Throughout the world, data is revolutionizing and propelling enterprises. Nearly all industries require data scientists. To excel in data science, aspirants can consider getting a PhD in data science.

This article discusses everything one needs to know about PhD in data science.

What is a PhD in Data Science?

A PhD in Data Science is the highest qualification for an aspiring data scientist. For anyone who wants to be at the highest point of their field, getting a PhD is the answer. It demonstrates to employers and fellow professionals that you are an expert in data science. This degree highly relies on research work.

PhD Vs Master's Degree in Data Science

Do you need a PhD in Data Science or a Master’s is enough?

  • PhD in Data Science: A PhD in data science emphasizes on conducting deep research on a particular specialized topic. Normally, it takes four to five years to finish, though it often takes longer based on a variety of individual reasons.
  • Master’s: Master's in data science program focuses a strong emphasis on giving students the practical skill sets they need to get ready for the workforce. Normally, it takes one to two years to finish.

Become a Data Scientist With Real-World Experience

Data Scientist Master’s ProgramExplore Program
Become a Data Scientist With Real-World Experience

Why Earn a PhD in Data Science?

A Doctorate in data science is perefct for anyone who wants to excel in their career as a data scientist. A PhD is your ideal match if you want to conduct research in specific specialization. Along with studying and researching, you could also work as an instructor in an institution.

PhD Benefits

These are the benefits of getting a PhD in Data Science:

  • It will improve your data analysis abilities and allow you to specialize in areas where no one else can.
  • It gets you ready for some of the most innovative research.
  • It might aid in finding solutions to genuine issues.
  • A data scientist with this degree is highly competent.

PhD Disadvantages

These are the drawbacks of getting a PhD in Data Science:

  • If you cannot locate or own a means of funding it, it will be pricey.
  • It involves reading and writing for long periods alone.
  • Time-consuming is a possibility.

PhD in Data Science Curriculum

The basic curriculum of PhD in Data Science includes:

  • Complete over 70 credits while keeping your cumulative grade point average at 3.0 each semester.
  • For electives, complete almost 40 credits.
  • Fulfill the prerequisites for teaching.
  • Ace the comprehensive test.
  • All requirements for the PhD dissertation's approval must be met.

Considerations When Choosing a PhD in Data Science Program or College

When applying to practically any graduate school in data science, there are a few important factors to know.

  • Admission Requirements: Generally, students should have at least a bachelor's degree; however, some schools require master's degree holders.
  • Dissertation: The dissertation proposal must be approved by the faculty.
  • Staff: PhD candidates should take into account the qualifications, standing, and diversity of the professors.
  • Cost: For many students, choosing a school is heavily influenced by cost and financial aid.

PhD in Data Science Preparation Courses

Before writing a research proposal for your PhD program, considering a data science preparation course can be helpful.

  1. Simplilearn’s PGP in Data Science: Before continuing to the more complex concepts in data science, students who want to begin and complete the basic portion of the curriculum should choose this course.
  2. Praxis Business School’s PGP in Data Science: Via in-class lectures, assignments, and projects, the curriculum provides the students with skills in business, technology, and other fields.
  3. Data Science Specialization by John Hopkins University: Across the whole data science workflow, this program covers the ideas and technologies you'll need.
  4. IBM Data Science Course: The nine courses in this program will provide you with the most recent job-ready methods and skills in a wide range of fields of data science.

How Much Does a PhD in Data Science Cost?

The cost of a Doctorate in data science will vary depending on the institution you attend. The average cost of a Doctorate is roughly $30,000. The cost of four years of schooling would be $120,000.

The Exclusive Path to Your Dream Career

Data Science Career GuideGet Your Copy
The Exclusive Path to Your Dream Career


A Doctorate will put you in a good position to pursue this if you want to take part in data science workflow, which involves not only using libraries and ideas but also generating them. You can go for a data science boot camp if you don't want to do a PhD Simplilearn’s Data Science Bootcamp is the best boot camp for data science students.


1. Can You Get a PhD in Data Science Online?

Yes, there are many institutions that offer data science courses online. You need to research thoroughly before choosing the best PhD online program.

2. What Does it Cost to Get a PhD in Data Science?

A PhD in Data Science can be costly if you do not have the right funds. However, you can anticipate spending over $100,000 on this course.

3. Should you really get a PhD in Data Science?

For experts who have already made a name for themselves, a data science PhD may not be required. Yet, this is the greatest certification that can be earned, and it will boost your reputation in the field.

4. What is the length of a data science PhD?

PhD in data science generally takes up to five years.

5. What is the scope of a PhD in data science?

You may develop your career and become prepared for research in the area with a Doctorate in data science. But, your individual objectives and financial capacity will determine if you should pursue one.

6. Which PhD is best for data science?

There are various data science PhD specializations: Statistics, Machine Learning, Data Analytics, etc.

7. Is PhD in data science difficult?

A Doctorate can be challenging and frustrating. Writing up a Doctorate can require several months of diligent labor.

8. What is a good salary after PhD?

After earning a Doctorate, the average pay in data science might reach $141,400 annually according to Glassdoor. That could be increased to $227K or more with extra training.

About the Author


Simplilearn is one of the world’s leading providers of online training for Digital Marketing, Cloud Computing, Project Management, Data Science, IT, Software Development, and many other emerging technologies.

View More
  • Disclaimer
  • PMP, PMI, PMBOK, CAPM, PgMP, PfMP, ACP, PBA, RMP, SP, and OPM3 are registered marks of the Project Management Institute, Inc.