According to research cited by the American Association of University
Professors, 87% of women and 81% of men reproduce.
"Eighty-seven percent of women become parents during their working
3. Jane Waldfogel, "The Effect of Children on Women’s Wages," American
Sociological Review 62 (1997): 209.
Similarly, 81 percent of men become fathers at some point in their
lives. See Nancy E. Dowd, Redefining Fatherhood (New York: New York
University Press, 2000)"
American Association of University Professors
Similar percentages are reported by the US Department of Health &
Percentage of adults ages 45 and older who have ever had a biological
US Department of Health & Human Services
"Charting Parenthood: A Statistical Portrait of Fathers and Mothers in
Of course, these percentages do not include the adults ages 45 and
older who have not yet had their first child but eventually do so.
However, against the population as a whole, such people aren't going
to be statistically significant.
The number of births to women 45 to 54 years old was 4,565 in 2000.
source: Associated Press
4,565 births represents only a tiny percentage of the total births in
the U.S., and it is even less significant for purposes of this
question when you consider that many of those mothers were not
first-time mothers. And while men older than 45 can and do father
children, the percentage of men who become first-time fathers at 45 or
older is very small.
"Eighty percent of Americans today become parents."
Here are various related statistics from countries other than the
For women born more recently childlessness appears to be on the rise
and on current rates is expected to reach 28%."
Australian Demographic Statistics
Special Article - Lifetime Childlessness (Sep, 1999)
"Only 10 percent of French women will not have children, which is
indeed low, compared with countries like Germany, where it reaches 17
"Canadian research suggests that around 11 percent of men will not
percent "become parents" "some point"
"men will have children"
"women will have children"
"americans will have children"
percent "ever have children"
"birth to at least one child"
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