I've also been researching this same question myself. and I've come to find out it really depends on the school you attend. i believe the best answer for this question is 5 years. i hope I've helped.
After 2 year i get the master degree.
It takes about 5 years to earn a masters degree
How many years does it take to earn your Master's Degree in Journalism
2years
The master's degree in this area will take approximately two to three years to complete post bachelor's degree, provided the student takes the degree as prescribed by the college or university.
3 Years for MD/MS Courses2 Years for diploma Courses
198 years
Typically it is two years of full-time study beyond the Bachelor's degree.
The master's degree can take approximately two to three years to complete, depending on the specific program of study, the credit load carried per semester, and provided you take the degree as prescribed by the college or university.
3-11 years
No, however many do. There are three options to become a registered nurse as follows.diploma program (typically three years, not recommended for individuals who do not have an already existing degree)associate degree (two years as a full-time student once the student starts the professional phase of the program)bachelor's degree (BSN) (four years as a full-time student)For the source and more detailed information concerning your request, click on the related links section (U.S. Department of Labor) indicated at the bottom of this answer box.
You need at least a bachelor's degree, (4 years) but a master's degree wouldn't hurt...(6 years)