Sexuality is one of the fundamental factors that influences on quality of man's life. Sexual and reproductive functions disorders lead to emotional distress and physical suffering of a couple, strain in relations, depression, disharmonious marriages and even divorces. Researches on reproductive health were conducted in Kazakhstan earlier, but analysis of population awareness about issues of sexual health has not been studied yet. Study data on opinion research of population of Astana about reproductive and sexual health is presented in the article. 7135 respondents took part in the research, 3542 of them were men (48,2%) and 3593 of them were women (51,8%). The average age of men comprised 30,3 +/- 18,9 years old, and women 37,4 +/- 11,2 years old. Such social aspects as marital status, social background, living conditions of Astana population of reproductive age were studied. Reproductive attitudes and behavior, and other issues related to reproductive and sexual health of people of reproductive age were analyzed.