There was studied population-based survival of 1689 breast cancer patients in the Republic of Buryatia whose had been di- agnosed in 2007-2013 on the basis of cancer registry database. There was performed an estimation and analysis of observed adjusted and relative survival. The higher stage of the disease and older age of women at the diagnosis the lower rates of 1- and 5-year survival. A 5-year relative survival rate was higher in invasive carcinoma of the unspecific type (74.2%), in patients living in Ulan-Ude (76.9%) and representatives of the indigenous population (73.4%).