A Ph.D. is a doctorate degree that requires approximately 10 years of education and experience to obtain. Some professional occupations require this level of education, especially those related to government-funded and specialised research. Many Ph.D.-level professionals are published authors and contributors to new discoveries and products. In March 2011, PayScale reported average salaries for those who obtained a Ph.D. in a variety of disciplines.
Professionals who obtained a Ph.D. can increase their salary as they gain experience. PayScale estimated average salaries based on 1,190 individuals who obtained a Ph.D. Those with less than one year of experience earned an average salary of £33,857 per year. Those with one to nine years of experience earned average salaries ranging from £39,956 to £50,841 per year. Those with 10 to 19 years of experience earned an average of £59,561 per year and those with more than 20 years of experience earned an average of £68,477 per year.
Many individuals with a Ph.D. move into teaching careers at colleges and universities. According to PayScale, assistant professors earn an average salary of £34,022 per year, and associate professors earn an average salary of £43,150 per year. Professors who are head of departments at colleges and universities earn an average salary of £59,515 per year.
Research scientists work in industries such as education, pharmaceuticals, medicine and biotechnology. PayScale reports general research scientists earn an average salary of £57,529 per year. Research scientists in the biotechnology industry earn an average salary of £51,562 per year. Postdoctoral research associates earn an average salary of £25,759 per year.
Clinical psychologists are required to have a doctoral degree and most related occupations require a state-administered license to practice professionally. These professionals diagnose and treat mental disorders and help individuals cope with problems. According to PayScale, clinical psychologists with a doctorate degree earn an average salary of £45,354 per year.