STEM includes sixth largest share of new jobs over next decade says projections.

STEM, as this group of occupations is known, is the sixth-largest cluster and will also provide the sixth-largest share of job openings in the economy over the next decade. While these occupations are not large in number, they generate the technological changes that shape all other occupations. In 2008, STEM Occupations accounted for about 7.3 million jobs, or about 5 percent of the 147 million in the U.S. econ­omy. By 2018, they are projected to increase to 8.6 million jobs, or 5.3 percent of the nation’s 162 million total positions.