agr structure diagrams, Lecture notes of Environmental science

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3.6 Age Structure Diagrams Female Age Cohorts Male . Female Female “ Female Expanding Rapidly ExpandingSlowly _ Stable Declining Guatemala United States Spain Germany Nigeria Australia Portugel Bulgaria a Saudi Arabia =) Canada my Greece Italy Age cohorts & growth = groups of similarly aged individuals 0-14 = prereproductive; |5 - 44 = reproductive age; 45 + = post reproductive e Size difference between 0-14 & 15-44 indicates growth rate o Larger 0-14 cohort = current & future growth o Roughly equal 0-14 & 15-44 = slight growth/stable Fo o Larger 15-44 = pop. decline SUGGESTED SKILL $$ Data Analysis A Explain patterns and trends ‘ ‘ [ 7 C ‘ Male Female Male Female _ Female in data to draw conclusions. ] = 10 2 0 5 10 4202 4 10 0 10 Number of People Number of People Number of People in Country X in Country Y in Country Z (in millions) (in millions) (in millions) GB Ages 0-14 CO Ages 15-44 Ages 45-85+ Identify the country with the slowest pop. growth rate and explain your answer