Background Contraceptive use is an essential care to reduce maternal and child mortality by preventing unwanted pregnancy and abortion. Despite different studies are conducted related to family planning services, difference in characteristics of changes and the effects of population behavior were not well addressed. Therefore, the aim of this study was to assess the trend of modern contraceptive use, and investigate the difference in characteristics of changes and the effects of population behavior in the use of modern contraceptives.Methods The data source were from a four consecutive Ethiopia demographic and health surveys of women with complete interview file from 2000 -2016. The total sampled married women considered for this study were 9,380 (2000), 8,644(2005), 10,204(2011) and 9,824 (2016). Descriptive analysis was applied to describe socio demographic variables, fertility desire and media exposure. Multivariate decomposition analysis was carried out to investigate the changes in characteristics and effect of population behavior in modern contraceptive use.Results The trend of modern contraceptive use was steadily increased from 6% in 2000 to 35% in 2016. The overall decomposition change in modern contraceptive use among married women was 8.3% (2000 to 2016); due to difference in characteristics. Variables contribute for the change are religion, residence, women’s and partners’ education, women’s and partners’ occupation, head of house hold, history of abortion and media of exposure.Conclusion The trend of modern contraceptive use was steadily increased in all surveys. The change in contraceptive use was due to change in characteristics and population health behavior.