FAQ
Data Scientist FAQ
Answers to the most common questions about working as a data scientist.
Straight answers to the questions people ask most about becoming a data scientist: pay, training time, degrees, certifications and whether it’s a good career.
9 questions about data scientists
Do data scientists need a master’s degree?
Not always, but many have one.
What’s the difference between a data analyst and data scientist?
Analysts focus on reporting and analysis; data scientists also build predictive models.
Which languages should I learn?
Python and SQL are the most important.
How much does a data scientist make?
The median annual wage for data scientists was $120,230 ($57.80 per hour) in May 2025, according to the U.S. Bureau of Labor Statistics. The lowest 10% earned less than $67,240 and the highest 10% earned more than $199,130.
How long does it take to become a data scientist?
Most people need about 4–6 years of training. A bachelor’s degree in statistics, math, computer science, economics or a related field is typical, and many employers prefer a master’s. Bootcamps and portfolios help people transition from analyst roles.
Do you need a degree to be a data scientist?
Usually. BLS lists a bachelor’s degree as typical, and many data scientists have master’s degrees. Some move up from data analyst roles with strong skills and portfolios.
Is data scientist a good career?
It can be, depending on your goals. Employment is projected to change +34.6% from 2025–35 (much faster than average), with about 24,800 openings each year. Upsides include very fast job growth; a common challenge is that messy data takes most of the time.
What skills does a data scientist need?
Key technical skills include python or r, sql, statistics, and machine learning. Employers also value curiosity, communication, and critical thinking.
What certifications are available for data scientists?
Common credentials include Google Advanced Data Analytics Certificate, Microsoft Certified: Azure Data Scientist Associate, AWS Certified Machine Learning, and Databricks certifications. Requirements vary by state and employer.
Still deciding?
Try the Data Scientist fit quiz, compare with Software Developer, or explore Data Scientist training.
Sources
- U.S. Bureau of Labor Statistics, BLS Occupational Employment and Wage Statistics (OEWS), May 2025, SOC 15-2051 (Data scientists).
- U.S. Bureau of Labor Statistics, BLS Employment Projections, Table 1.2 (2025–35).
- O*NET OnLine summary for Data scientists (U.S. Department of Labor).
- BLS Occupational Outlook Handbook.
Reviewed by the Career Education Institute Curriculum Team. Pay figures are national estimates; local pay varies. See our editorial policy.