METHODS: We estimated the cost to achieve maternal and neonatal tetanus elimination MNTE in three years in the remaining 13 countries: Afghanistan, Angola, Central African Republic, Democratic Republic of the Congo, Guinea, Mali, Nigeria, Pakistan, Papua New Guinea, Somalia, South Sudan, Sudan, and Yemen. ...While substantial costs must be incurred to reach hard to reach populations, MNTE should be accomplished as a matter of health equity, and will significantly contribute to reaching the United Nations' Sustainable Development Goals....