Introduction Tehran is the capital city of IR Iran with about 12 000 000 inhabitants. Consisting of 22 districts. Injuries happen with different rate and type in different zones.
Methods 10% of population of Tehran considered for the households survey based on Urban HEART (urban Health Equity Assessment and Response Tool) interviewer were trained uniformly. The result will be used as a baseline for the future assessment.
Results Females are mostly involved in fall, burn and poisoning while men are mostly involved in traffic accidents, interpersonal violence and electric shocks. Most accidents were among families with 3–5 members. Aged 15–40 years old from the low income groups were affected more. In traffic accident the young males are the most affected victims more are living in districts 14, 15, 18, 9, 19 & 4 respectively. In district 11, 12, 14 most of the victims were motorcyclists. In districts 2, 3 & 5 victims were pedestrians predominantly. Children and old ages are the victims of Fall, there is no gender differences in most of the districts area except in district 19 where males are falling twice than females and in districts 1, 2, 3 & 12 this ratio is vice versa (p≤0.05). Burns were more recorded in districts 13, 16, 17, 12 respectively and the least from districts 3, 2, & 5. At the level of p≤0.05 with 95% CI differences between districts were significant.
Conclusion Tehran is mega city. By knowing the districts characteristics and sex and age differences, the urban managements will be improved through better policy making.