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National Survey of Family Growth

Key Statistics from the National Survey of Family Growth

 

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Natural family planning

NOTE: In "Natural family planning or safe period by temperature or cervical mucus test," a woman checks her temperature or the consistency of her cervical mucus to determine her fertile days and abstains from intercourse on those fertile days.

  • Natural family planning use among women 15-44 years of age 2011-2013:
    • Percentage of women who have ever used natural family planning among those who ever had sexual intercourse: 3.6%1
    • Percentage of all women currently using natural family planning: 0.1%2

Sources:
1Special tabulation by NCHS
2
Data Brief No. 173, Data Table Figure 2 [PDF - 639 KB]

 

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Nonvoluntary sexual intercourse

Of females 18-24 years of age in 2011-2013 who have had sex before age 20, percent whose first intercourse was not voluntary: 6.2%

(Based on the question: "Would you say then that this first vaginal intercourse was voluntary or not voluntary, that is, did you choose to have sex of your own free will or not?")

Source: Special tabulation by NCHS

 

 

Number of sexual partners in the past 12 months

Percentage of men and women 15-44 years of age who have had five or more opposite sex partners in the past 12 months, 2002, 2006-2010 and 2011-2013:

  20021 2006 -20101 2011-20132
Men 4.6% 3.9% 5.2%
Women 2.4% 1.8% 2.0%

Sources:

1NHSR No. 46, Table 1
2 Special tabulation by NCHS

 

NOTE: Includes partners with whom respondent had any type of sexual contact (vaginal, oral, or anal sex)

 

Number of sexual partners in lifetime

Median number of opposite-sex partners in lifetime among men and women aged 25-44 years of age 2002, 2006-2010 and 2011-2013:

  20021 2006 -20102 2011-20132
Men 6.7 6.0 6.6
Women 3.8 3.9 4.3

Sources:

1Advance Data No. 362, Tables 10 and 11
2Special tabulation by NCHS

 

Percentage of men and women aged 15-44 years of age who have had 15 or more opposite-sex sexual partners in lifetime, 2002, 2006-2010 and 2011-2013:

  20021 2006 -20102 2011-20133
Men 23.2% 21.6% 21.8%
Women 9.2% 9.0% 10.6%

Sources:

1Advance Data No. 362, Tables 10 and 11
2Chandra A, Copen CE, Mosher WD. Sexual Behavior, Sexual Attraction, and Sexual Identity in the United States: Data from the 2006–2010 National Survey of Family Growth. In: Baumle AK (ed).  International Handbooks of Population, International Handbook on the Demography of Sexuality. Volume VI: Springer Science and Business Media Dordrecht, 2013:45-66. (Available upon request at nsfg@cdc.gov).
3Special tabulation by NCHS

NOTE: Includes partners with whom respondent had any type of sexual contact (vaginal, oral, or anal sex)

 

 

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Contact Us:
  • National Survey of Family Growth Staff
    Division of Vital Statistics
    National Center for Health Statistics
    3311 Toledo Road
    Hyattsville, MD 20782-2064
  • (301) 458-4222
  • NSFG@cdc.gov
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