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Understanding Population Density, Migration Trends, and Urbanization in North America

This overview highlights key concepts in population studies, including life expectancy, birth and death rates, and migration patterns. It explores North America's population density and distribution, focusing on Canada and the U.S. Despite Canada being larger, only eight people live per square mile on average, with 90% of the population near the U.S. border. In contrast, urbanization is driven by commercial agriculture and the emergence of megalopolises like BosWash. We also examine why people settle near coasts and rivers, emphasizing the economic advantages offered by ports and trade.

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Understanding Population Density, Migration Trends, and Urbanization in North America

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  1. Population

  2. Guess the Term • Study of population • Avg. number of years people live • BR-DR • DR > BR • BR=DR • # of infant deaths per 1,000 live births • Portion of Earth with permanent settlement • Migrant who leaves their home country • Migrant who comes into a new country • Movement of people from rural areas to cities

  3. Population Density & Distribution in N.A. • Canada is lgr country…but 8 ppl/sq. mile • Most is inhospitable  90% live on border with US/ middle prairies/ W. Coast

  4. 2002

  5. Population density & distribution • US has 77 ppl/sq. mile (NJ is highest) • Widely distributed • NE/ Great Lakes = most dense (history & industry) • Pacific coast  climate, resources, $ • California #1 state in # (but also bigger) • S and SW = fastest growing (climate, jobs, land space) Sunbelt • Retirees, immigrants from LA

  6. 2000

  7. 2006

  8. 1990

  9. 1990

  10. 1990

  11. 1990

  12. Cities • Use of machines  large commercial farms  fewer farmers needed  urbanization • Metropolitan area • Pop. Of 50,000+ • Outlying communities (suburbs) • 81% of US (276 m.a.) and 60% of Canada (25 m.a.)

  13. BosWash Megalopolis

  14. Metropolis Suburbs AUSTIN Major city DALLAS/FORT WORTH HOUSTON SAN ANTONIO Cities Megalopolis This is an emerging megalopolis

  15. Cities • Why do ppl settle on the coast/ rivers? • PORTS, trade, commercial links, natural resources • What are Seattle & San Francisco known for? • Silicon Valley- computer & aerospace industries • Although DFW is a huge leader as well!

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