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1、Book2Chapter1ThePopulationTodaywe’regoingtotalkaboutpopulationintheUnitedStates.Accordingtothemostrecentgovernmentcensus,thepopulationis281,421,906people.Nowthisrepresentsanincreaseofalmost33millionpeoplesincethe1990census.Apopulationofover281millionmakestheUnitedStatesthethirdmost
2、populouscountryinthewholeworld.Asyouprobablyknow,thePeople’sRepublicofChinaisthemostpopulouscountryintheworld.Butdoyouknowwhichisthesecondmostpopulous?Well,ifyouthoughtIndia,youwereright.Thefourth,fifth,andsixthmostpopulouscountriesareIndonesia,Brazil,andPakistan.Nowlet’sgetbacktot
3、heUnitedStates.Let’slookatthetotalU.S.populationfigureof281millioninthreedifferentways.Thefirstwayisbyraceandorigin;thesecondisbygeographicaldistribution,orbywherepeoplelive;andthethirdwayisbytheageandsexofthepopulation.Firstofall,let’stakealookatthepopulationbyraceandorigin.Thelat
4、estU.S.censusreportsthat75.1percentofthepopulationiswhite,whereas12.3percentisblack.ThreepercentareofAsianorigin,and1percentisNativeAmerican.2.4percentofthepopulationisamixtureoftwoormoreraces,and5.5percentreportthemselvesas“ofsomeotherrace”.Let’smakesureyourfiguresareright:OK,whit
5、e,75.1percent;black,12.3percent;Asian,3percent;NativeAmerican,1percent;amixtureoftwoormoreraces,2.4percent;andofsomeotherrace,5.5percent.Hispanics,whoseoriginslieinSpanish-speakingcountries,comprisewhites,blacks,andNativeAmericans,sotheyarealreadyincludedintheabovefigures.Itisimpor
6、tanttonotethatHispanicsmakeup12.5percentofthepresentU.S.population,however.Finally,thecensustellsusthat31millionpeopleintheUnitedStateswereborninanothercountry.Ofthe31millionforeignborn,thelargestpart,27.6percentarefromMexico.Thenextlargestgroup,fromthePhilippines,number4.3percent.
7、Anotherwayoflookingatthepopulationisbygeographicaldistribution.DoyouhaveanyideawhichstatesarethefivemostpopulousintheUnitedStates?Well,I’llhelpyououtthere.Thefivemostpopulousstates,withpopulationfigures,areCalifornia,withalmost34million;NewYork,with21million;Texas,with19million;and
8、Florida,with16million;andI