Young Americans Most Likely to Expect to Retire Before Age 55. About 30% of non-retired Americans in all age groups expect to retire before the age of 65. But 11% of 18- to 29-year-olds expect to retire before age 55, a much higher percentage than other groups.
The PhD takes another 2-6 years after the masters. There's no set length for a PhD in the US-it's very common for it to take 4+ years after the masters. It depends on the degree you want, the requirements of the program (those are not standard), you, your motivation, your project, your adviser, and your committee.o get a PhD, you can either do a masters first, or enroll in a PhD program after the bachelors, in which case you'd take the masters coursework before working on the PhD even if you don't get a masters degree specifically (this is called masters en route).
Almost all PhD programs also have an extensive independent research and writing requirement, called the dissertation. Some masterâs degree programs require a thesis paper, but itâs less intensive than a dissertation. Time and Money Matters. You can typically finish a masterâs degree in one to three years, whereas a PhD takes four or more years. But the masterâs degree isnât necessarily less expensive, even though it doesnât take as long to complete.