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Please access the U.S. Census Bureau International Database (in the Background Reading) and answer the following questions in a 3-4 page paper:
1. Compare the population pyramids for Mexico for the current year and for 2050 by describing the following: IN ADDITON TO THE GRAPH PLEASE USE THE
• Shapes of the pyramids (e.g. Are they inverted, jagged or smooth, or not a pyramid at all?)
• Age groups with the greatest proportion of population and the smallest proportion. Compute the birth year for these cohorts.
• Other notable features, such as whether the pyramids widen at the bottom or shrink in size? Does this mean the population is aging or getting younger?
• What factors and/or population theories might account for the differences in the pyramids? Explain.
• Does the pyramid for 2050 show "zero population growth" or "negative growth?"
• Explain.
• Required Reading
• Cheney P (2009). Chapter 17 – Population. In Intro to Sociology. Retrieved February 18, 2011 from http://freebooks.uvu.edu/SOC1010/index.php/ch17-population.html
• Sedano, F.. (2008). Economic Implications of Mexico’s Sudden Demographic Transition. Business Economics, 43(3), 40-54. Retrieved November 23, 2010, from ABI/INFORM (ProQuest). (Document ID: 1567421411).
• U.S. Census Bureau. International Data Base. Retrieved February 18, 2011, from http://www.census.gov/ipc/www/idb/informationGateway.php
•
PLEASE USE THE FOLLOWING AS PART OF THE PAPER ; USE PEER REVIEWED ARTICLES.
Migration, Population Structure and Characteristics , Age/Sex Structure, Population Structure and Characteristics , Population Modeling Health, Statistics Health Services Statistics, International Comparability of Data, The Impact of Illness, and the Burden of Disease Disability Adjusted Life Year
Measuring Migration
When data is available, the following statistics can be determined:
Gross rate of total out–migration (GROM)- all people who live a particular region during a given time period (usually one year).
Total out-migrants
GROM = X 1,000
Total midyear population
Gross rate of in-migration–the ratio of all people who moved into the region during a given time period.
Total in-migrants
GRIM = X 1,000
Total midyear population
As was true for other crude rates, the gross rate of in-migration is a little misleading because the midyear population refers to the people living in the area of destination, which is not the group of people at risk of moving in–indeed, they are already there. Nonetheless, this measurement does give a sense of the impact that in-migration has on the region in question, so it is useful for that reason alone. And, it is used to calculate the net migration rate.
The difference between those who move in and those who move out is called net migration. If there are more in-migrants than out-migrants, the rate is positive; if the out-migrants exceed the in-migrants, the rate is negative. There could have been a lot of activity, but if the numbers are the same, the rate would be zero. The crude net migration rate (CNMR) is calculated:
Total in-migrants – Total out-migrants
CNMR = X 1,000
Total midyear population
The volume of migration may be of interest, because it can have a substantial impact on a community even if the net rate is low. This is measured as the total migration rate (TMR).
Total in-migrants + Total out-migrants
TMR = X 1,000
Total midyear population
By comparing the total migration rate with the net migration rate, we gain a sense of the "turnover" of people. You could have a low net migration rate and still have a high volume of people moving in and out. Thus the migration turnover rate (MTR) is the ratio of the total migration rate to the crude net migration rate.
Total migration rate
MTR = X 1,000
Crude net migration rate
Another measure looks at migration effectives (E). It measures how effective the total volume of migration is in redistributing the population. For example, if there were a total of 10 migrants in a region in a year and all 10 were in-migrants, the effectiveness would be 10/10 or 100%. Whereas, if 4 were in-migrants and 6 were out-migrants, the effectiveness would be much lower (4-6)/10 or 20%.
Crude net migration rate
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