美国人口及种族介绍

Americanhistorybeganwithwavesofimmigrants,bringingtheirownculturesandtraditionstoavastnewcountry.NootherplaceintheworldhassuchadiversepopulationMeltingplotRacesWhites:64%TheHispanic(拉美裔):50million,about13%aAsian-Americans:4millionDistributionTheblacks(themajorityintheethnic)mostlygatheredinthesouth,partofthenortheastandthemiddlewestofAmerica.Whitesarethemajorityinmostofthecountry,especiallyinthemiddlewest,take83%ofthepopulation.Asian-Americansmostlyliveinthewestcoast,47%ofthemliveinCaliforniaandHawaii.Mexican-American:Mexican-AmericansorChicanosmakeupthelargestgroup(60%)andmostofthemhavesettledinthesouthwesternUS.MiniatureofAmericanPopulationAmericanpopulationTotalnumber:313,847,465（2012年）Theagestructure0-14：20%（male32,050,686;female30,719,945）15-64：66.5%（male104,156,828;female104,442,302）65andabove：13.5%（male18,424,785;female24,052,919）（2012年）increaserate0.899%Birthrate13.68%Deathrate8.39%Theaveragelife78.49yearsmale76.05yearsfemale81.05years