National Survey of Family Growth

Key Statistics from the National Survey of Family Growth - S Listing

 

Sexual activity between opposite-sex partners

Vaginal (sexual) intercourse

T Listing Tables
2015-2017
Women 15-49 Men 15-49
Mean age at first vaginal intercourse 17.6 years (0.12) 17.2 years (0.13)

Source: Special tabulation by NCHS

Oral sex between women and men

Percentage of women and men who have ever had oral sex with an opposite-sex partner:

T Listing Tables
2015-2017
Women  Men 
All aged 15-49 81.5% (1.12) 82.1% (0.78)
Teens 15-19 46.9% (3.33) 43.1% (2.54)

Source: Special tabulation by NCHS

Anal sex between women and men

T Listing Tables
2015-2017
Women  Men 
Percentage of men and women 15-49 years of age who have ever had anal sex with an opposite-sex partner 32.6% (1.21) 38.5% (1.34)

Source: Special tabulation by NCHS

 

Sexual activity between same-sex partners

 Sexual activity between women

T Listing Tables
2015-2017
Percentage of women 18-49 years of age who have ever had any sexual
activity with another female partner
17.9% (0.90)

Source: Special tabulation by NCHS

Sexual activity between men

Percentage of men 18-49 who had any sexual activity with another man:

 

T Listing Tables
2015-2017
During his lifetime
7.0% (0.75)
During the last 12 months
3.7% (0.58)

Source: Special tabulation by NCHS

 

Sexual orientation and attraction

Sexual orientation for women 18-49 years of age

T Listing Tables
NSFG version NHIS version
Heterosexual or straight 91.4% (0.76) 88.9% (0.93)
Homosexual or gay (or lesbian)   3.1% (0.66)   1.9% (0.44)
Bisexual   5.4% (0.65)   6.1% (0.57)
Something else Option not offered   3.1% (0.52)

Note: The 2015-2017 NSFG included two versions of the question on sexual orientation, randomly assigned each to half of the sample. One is the NSFG version as used since 2008, and the other is the National Health Interview Survey (NHIS) as used since 2013. Please see Webdoc online codebook for the exact wording of response categories for the two questions.

Source: Special tabulation by NCHS

Sexual orientation for men 18-49 years of age

T Listing Tables
NSFG version NHIS version
Heterosexual or straight 95.8% (0.57) 92.3% (0.87)
Homosexual or gay (or lesbian)   2.1% (0.50)   3.3% (0.63)
Bisexual   2.0% (0.31)   2.0% (0.40)
Something else Option not offered    2.3% (0.46)

Note: The 2015-2017 NSFG included two versions of the question on sexual orientation, randomly assigned each to half of the sample. One is the NSFG version as used since 2008, and the other is the National Health Interview Survey (NHIS) as used since 2013. Please see Webdoc online codebook for the exact wording of response categories for the two questions.

Source: Special tabulation by NCHS

Sexual attraction for women and men 18-49 years of age

T Listing Tables
2015-2017
Women Men
Only opposite sex 79.5% (1.03) 91.9% (0.80)
Mostly opposite sex 13.1% (0.77)   3.4% (0.41)
Equally to both    3.4% (0.33)   1.1% (0.17)
Mostly same sex    1.4% (0.27)   1.2% (0.37)
Only same sex    1.4% (0.27)   1.8% (0.27)
Not sure    1.5% (0.29)   1.8% (0.27)

Source: Special tabulation by NCHS

 

STD/HIV risk

Percentage of women and men 15-49 years of age who engaged in the specified STD/HIV risk-related behavior in the last 12 months:

T Listing Tables
2015-2017
Women Men
Treatment for sexually transmitted diseases (STDs) 3.7% (0.38) 2.3% (0.31)
Five or more opposite-sex partners 2.3% (0.29) 2.9% (0.30)
Sex in exchange for money or drugs 0.7% (0.13) 1.8% (0.37)
Sex with an HIV-positive partner 0.1% (0.05) 0.2% (0.08)
Drug use: Illicit drug injection or crack cocaine use 0.7% (0.14) 1.8% (0.34)
Sexual activity between men (asked of men only) NA 3.5% (0.54)
Male partners who have sex with other men (asked of women only) 1.6% (0.26) NA
Any HIV risk-related behavior (as specified above) 8.0% (0.57) 10.3% (0.73)

Note: Each behavior may increase an individual’s risk of HIV and other STDs; respondents could report more than one of these behaviors. “NA” indicates item is not applicable.

Source: Special tabulation by NCHS

 

Sterilization (female)

Percentage ever having a female sterilization operation, by type of operation

T Listing Tables
2015-2017
Percentage of women who have ever had: Women aged 15-49 Women aged 40-49
Tubal sterilization 15.8% (1.1) 31.6% (2.43)
Hysterectomy   5.3% (0.61) 14.2% (1.67)
Other sterilizing operations   2.9% (0.49)   7.9% (1.31)

Source: Special tabulation by NCHS

 

Main reason for operation

Among women 15-49 years of age who had a tubal sterilization within the past 5 years, percent distribution by main reason for the tubal sterilization:

T Listing Tables
2015-2017
She had all the children she wanted 67.1% (4.93)
Her husband or partner had all the children he wanted   3.4% (1.30)
Medical reasons for the tubal sterilization 23.0% (4.42)
Problems with other methods of birth control   2.1% (0.97)
Other reasons   4.3% (1.98)

Source: Special tabulation by NCHS

 

Among women 15-49 years of age who had a hysterectomy within the past 5 years, percent distribution by main reason for the hysterectomy:

T Listing Tables
2015-2017
She had all the children she wanted   2.6% (2.18)
Medical reasons for the hysterectomy 95.8% (2.66)
Other reasons    1.6% (1.54)

Source: Special tabulation by NCHS

 

 

 

Page last reviewed: August 17, 2020