Unit 2: Population & Migration Test Review. What does it look like?
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Transcript of Unit 2: Population & Migration Test Review. What does it look like?
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Unit 2: Population & Migration Test Review
![Page 2: Unit 2: Population & Migration Test Review. What does it look like?](https://reader036.fdocuments.us/reader036/viewer/2022082518/5697bfd01a28abf838caac82/html5/thumbnails/2.jpg)
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What does it look like?
![Page 5: Unit 2: Population & Migration Test Review. What does it look like?](https://reader036.fdocuments.us/reader036/viewer/2022082518/5697bfd01a28abf838caac82/html5/thumbnails/5.jpg)
Demographic Transition
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Two Demographic Worlds
First is poor, young, and rapidly growing.• Less-developed countries.
– Africa, Asia, Latin America– Contain 80% of world population, and will
account for 90% of projected growth.
Second is wealthy, old, and mostly shrinking.
• North America, Western Europe, Japan.– Average age is about 40.– Populations expected to decline.
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Interpreting a Population Pyramid
• Basically bar graph turned on its side.
•True pyramids are developing countries. Majority of population younger, not many people live to old age.
• Developed countries more rectangular; population spread more equally through age groups.
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population pyramids
Three main types of pyramids– Rapid growth– Slow growth – Negative growth
Shape of rapidgrowth
Shape of Slow growth
Shape of negative growth
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High, Slow & Negative Growth
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Gravity Model Ravenstein’s Laws
Short Distances due to Distance
Decay
Longer Distances move from rural to urban
Step Migration
Rural to Urban
Counter Flow Migration: 1 IN 1
OUT
Adults move most.
Young people move
internationally.
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Migration Selectivity
1. AGE: younger people between the ages of 18-30 are most likely to move
2. EDUCATION: People with higher education are most likely to make long-distance moves
3. KINSHIP & FRIENDS: People will follow families members that have moved to another area for a better life. CHAIN MIGRATION helped create cultural neighborhoods.
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US Migration Waves
WAVE 1: 1840s, Northern and Western European
WAVE 2: 1840s-1900s, German and Northern European
WAVE 3: 1900s-present, South European, Eastern European, Asian, & Latin Americans
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Great Migrations In History
Irish Potato FamineThree Gorges Dam MigrationHurricane Katrina RefugeesAfghanistan RefugeesPartition of India Creation of IsraelPalestinian Migration African America Migration to the NorthDust Bowl Migration