The primary data that support the findings of this study are openly available from the websites of the Demographic and Health Surveys (http://dhsprogram.com/data/available-datasets.cfm) and the Centro Nacional de Memoria Histórica (http://www.centrodememoriahistorica.gov.co/micrositios/informeGeneral/basesDatos.html). The violence data update and the municipal spatial weights created by the author are made available through the Mendeley Data repository (Rodríguez, Laura. 2021, Violence and newborn health, Data update. Mendeley Data, v3, http://doi.org/10.17632/zwwrzptd36.3). Replication codes for the paper are available through the Mendeley Data repository (Rodriguez, Laura (2021), Violence and newborn health. Replication codes. Mendeley Data, V1, http://dx.doi.org/10.17632/wmngxyyvj7.1).