About one-third of high school students report they are sexually active. An exception is a significant decrease among black students, where the proportion who are sexually active declined from 59 percent in 1991 to 33 percent in 2015. the report, sexual activity and contraceptive use among teenagers in the united states 2011-2015, features the most recent data from the national survey of family growth (nsfg), conducted by nchs, and compares the new data to past nsfg data. Sexual activity how many teens are choosing not to have sex? Based on the 2015 youth risk behavior surveillance (yrbs) data, over half (59) of all students in grades 9 to 12 indicated that they had not yet had sex. Rachel fortune, md, national medical director for newport academy. Parents of teens should encourage honest discussions of sexuality and answer questions as frankly as possible. Every family has its own values and beliefs about sexual activity in the teenage years. Adolescent sexuality is a stage of human development in which adolescents experience and explore sexual feelings. Interest in sexuality intensifies during the onset of puberty, and sexuality is often a vital aspect of teenagers lives. In humans, sexual interest may be expressed in a number of ways, such as flirting, kissing, masturbation, or having sex with a partner. Human sexual activity, human sexual practice or human sexual behaviour is the manner in which humans experience and express their sexuality. People engage in a variety of sexual acts, ranging from activities done alone (e. ) in varying patterns of frequency, for a wide variety of reasons. Teenagers have had sex by age 18 and virtually all sexually experienced teens (more than 99) have used some form of birth control, based on data from 2011-2015 in a report released today from the national center for health statistics (nchs). Sexual activity and contraceptive use among teenagers in the united states 2011-2015, is a report on the. The age of consent to any form of sexual activity is 16 for both men and women, whether they are heterosexual, homosexual or bisexual. Between 19 the teenage conception rate fell by 13.