Nowadays, social participation plays a significant role in development of communities. Improving public participation is provided for securing safety among citizens so that lack or increase in social participation results in several challenges and difficulties. As a result, social order supported social safety is disrupted. This research aims to investigate relationship of social participation and feeling of safety among citizens. On the other hand, what aspects of feeling of social safety in community are formed by social participation? And what are the most effective ones belonging to social participation? Library and field methodology has been used in this research. Statistical society is citizens over 16 years in city of Tehran of which 384 samples were selected using Cochran formula while date were collected using questionnaire and finally analyzed via SPASS Software. Study of relations between variables showed that physical, financial and public safety is increased by social participation in high level. Women enjoy less social safety in comparison with men. Participation with limited, medium and wide ranges has a correlation of 32 % with social safety at the same time. This research recommend that the most effective way in political manner to feel safety is attracting citizens' participation in urban activities.