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).
In the British system, which seems to apply to you based on your word choice and writing style, it takes 4 years after A-levels to get an MPhys. It then takes 3-4 more years to get a PhD (3 years minimum, but many universities are moving to 4 years).The PhD will be fully funded, meaning that you don't pay any fees, and you get about Â£1000/month tax free for living expenses.ndergrad in physics (3-4 years), do well, apply to Ph.D program. Earn Ph.D in 4-5 years. Post-doc for 3-4 more years as a researcher. By then you can qualify for a professorship or go into industry.