Home / Career Services / A History of American Careers [Infographic] April 17, 2019 A History of American Careers [Infographic] By B&SC Career Services Team As the American job market evolved over the past few centuries, the need for a skilled and educated workforce has become more and more important. In 1940 only about 1 in 20 Americans held a bachelor’s degree. By 2018, 63% of jobs will require some form of higher education. This timeline looks back to early American careers and the skills necessary to fill them, how the need for education has progressed through modern times, and where job growth is moving from now until 2020.