Women's informal sector employment cOllcentrated in areas that are well-matched with th eirrnreproductive role, particularly child-rearing, and often extensions of their domestic responsibilitiesrnwithin the household.rnThe survey has attempted to see the knowledge, attitude and practice of contraceptive methods alldrndifferent demographic and socia economic factors that contribute to the low practice oj cOlllracepliollrnby women in informal sector.rnT7Je survey has been conducted in Addis Ababa. in Addis Ketema and Arada Kifle Kelemas, whichrnhave high concentration of informal sector. Using literature review as a setting to the problem,rnquestionnaires were administered 10 654 women and 16 women through FGDs.rnIn general, the data revealed that knowledge of contraception is high, 98% but still low whenrncompared to DHS 2000 Ethiopia, for all womell ill Addis Ababa, which was 99.2%for all methodsrnOverall contraception use ill the survey is 44.8 percent. Modern contraception is used more by the agerngroups 20-24, 25-29 and 30-34, currelltly married women, women who have had a junior secondmyrn(grade 7-8) level of educ~tion, and women who have relatively higher income. Modem contraceptivernmethods are more widely known and practiced than traditional ones.rnAlthough DHS 2000 Ethiopia reveals that Addis Ababa is below - replacemellt fertility level, it is stillrnbe a paradox that this change occur without a significant socio- ecollomic development in a poorrnCOUlltry like Ethiopia. So here based Oil the outcome of the study, some suggestions have beenrnforwarded which might help govemmental and non-governmental organizations to observe and helprnwomen in informal sectors to decide freely and correctly the number and spacing of their children andrnto have the information and means to do so.