The article demonstrates that in Omsk, during 2001-1010, the indicators of lethality of population as a result of acute chemical intoxications were reliably higher in females. At that, significant decrease of corresponding indicator of lethality in males was observed. In contrary, a slight increase of lethality was established in females. The significant differences in indicators of lethality due to acute chemical intoxications between age groups made it possible to draw a conclusion about the impact of age-related factor to the forecast and outcome of chemical intoxication. This data is to be considered during the development of standards, protocols and treatment algorithms relating to patients with the mentioned pathology.