Age Distribution of STEM Workers: 1970 to 2011
(Data based on sample. For information on con dentiality protection, sampling error, nonsampling error, and de nitions,
Percent distribution of STEM employment
Sources: U.S. Census Bureau, 1970, 1980, 1990, and 2000 decennial censuses and 2011 American Community Survey.
STEM Employment by Age
workers have a slightly younger
workers were in their twenties and
age profile than non-STEM workers.
Workers between the ages of 35
STEM workers are more likely to be
The aging of the STEM workforce
and 44 make up the largest share
in core working-age groups (aged
may have a disproportionate
of the STEM workforce, while work-
25 to 54) than non-STEM workers.
impact on women’s share of the
ers between the ages of 45 and 54
Because most STEM workers have a
STEM workforce. Some research
make up the largest share of non-
bachelor’s degree or higher level of
indicates that younger women
STEM employment (Table 4). Figure
education, few STEM workers are
today are more likely to pursue
6 shows that the STEM workforce
younger than 25.
training in a STEM field, and this
is becoming older and more age-
may contribute to their larger share
For more information about STEM
diverse, compared with 1970 to
of employment in STEM compared
workers under the age of 25, see “Selected
1990, when a larger share of STEM
Characteristics by Employment in STEM
Occupations: 2011” at <www.census.gov
The aging of the STEM workforce is
similar to the aging of the total workforce.
U.S. Census Bureau