Sandra Kerka (2003) reports that "'studies in the United States at the end of the seventies already showed that between 10 and 30 percent of the economically active population had experienced at least one career change in a 5-year period' (Teixeria & Gomes, 2000, p. 78).
Of 91 skilled young adults in Germany, only one-third had continuous careers in the first 8 years after graduation and over half were employed in other occupations at least once (Heinz 2002).
The phenomenon of reverse transfer provides an indirect clue: Townsend (2003) found that 62% of bachelor's-degree holders who enroll in community colleges were seeking an associate degree or certificate in order to make a career change.
Economist, Richard Florida, among others suggests that some "hyphenates" pursue multiple concurrent careers in order to fulfill creative needs.
Some view this as an opportunity to expand meaning and purpose into later life, while others see this trend as an unfortunate economic and social reality.