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Topic: Population pyramid

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	Population - Encyclopedia, History, Geography and Biography
		In biology, plant and animal populations are studied, in particular, in a branch of ecology known as population biology, and in population genetics.
		Populate, as a verb, means the process of populating a geographic area, as by procreation or immigration.
		Population transfer is a term referring to a policy by which a state forces the movement of a large group of people out of a region, most frequently on the basis of their ethnicity or religion.
	www.arikah.net /encyclopedia/Population (1775 words)

	Population
		In 2005, the population of elderly citizens (65 years and over) was 26.82 million, constituting 21.0 percent of the total population and marking record highs in both number and percentage terms.
		The speed of aging of Japan's population is much faster than in advanced Western European countries or the U.S.A. Although the population of the elderly in Japan accounted for only 7.1 percent of the total population in 1970, 24 years later in 1994, it had almost doubled in scale, to 14.1 percent.
		As a result, the ratio of the dependent population (the sum of the elderly and younger age population divided by the working-age population) was 53.0 percent.
	www.stat.go.jp /english/data/handbook/c02cont.htm (1464 words)

	Population Pyramids
		By comparing population pyramids from various years (for example, past, present, projected) it is easy to see changes in the age structure of a community's population.
		The pyramids in Figure 1 are drawn to a uniform scale in order to illustrate the growth in the size of the population.
		The population in both the old and new federal states began to decline in the 1970s because the birthrate was falling.
	faculty.washington.edu /~krumme/resources/pyramids.html (1173 words)

	Population pyramid - Wikipedia, the free encyclopedia
		A great deal of information about the population broken down by age and sex can be read from a population pyramid, and this can shed light on the extent of its development.
		While all countries population pyramids differ, three types have been identified by the fertility and mortality rates of a country.
		Population pyramids can be used to find the number of economic dependents being supported in a particular population.
	en.wikipedia.org /wiki/Population_pyramid (457 words)

	QELP Data Set 031
		Population pyramids are commonly used by demographers to illustrate age and sex structure of a country's population.
		Population distributions of Mexico (rapid growth) and Germany (negative growth) can be found in QELP datasets #032 and #033, respectively.
		There is a population "bulge" in the middle of the pyramid representing the so called baby boomers of ages 35 to 50, and another small bulge for ages between 10 and 20 years.
	www.seattlecentral.org /qelp/sets/031/031.html (420 words)

	Tools of the Trade - Population Pyramids
		EXPANSIVE population pyramids show larger numbers or percentages of the population in the younger age groups, usually with each age group smaller in size or proportion than the one born before it.
		Population projections (or percentages of population growth or decline over periods of time) can also be plotted and displayed on a pyramid along with the current or historical population figures, thus allowing for easy comparison of future or-historical trends.
		Population pyramids are quite handy tools when working with age-sex distributions and should be used as often as possible.
	www.health.state.pa.us /hpa/stats/techassist/pyramids.htm (573 words)

	Module 2.2: World and U.S. Population Pyramids (Site not responding. Last check: 2007-11-02)
		A population pyramid represents the age and sex structure of a population using bar graphs to represent the percentage or number of people in each age-sex group.
		The developed countries are beginning to lose their "pyramidal" shape as they become more straight up and down with almost equal numbers of people in adjacent age groups until the ages of high death rates begin after age 65.
		Population pyramids are a good way of spotting unusual circumstances in the composition of a population.
	www.ageworks.com /course_demo/200/module2/module2b.htm (2581 words)

	A-E - Population and Sustainable Development
		The age pyramid is useful to show the overall shape of the population, the relative sizes of individual cohorts within the population.
		Population ageing occurs when there are fewer babies born and a smaller net gain of people younger than median age through migration than there are losses due to people older than the median age dying or being lost through migration.
		For population projections, the base population is projected forward by calculating the effect of deaths and migration within each age-sex group according to specified mortality and migration assumptions.
	www.population.govt.nz /glossary/a-e.htm (1763 words)

	P-Z - Population and Sustainable Development
		Population growth is calculated by adding natural increase (number of births less the number of deaths) and net external migration (inflows minus outflows).
		Change in population size during a period divided by the population at the beginning of the period.
		For example, the proportion of the population which belongs to the Asian ethnic group is calculated by dividing the number of people with at least one Asian ethnicity by the total number of people in the subject population who specified their ethnicities.
	www.population.govt.nz /glossary/p-z.htm (1307 words)

	World Population (Site not responding. Last check: 2007-11-02)
		Population pyramids (also known as age-sex pyramids) graphically display this information to improve understanding and ease comparison.
		The five-year age increments on the y-axis allow the pyramid to vividly reflect long term trends in the birth and death rates but also reflect shorter term baby-booms, wars, and epidemics.
		This large segment of the population is the post-World War II "baby boom." As this population ages and climbs up the pyramid, there will be a much greater demand for medical and other geriatric services.
	stutzfamily.com /mrstutz/population/agesexpyramids.htm (210 words)

	Lesson Plans - Population Pyramids and Us (Site not responding. Last check: 2007-11-02)
		When geographers want to examine the population of a given area, they may employ maps to help them see distribution patterns or employ photographs to analyze cultural activities.
		Just as a builder uses a blueprint for depicting the structure of a house, a geographer uses a population pyramid as a blueprint for interpreting the dynamics of a population.
		Ask them to examine the population pyramid, describe the characteristics of the population, and identify the services necessary to serve this population over the next 10 to 15 years.
	www.nationalgeographic.com /xpeditions/lessons/09/g68/pyramids.html (480 words)

	Population Pyramids
		Among the various population pyramids (below) and/or among sites which you would have to search for (please identify), find one or more pyramids which include examples for at least five demographic, geographic or economic facets or peculiarities which, in your judgment, are particularly significant for economic or business geographers.
		For the latter, you may want to use the Washington State Pyramid as a template [I suggest that you multiply the equivalent values by at least 10].
		The population pyramids presented here are animated to show the change in population distribution for Canada, the provinces and territories from 1971 to 2005.
	faculty.washington.edu /krumme/350/exercises/poppyr.html (1088 words)

	Learning Resources: Population pyramids
		The population pyramids presented here are animated to show the change in population distribution for Canada, the provinces and territories from 1971 to 2006.
		A handy way to illustrate the structure of a population is to graph the number of males and females for various ages.
		Newfoundland and Labrador is an example of a declining type population pyramid.
	www.statcan.ca /english/kits/animat/pyone.htm (389 words)

	Health Trends In Hawaii
		The demographic structure of a population can be summarized by a population pyramid showing the distribution of people by age and gender.
		For example, if a population pyramid shows a bulge in the 10-19 age group, a major population boom can be predicted over the next decade or two when this age group enters the child-bearing years.
		Evaluating the population structure using population pyramids aids our understanding of demographic shifts impacting the demand for and geographic distribution of health care services and the ability of working adults to support dependent populations.
	www.healthtrends.org /demo_pop_dis.aspx (260 words)

	India_Population_Pyramids
		Give each student a blank population pyramid form and provide statistics for the years of 2000, 2025, 2050.
		Groups will compare their three population pyramids and determine if the country’s population is growing, declining or remaining the same.
		Groups will share their three pyramids, the growth of the populations, and what services will be needed to provide for the population’s needs.
	www.uni.edu /gai/India/India_Lesson_Plans/India_Population_Pyramids.htm (735 words)

	Animation - China's Population by Age & Sex, 1950 - 2050
		In this animated population pyramid one can watch population change in China unfold over a 100 year period - between 1950 and 2050.
		For the period 1950 to 1995 the pyramid is based on population estimates of the UN Population Division; the data for 2000 to 2050 are from the most recent medium variant UN population projection.
		The animation also visualizes the aging of the Chinese population, which is caused by the significant fertility decline since the mid-1970s (and the further increase in life expectancy).
	www.iiasa.ac.at /Research/LUC/ChinaFood/data/anim/pop_ani.htm (147 words)

	Upending the population pyramid: old versus young
		For centuries, he notes, populations have been pyramid-shaped, with a large base of children (future workers), tapering upward through a sizable young/middle-aged segment (present workers), and coming to a point with a smaller elderly (minimally-productive) group.
		The population movement to Sunbelt states will continue, Zolli says, with a 43 percent growth rate forecast for Western states, Georgia, and Florida, and only 6 percent growth for the rest of the country.
		Population pyramids are also changing elsewhere, he notes.
	deltafarmpress.com /mag/farming_upending_population_pyramid (488 words)

	UNDP Iraq
		The population of Iraq shares a number of characteristics with the other countries in the Middle East: a recent history of rapid population growth, driven principally by high fertility rates coupled with comparatively low mortality rates, moderated by significant migration.
		These indicators have made their mark on the population pyramid, which is slightly skewed from what is expected in the men’s age group 40-49, which reflect the effects of the Iraq-Iran war.
		There is also an indication of the increase in child mortality to around 500 thousand after the imposition of the UN Sanctions, evident in the low rates of the 0-4 age group found in the survey.
	www.iq.undp.org /ILCS/population.htm (649 words)

	Population - Wikipedia, the free encyclopedia
		population over time, and can be quantified as the change in the number of individuals in a population per unit time.
		The term population growth can technically refer to any species, but almost always refers to humans, and it is often used informally for the more specific demographic term population growth rate (see below), and is often used to refer specifically to the growth of the population of the world.
		It is most often applied to population growth although it can be used for any increasing quantity, such as price inflation or the volume of malignant tumours.
	en.wikipedia.org /wiki/Population (2390 words)

	Chart - China's Total Population & Sex Ratio by Age, 1990
		This population pyramid from the 1990 census tells the dramatic story of China's population history for several decades.
		Those children, that were between 4 and 11 in 1990, belonged to the smallest birth cohorts after the baby boom.
		At the bottom of the Chinese population pyramid one can again see large cohorts, that were born between 1985 and 1990.
	www.iiasa.ac.at /Research/LUC/ChinaFood/data/pop/p_23c_m.htm (331 words)

	CensusScope -- Population Pyramid and Age Distribution Statistics
		A top heavy pyramid, like the one for Grant County, North Dakota, suggests negative population growth that might be due to any number of factors, including high death rates, low birth rates, and increased emigration from the area.
		A bottom heavy pyramid, like the one drawn for Orange County, Florida, suggests high birthrates, falling or stable death rates, and the potential for rapid population growth.
		But most areas fall somewhere between these two extremes and have a population pyramid that resembles a square, indicating slow and sustained growth with the birth rate exceeding the death rate, though not by a great margin.
	www.censusscope.org /us/s41/chart_age.html (178 words)

	Population Pyramid(May 4) (Site not responding. Last check: 2007-11-02)
		Graph 1 represents the population pyramid based on the absolute count of males and females by age.
		Graph 2 represents the relative percentage distribution of males by age, and the relative distribution of females by age.
		Using the "Population Pyramid Maker", identify three zip code areas in the District of Columbia that show markedly different age distributions.
	www.bsos.umd.edu /achen/ursp100/html/pyramid.html (321 words)

	Demographics: The Population Hourglass
		To get a sense of what lies ahead, consider a simple demographic tool: the "population pyramid." Imagine that we took all of the people in a given population and stacked them up by age, putting all the infants at the bottom and all the centenarians up top.
		The demographic concentration of boomers at the top of the population pyramid, backed by their vast reservoirs of disposable income, represents the next American gold rush.
		By 2011, the 65-and-over population will be growing faster than the population as a whole in each of the 50 states.
	www.fastcompany.com /magazine/103/open_essay-demographics.html (1854 words)

	Pyramid Building
		Explain that a population pyramid shows the age and sex structure of a population.
		Explain that each student is going to draw a population pyramid for a specific country.
		After students have made their guesses, the teacher (using the Population Pyramid Data Table Teacher's Key) should identify each of the pyramids graphed by the students.
	www.prb.org /Content/NavigationMenu/PRB/Educators/LessonPlans/Pyramid_Building.htm (760 words)

	Population Distribution by Age-Group and Sex for CAREC Member Countries (Site not responding. Last check: 2007-11-02)
		Population figures for the Caribbean are sometimes difficult to locate in one convenient place.
		The Epidemiology Division has compiled population figures and estimates from 20 of CAREC's 21 member countries for the period 1990-2005.
		The links below provide population figures for each country and the population data source and type.
	www.carec.org /data/2004-caribbean-population-distribution-pyramids (144 words)

	[INED] Population pyramid
		Pyramide des âges de la France et de l’U.E. en 2003
		The population includes males and females of all ages.
		To see at a glance how they are distributed by age and sex, demographers use a population pyramid.
	www.ined.fr /en/everything_about_population/animations/age_pyramid (117 words)

	Population Pyramids in Excel
		Copy the data on Age, Male, and Female population into Excel for the country of your choice.
		To build the pyramid, we need to choose a horizontal bar chart with two series of data (% male, and % female) and the age labels in column A as the Category X-axis labels.
		To format the pyramid, grab a corner of the graph and expand it so you can see it clearly.
	www.uvm.edu /~agri99/spring2004/Population_Pyramids_in_Excel.html (585 words)

	Population Pyramid Assignment
		Select a country, select a type of pyramid (summary provides information for different years or dynamic provides an animated pyramid over time), select a size and then click on submit query.
		After you finish exploring (which I hope you do!), generate summary pyramids for China, Bangladesh, Germany and the United States.
		Select the country from the list, then select summary periods for each country and pyramids for 2000, 2025, and 2050 are created for you.
	www.usm.maine.edu /~lsavage/geo101j.pyramid.html (316 words)

	Gale Schools - Lesson Plans - Secondary: Math - Population (Site not responding. Last check: 2007-11-02)
		Construct a population pyramid for the country using the data provided on the graph paper provided.
		The 3-D pyramids can be converted to a classroom ceiling or flat world population pyramid model.
		Students participate in My high school pyramid.” Students can collect data about students within the school. Statistical techniques for data collection starting with a questionnaire design can be explained. The data can be analyzed and modeled as with the Population Pyramid Lab.
	www.galeschools.com /lesson_plans/secondary/math/population.htm (1470 words)

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