Key Statistics from the National Survey of Family Growth - N Listing
- Natural family planning
- Nonbiological children – See Adoption and nonbiological parenting
- Nonmarital childbearing – See Births (mothers) and Births (fathers)
- Nonvoluntary sexual intercourse – See Forced Intercourse
- NorplantTM implant – See Implant contraceptives
- Number of children ever born – See Births (mothers) and Births (fathers)
- Number of sexual partners in the past 12 months
- Number of sexual partners in lifetime
Natural family planning
NOTE: In “Natural family planning or safe period by temperature or cervical mucus test,” to prevent pregnancy 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. Also known as “symptom-thermal method.”
- Natural family planning use among women 15-44 years of age 2011-2015:
- Percentage of women who have ever used natural family planning (among women who have ever had sexual intercourse): 3.3% (0.28)
- Percentage of all women currently using natural family planning: 0.2% (0.05)
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 2011-2015:
| 20021 | 2006-20101 | 2011-20152 | |
|---|---|---|---|
| Men | 4.6% | 3.9% | 4.0% (0.31) |
| Women | 2.4% | 1.8% | 1.7% (0.17) |
Sources:
1NSR No. 46, Table 1pdf icon
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 sexually experienced men and women aged 25-44 years of age 2002, 2006-2010 and 2011-2015:
| 20021 | 2006-20102 | 2011-20152 | |
|---|---|---|---|
| Men | 6.7 | 6.0 | 6.1 (0.43) |
| Women | 3.8 | 3.9 | 4.2 (0.08) |
Sources:
1Advance Data No. 362, Tables 10 and 11pdf icon
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 2011-2015:
| 20021 | 2006-20102 | 2011-20153 | |
|---|---|---|---|
| Men | 23.2% | 21.6% | 21.1% (0.72) |
| Women | 9.2% | 9.0% | 10.1% (0.47) |
Sources:
1Advance Data No. 362, Tables 10 and 11pdf icon
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)