On the basis of statistical findings, received by monitoring of levels of mortality happened as the result of injuries, poisonings and other external causes in adult population of Leningrad - St.-Pctersburg, the analysis of dynamics of main death level indices was done. The article introduces with basic findings_ gained in long term investigation, 'Fhe level of mortality happened as the result of injuries, poisonings and other external causes for better obviousness was calculated separately for each age and for each causal group.