world is growing. No one will be startled by that sentence,
but what is startling is the rate of growth, and the fact that the present growth of
population is unprecedented in human history. The best historical evidence we have
today indicates that there were about 5 million people in the world about 8000 bc.
By ad 1 there were about 200 million, and by 1650 the population had grown to
about 500 million. The world reached its first billion people about 1800; the second
billion came about 1930. The third billion was reached about 1960, the fourth about
1974, and the fifth about 1987. The sixth came in 1999 and the seventh in 2011.
These figures indicate how rapidly the population is increasing. Table 1.1 shows how
long it took the world to add each billion of its total population. A projection is also
given for the next billion.
There is another way to look at population growth, one that helps us understand
the uniqueness of our situation and its staggering possibilities for harm to life on this
planet. Because most people born can have children of their own, the human popula-
tion can – until certain limits are reached – grow exponentially: 1 to 2; 2 to 4; 4 to
8; 8 to 16; 16 to 32; 32 to 64; 64 to 128; and so on. When something grows expo-
nentially, there is hardly discernible growth in the early stages and then the numbers
shoot up. The French have a riddle they use to help teach the nature of exponential
growth to children. It goes like this: if you have a pond with one lily in it that doubles
its size every day, and which will completely cover the pond in 30 days, on what day
will the lily cover half the pond? The answer is the twenty-ninth day. What this riddle
Global Issues: An Introduction, Fourth Edition. John L. Seitz, Kristen A. Hite.
© 2012 John Wiley & Sons, Ltd. Published 2012 by John Wiley & Sons, Ltd.
4 Global Issues
tells you is that if you wait until the lily covers half the pond before cutting it back,
you will have only one day to do this – the twenty-ninth day – because it will cover
the whole pond the next day.
If you plot on a graph anything that has an exponential growth, you get a J-curve.
For a long time there is not much growth but when the bend of the curve in the
“J” is reached, the growth becomes dramatic. Figure 1.1 shows what the earth’s
population growth curve looks like.
The growth of the earth’s population has been compared to a long fuse on a
bomb: once the fuse is lit, it sputters along for a long while and then suddenly the
bomb explodes. This is what is meant by the phrases “population explosion” and
“population bomb.” The analogy is not a bad one. The world’s population has passed
Table 1.1 Time taken to add ...
Population geography intro
The document discusses various factors related to population including:
- Current world population is over 6.77 billion and estimated to reach over 9 billion by 2050.
- Population distribution patterns show 75% of people live within 1000km of coastlines.
- Factors that affect population growth include birth rates, mortality rates, fertility rates, and infant mortality rates.
- Population structure examines age distribution in categories like 0-14, 15-64, and 65+.
Population Growth
The document provides an overview of population growth trends globally and in India. It discusses key topics like the demographic transition model, past and projected world population growth, and current population growth rates in different countries and regions. The demographic transition model outlines the typical stages that societies progress through as mortality and birth rates change due to factors like industrialization, urbanization, and increased access to family planning. World population grew slowly until the 18th century but has increased rapidly in recent centuries, reaching 6.8 billion in 2010, with most growth occurring in developing countries still in the early stages of the demographic transition.
Pop geog 1
The document discusses population studies and demography. It defines key terms like population, demography, and vital statistics. It explains that demography is the statistical study of populations and their characteristics. It also outlines various sources of population data, including censuses which count the entire population, vital registration systems which record births, deaths, marriages, and other events, and sample surveys. International organizations also collect and disseminate demographic and statistical data from countries.
Essay Population
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Population Lab Report
Population-Growth-v1.pptx
The document discusses population trends globally and the factors that influence population growth rates. It notes that while the world's population has quadrupled in the 20th century to over 7 billion, growth rates have been decreasing since peaking in the 1960s. As more countries develop, they experience a "demographic transition" where high birth rates meet declining death rates, leading to population growth that later slows as birth rates also decline. Development factors like rising education and income levels, as well as empowerment of women, contribute to smaller desired family sizes in developed countries. Coercive population policies have largely been ineffective and violate human rights.
Population-Growth-v1 (1).pptx
The document discusses population trends globally and the factors that influence population growth rates. It notes that while the world's population has quadrupled in the 20th century to over 7 billion, growth rates have been decreasing since peaking in the 1960s. As more countries develop, they tend to complete the demographic transition from high birth and death rates to low rates of both as development leads to lower child mortality and availability of contraceptives. Coercive population policies have historically been ineffective and violate individual rights, while voluntary family planning can help empower women and speed the transition to smaller families.
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Issues in Population
- 1. Studying Population Presented by: Dr. Cody Lawson
- 2. Studying Population O The study of population is referred to as demography O A person who studies population is a demographer O The statistics gathered are demographics O Statisticians gather data, such as birth rate, death rate, and migration to determine/ calculate for population growth.
- 3. Can we tell anything about population from this map?
- 4. How about this one?
- 5. What about this map?
- 6. Do more total people live in area A or area B? A B
- 7. Do more people live on continent A or continent B? A B
- 8. Do more people live in the eastern half or western half of the United States?
- 9. Larger bubbles indicate larger population
- 10. Can we tell anything about population from this satellite image?
- 11. How about this one? New York City, New York
- 12. This one? Los Angeles, California
- 13. This one? China
- 14. Japan
- 15. Tokyo, Japan
- 16. Mexico
- 18. Brazil
- 20. The next few slides will help us learn more about population by graphic display. The demographics we view can tell us much about the population of a location.
- 21. World Population - 1900
- 22. World Population - 1960
- 23. Projected Population - 2050
- 24. Passenger Cars - 2000
- 25. Wealth - 1990
- 26. Projected Wealth - 2015
- 27. Poverty - 2010
- 28. Poor Water - 2010
- 29. Living Expenses Total Less Than $1/day - 2010
- 30. Meat Consumed In Diet - 2010
- 32. Infant Mortality - 2010
- 33. Mortality Ages 1-4 - 2010
- 34. Number Of Doctors Working - 2010
- 36. Malaria - 2010
- 37. Cholera - 2010
- 38. Polio - 2010
- 39. HIV/AIDS - 2010
- 40. Amount Spent On Primary Education - 2010
- 41. Amount Spent On Secondary Education - 2010
- 42. Conclusions O Is the world even in population distribution (density)? O Do all persons live at the same economic level? O Do all persons have the same opportunities as you? O Are there ways this can change?