The escalation on the immunization coverage has been proved to significantly reduce the morbidity and mortality of the immunized diseases. However, in Indonesia the coverage of immunization is still low. The research purpose is to understand the role of motherâ€™s characteristics to child immunization status in Indonesia. This is an advance analysis of Riskesdas data 2007/2008. Sample of the research is children age 12-24 months. The results showed that only 56.2% children had had complete immunization. Multivariate analysis shows that characteristic factors, such as motherâ€™s and husbandâ€™s education are significant to child immunization status. The result of Multilevel Analysis shows that the role of characteristic factors to child immunization status is 7.5% and the role of district level is 92.5%. Based on this result research, it is important for government to continuously improving education, immunization knowledge and encourage the utilization of health care especially immunization services. Ministry of Health and related sectors are supposed to arrange orientation program for immunization mobilization.