After characterizing the importance of vital statistics in Public Health when this last one plans, performs and estimates its sanitary and assistance activities, he comments these data in the county of São Paulo, Brazil. In his comments he shows that these data showed be collected, tabulated and analyzed according to the sanitary criterion, because only in that way can they be totally useful to sanitary officials. This does not happen in the county of São Paulo. Therefore, he suggests that in the future the health officials collect these data using that criterion and, in order to reach that goal - because of the reasons mentioned on this paper - he suggests that the S. Paulo Health Centers Service showed take charge of this task and - by the way - the first steps have already been taken.