Americans have been migrating south and west for decades in search of better job opportunities and warmer climates. They have also been moving to places a little far from cities, in search of bigger yards and houses, lower crime rates and better schools. In 1950, nearly a fifth of the population lived in the nation’s 20 largest cities. In 2006, it was about one in ten. That’s why many American people say, “Big Cities Shrink as People Move South, West.”

　　Between March 2005 and March 2007, 73.4 million Americans moved. Fifty-six percent of these moves were within the same country. Twenty percent were between counties but in the same state. Nineteen percent were moves to a different state. Some families even went abroad.

　　Title: People on the

　　71

　　Lead-in Throughout human

　　72

　　, people have migrated across continents.

　　An

　　73

　　number of people from poor countries are moving to

　　74

　　countries, especially neighboring ones.

　　_75

　　for people’s migration According to the CPS, the

　　76

　　of people move to other places for reasons

　　77

　　to housing.

　　Americans have long been moving south and west,

　　looking

　　78

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