Compare 5 Data Science courses from top providers — filter by price, level, provider & certificate.
Every free Data Science courses we track — 5 right now. You can work through the full syllabus at no cost; on some platforms the certificate is a paid add-on.
This filter returns courses that cost nothing to enrol in. All five courses on this page are free, so you can start learning Python, statistics, or machine learning without a fee. Three of the courses — Codecademy's Getting Started with Python for Data Science, Scaler's Data Science Course - Mastering the Fundamentals, and HarvardX's Introduction to Data Science with Python — include a certificate for free, while IBM's Data Science Professional Certificate and freeCodeCamp's Free Data Science with Python also offer a certificate but may require a payment if you want the verified credential.
| Course | Provider | Level | Duration | Certificate |
|---|---|---|---|---|
| Getting Started with Python for Data Science | Codecademy | Beginner | 7h | Yes |
| Data Science Course - Mastering the Fundamentals | Scaler | Beginner | 8h 45m | Yes |
| HarvardX: Introduction to Data Science with Python | edX | Beginner | 8 weeks | Yes |
If you need placement assistance or a university degree, a free course may not give you the career services or accredited credential that a paid programme provides. In that case, browse the Data Science Courses with Placement Support facet or the Data Science Courses with Certificate facet instead.
| Course | Provider | Duration | Level | Certificate |
|---|---|---|---|---|
| Free Data Science with Python | freeCodeCamp | 300 hours | Beginner | Yes |
| IBM Data Science Professional Certificate | edX | 80 hours | Beginner | Yes |
| HarvardX: Introduction to Data Science with Python | edX | 8 weeks | Beginner | Yes |
Link back to the parent hub: Data Science courses. Sibling facet: Free Data Science Courses with Certificate.
Same shortlist as below, side by side — including who runs it and why it stands out.
| Course | Provider | Rating | Price | Duration | Why pick this one | |
|---|---|---|---|---|---|---|
| Getting Started with Python for Data Science | Codecademy | 4.6★ | Free | 7h | Highest rated (4.6★ from 1.9K reviews) | Start free ↗ |
| Data Science Course - Mastering the Fundamentals | Scaler | Free | 8h 45m | Free — certificate included | Start free ↗ | |
| HarvardX: Introduction to Data Science with Python | 4.3★ | Free | 8 weeks | Free — certificate included | Start free ↗ | |
| Free Data Science with Python |  freeCodeCamp |
Free | 300 hours | Free — and still gives a certificate | Start free ↗ | |
| IBM Data Science Professional Certificate | Free | 80 hours | Free to audit | Start free ↗ |
freeCodeCamp VerifiedFor beginners, IBM Data Science (Coursera) and freeCodeCamp's free Python track are the highest-rated — both start from zero and build to real projects.
Yes. freeCodeCamp, Kaggle and IBM (audit on edX) offer high-quality free data science content. Paid courses add structure, certificates and placement support.
Roughly 4–8 months at 8–10 hours a week to become job-ready, covering Python, statistics, ML and a portfolio project.
