How many teens are choosing not to have sex?
- Based on the 2007 Youth Risk Behavior Surveillance (YRBS) data, over half (52%) of all students in grades 9 to 12 indicated that they had not yet had sex.1
How many teens have had sex?
- Forty-eight percent (48%) of high school students reported having sexual intercourse—46% of girls and 50% of boys.1
- In 2005, 47% of all high school students reported having sex compared to 48% in 2007.1
- Between 1991-2007, the proportion of students who ever had sexual intercourse decreased from 54% to 48%.1
With whom are teen females having their first sexual experiences?
- The majority (59%) of sexually experienced teen females had a first sexual partner who was 1-3 years their senior. Only 8% had first partners who were six or more years older.2
- More than three-quarters of teen females report that their first sexual experience was with a steady boyfriend, a fiancé, a husband or a cohabiting partner.2
How many teens are sexually active?
- More than one-third (35%) of all high school students reported being sexually active (they had sex in the previous three months). Thirty-six percent of girls and 34% of boys reported being sexually active.1
- More than half (53%) of all 12th grade students reported being sexually active compared to 20% of 9th grade students.1
Are rates of teen sexual activity changing?
- Between 2005 and 2007, the proportion of students who were sexually active remained basically unchanged (34% in 2005 vs. 35% in 2007).1
- The proportion of students who were currently sexually active decreased from 38% in 1991 to 35% in 2007.1
How many teens are using substances before having sex?
- In 2007, 23% of high school students who had sexual intercourse during the past three months drank alcohol or used drugs before their last sexual intercourse.1
- Between 1991-2001, the percentage of high school students who had sexual intercourse during the past three months who drank alcohol or used drugs before their last sexual intercourse increased from 22% to 26% and then decreased during 2001-2007 (26% to 23%).1
How many teens report having multiple partners?
- In 2007, 15% of high school students reported having already had four or more sexual partners—basically unchanged from 14% in 2005.1
- Boys (18%) are more likely than girls (12%) to report that they have had four or more partners.1
- Between 1991 and 2007, the proportion of students who had sexual intercourse with four or more persons during their lifetime decreased from 19% to 15%.1
How many teens report having sex before age 13?
- Between 1991 and 2005, the percentage of teens who reported having had sex before the age of 13 decreased from 10% to 6%. 1
- between 2005 and 2007, the percentage of high school students who reported they first had sex before age 13 did not change significantly (6.2% to 7.1%).1
1 Eaton DK, Kann L, Kinchen S et al. Youth risk behavior surveillance, United States, 2007. Morbidity & Mortality Weekly Report 2008; 57(SS-4):1-138; www.cdc.gov/HealthyYouth/yrbs/pdf/yrbss07_mmwr.pdf accessed 6/11/2008.