Introduction: Fertility is generally used to indicate the actual reproductive performance of women or group of female individuals. But generally fertility indicates the number of children, which were produced by women. In every society fertility is very essential to find out the birth rate and other factors which influenced this rate. Fertility is very important indicators of any society and family structure have its own important in demographic studies and planning the many of programs. Methods: In a cross sectional study, study the unit for anthropological demographical date was ever married women. A socio-economic demographical house to house survey method used for collection of data was conducted by interview 112 females belong to 119 household of district Sagar of Madhya Pradesh. by using a pretested semi structure interview schedule. In semi structure interview schedule collected demographical data viz. age, sex, age at first birth, fertility detail such as total numbers of live births, numbers of children died, number of child surviving pregnancy experienced by mothers, reproductive wastage. The fertility history was arranged and developed for Bidi workers via. using the demographical and fertility measurements. By using these variable and measurements to estimate the fertility rates and ratio such as Child women ratio. Crude birth rate, general fertility rate, age specific fertility rate, general marital fertility rate, gross reproduction rat, total fertility rate. Results: That a largest proportion of mothers 66.2% were given births at 15-19 years of age and 33.03% at the age of 20-24 years of age. It is indicated the prevalence of early marriage among Bidi workers of district Sagar of Madhya Pradesh. The CWR has been found 361.5 and comparatively low with other population of central India.CBR among Bidi workers were computed to be 24.6 General fertility rate was 100 and General marital fertility rate was 138.2, whereas total fertility rate was 5.5 and Gross reproduction rate was 2.69. Conclusion: Bidi workers of District Sagar of Madhya Pradesh, a part of central India are one of the known occupational groups of state. Bidi workers who are low wage earner and lagging behind in socio-economic, health status and demographical indicators. The most of the Bidi worker are illiterate and passionate under socioeconomically backward condition. Among them the female literacy rate is very poor, which directly or indirectly influenced their fertility mortality rate and their reproductive performance. They are also lagging behind in awareness of the sanitation and their living condition. Under all of these circumferences, there for is urgently need a program which tackle and improved these aspects problem.