Free learning library

Learn from the best free sources.

A short, hand-picked library — not an endless feed. Every channel below includes what it teaches, who it suits, and exactly which videos to watch first. Every dataset source includes what you can download and how to use it.

YouTube learning library

8 channels · Each "Watch first" link opens a YouTube search for that exact series, so you always land on the newest version of the video.

Alex The Analyst

Analyst · Beginner · Career-focused, hands-on

Alex went from a non-technical job to a data analyst and documents exactly how. His channel is built around the real analyst workflow: Excel, SQL, Power BI and Python, plus portfolio projects and resume advice aimed at landing a first job.

Best forAbsolute beginners who want a guided path into a data analyst job.

Watch first

Data Analyst Bootcamp series
A complete free path: Excel → SQL → Power BI → Python, in order.
SQL tutorial series
Teaches SQL the way analysts actually use it at work.
Portfolio project walkthroughs
Follow along and publish the same project on your own GitHub.

Analyst path

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freeCodeCamp

Python · Beginner → Advanced · Full-length courses

A non-profit that publishes complete university-style courses for free — often 4 to 12 hours long, taught by industry engineers. The data catalogue covers Python, SQL, data analysis with pandas, machine learning and data engineering, all with code-along projects.

Best forLearners who want one complete course instead of scattered short videos.

Watch first

Data Analysis with Python (full course)
NumPy, pandas, Matplotlib and real datasets in one course.
SQL full course for beginners
Covers everything in the Analyst roadmap's SQL stage.
Machine Learning with Python
The natural next step after pandas fundamentals.

Analyst pathScientist pathEngineer path

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StatQuest

Statistics · All levels · Visual concept explainers

Josh Starmer explains statistics and machine learning one concept at a time, with hand-drawn visuals and no unnecessary jargon. Each video builds intuition before maths, which makes it the perfect companion when a formula in your course stops making sense.

Best forUnderstanding the 'why' behind statistics and ML algorithms.

Watch first

Statistical fundamentals playlist
Mean, variance, distributions and p-values made intuitive.
Machine learning algorithm explainers
Linear regression to random forests, one clear video each.
Neural network essentials
The gentlest on-ramp to deep learning concepts.

Scientist path

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Guy in a Cube

Power BI · Intermediate · Practitioner tips

Run by Microsoft insiders, this channel goes beyond basic Power BI tutorials into the things that break in real jobs: data modelling, DAX performance, gateways, deployment pipelines and licensing. Weekly videos track new Power BI features as they ship.

Best forAnalysts who know Power BI basics and want job-ready depth.

Watch first

DAX fundamentals videos
DAX is where most self-taught analysts struggle — start here.
Data modelling & star schema guides
The skill that separates dashboard builders from BI developers.
Power BI deployment & sharing
What actually happens when a company adopts your report.

Analyst path

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Leila Gharani

Excel · Beginner → Advanced · Polished, example-driven

One of the most respected Excel educators online. Her tutorials cover modern Excel properly — XLOOKUP, dynamic arrays, Power Query, pivot tables and dashboard design — always through realistic business examples rather than abstract demos.

Best forMastering the Excel stage of the Analyst roadmap thoroughly.

Watch first

XLOOKUP & dynamic array tutorials
Modern Excel functions employers now expect you to know.
Power Query series
Automates the cleaning work that eats most analyst hours.
Excel dashboard builds
A finished dashboard is a ready-made portfolio piece.

Analyst path

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Seattle Data Guy

Engineering · Intermediate · Career & architecture

A data engineer who has worked at major tech companies, explaining how data systems are actually designed: pipelines, warehouses, Airflow, Spark, streaming and cloud data platforms. Strong on career strategy — what engineers are hired for and how interviews work.

Best forUnderstanding what data engineering work looks like before you commit.

Watch first

Data engineering career & roadmap videos
Shows the skills companies actually interview for.
Data pipeline & architecture explainers
Connects the tools in the Engineer roadmap into real systems.
SQL & Python for data engineers
Engineering-grade SQL beyond analyst queries.

Engineer path

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Krish Naik

ML · Beginner → Advanced · End-to-end ML teaching

A data scientist who teaches machine learning and deep learning end to end: statistics, algorithms, Python implementation, and complete projects including deployment. His structured playlists mirror a full data science syllabus and are popular with Urdu/Hindi-speaking learners.

Best forA complete, ordered machine learning curriculum for the Scientist path.

Watch first

Complete machine learning playlist
Algorithms in teaching order, each with Python code.
Statistics for data science series
Covers the maths the Scientist roadmap assumes.
End-to-end ML project videos
See a model go from notebook to deployed app.

Scientist path

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Corey Schafer

Python · Beginner · Thorough fundamentals

The gold standard for Python fundamentals on YouTube. Corey teaches slowly and precisely — every concept explained, every example typed live — covering core Python, pandas, Matplotlib, Git and Flask. No shortcuts, which is exactly why his viewers write clean code.

Best forBuilding unshakeable Python foundations before touching data libraries.

Watch first

Python tutorial for beginners series
The cleanest introduction to core Python anywhere.
Pandas tutorial series
DataFrames taught properly, method by method.
Git tutorial for beginners
Version control you will use in every project.

Analyst pathScientist pathEngineer path

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What data is trending right now

Choosing a trending theme makes your portfolio more relevant to employers. These are the areas where demand for data skills is growing fastest.

AI & machine learning

Text, image and benchmark datasets are in highest demand as AI roles grow.

Climate & energy

Temperature, emissions and energy-transition data for high-impact portfolio stories.

Finance & inflation

Prices, exchange rates and economic indicators — especially relevant in Pakistan.

Healthcare

Public health indicators and hospital data for analysis with real social value.

E-commerce & customer behaviour

Sales, churn and marketing data — the most common interview project theme.

Public policy & census

Government open data for district-level analysis that stands out locally.

Free dataset directory

Every source below tells you what kind of data you can download, what you can use it for, and honest strengths — so you pick the right one for your project.

Open full filterable directory

Kaggle Datasets

Beginner · Analyst · Scientist

The largest community library of datasets, each with public notebooks so you can see how others analysed the same data.

You can download

CSVJSONSQL

Sales · Marketing · Finance · Healthcare · Sports

Use it for

Retail sales dashboard
Customer churn model

Best forBeginners who want clean data plus example notebooks to learn from.

UCI Machine Learning Repository

Intermediate · Scientist

Classic, well-documented datasets used in ML research and university teaching for decades.

You can download

CSV

Healthcare · Finance · Customer behaviour

Use it for

Credit risk classifier
Wine quality regression

Best forMachine learning practice with small, clean, well-documented data.

Google Dataset Search

Beginner · Analyst · Scientist · Engineer

A search engine that finds datasets published anywhere on the web — ideal when you need something niche.

You can download

CSVJSONExcel

Public policy · Climate · Education

Use it for

Find niche data for a unique portfolio project

Best forHunting down a specific topic nobody else in your class will have.

Pakistan Bureau of Statistics

Beginner · Analyst

Official census, labour force, price and trade statistics for Pakistan — the source behind national headlines.

You can download

ExcelPDF

Public policy · Education · Finance

Use it for

Inflation trend dashboard
Provincial labour force analysis

Best forPakistan-focused projects that stand out to local employers.

Open Data Pakistan

Beginner · Analyst

Community open-data portal with ready-to-use datasets about Pakistan's districts, schools and infrastructure.

You can download

CSVExcel

Education · Public policy · Transportation

Use it for

School enrolment analysis by district

Best forClean Pakistan data in CSV without digging through PDF reports.

World Bank Open Data

Beginner · Analyst · Engineer

Development indicators for every country — GDP, population, education, health — with a free API for engineers.

You can download

CSVExcelAPI

Finance · Education · Public policy · Climate

Use it for

Compare South Asian economies
API-to-database pipeline

Best forCountry comparisons and learning to pull data from a real API.

Our World in Data

Beginner · Analyst · Scientist

Research-quality data on health, energy, climate and living standards, maintained by Oxford researchers.

You can download

CSV

Healthcare · Climate · Education

Use it for

Energy transition storytelling report

Best forStorytelling projects with trustworthy, citable global data.

Data.gov

Intermediate · Analyst · Engineer

The US government's open-data portal — hundreds of thousands of datasets on transport, health, crime and more.

You can download

CSVJSONAPI

Transportation · Public policy · Healthcare

Use it for

Traffic accident analysis

Best forLarge, real-world messy datasets that test your cleaning skills.

NASA Open Data

Advanced · Scientist · Engineer

Earth science, climate and space mission data straight from NASA's programmes.

You can download

CSVJSONAPI

Climate

Use it for

Temperature anomaly forecasting

Best forAdvanced climate and time-series projects with serious wow factor.

Hugging Face Datasets

Advanced · Scientist

Thousands of text, image and audio datasets for machine learning, loadable in two lines of Python.

You can download

JSONCSVAPI

Customer behaviour · Education

Use it for

Urdu/English sentiment classifier

Best forNLP and modern ML projects beyond plain tables.

AWS Open Data Registry

Advanced · Engineer

Large public datasets hosted on cloud storage — satellite imagery, genomics, climate — ideal for big-data practice.

You can download

JSONCSVAPI

Climate · Transportation

Use it for

Spark processing of multi-GB data

Best forPractising Spark and cloud tools on genuinely large data.

Maven Analytics Data Playground

Beginner · Analyst

Clean, business-style datasets made specifically for portfolio dashboards, with guided project briefs.

You can download

CSVExcel

Sales · Marketing · Human resources · Finance

Use it for

HR attrition dashboard
Restaurant orders analysis

Best forYour first Power BI or Excel portfolio dashboard.