Abstract: ObjectiveTo explore the population burden and disease burden in Ji'nan city from 2009 to 2012,and to provide scientific basis for making hygienic plan and health resource development.MethodsAbbreviated life table and cause eliminated life table were compiled with Excel 2003.Excel 2003 and SPSS 13.0 were used to analyze demographic characteristics,dependency ratio,and disease burden.ResultsDuring the 4 years,the proportion of elderly population was 7.99%-8.19% for male and 10.22%-10.29% for female.The youth population burden coefficient for the males was 14.02%-16.54%,and that for the females was 13.24%-15.61%.The proportion of child population was 49.17%-57.47% for male and 65.90%-77.60% for female.The gross dependency ratio for male presented a downdraught trend(32.02% to 29.36%),but that for female increased(24.32% to 30.73%).Life expectancy showed a rising tendency,with an increased life expectancy of 2.39 years(2.21 years in male and 2.23 years in female).Malignancy was the leading death cause inducing losses of working force and social value among the residents,and injury was a primary death causing the familial losses.ConclusionWith the increase of life expectancy,the aging become a serious problem and accidnetal injury and malignant tumor are major diseases to be controled in Ji'nan city.