Data Learning Resources

πŸ“ Free Practice Datasets

Explore free dataset repositories for data analysis, visualization, machine learning, statistics, and portfolio projects.

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Downloadable Practice Files

Original synthetic CSV files created for practice. They contain no real customer data and may be freely used, modified, and redistributed.

Synthetic CSV

Monthly Sales Records

Practice sales summaries, revenue trends, charts, pivot tables, and forecasting.

Sales Business Beginner
Download Dataset
Synthetic CSV

Customer Reviews

Practice text cleaning, customer-feedback analysis, sentiment classification, and visual reporting.

Reviews Text NLP
Download Dataset
Synthetic CSV

E-commerce Transactions

Analyze purchases, customer behavior, product performance, order totals, and transaction trends.

E-commerce Transactions Retail
Download Dataset

Practice data notice: These three downloadable files are fictional datasets created for YG-Tech learning resources. No real people, customers, or transactions are represented.

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General Dataset Repositories

Large collections covering many subjects and file formats.

Repository

Kaggle Datasets

Community datasets for analytics, machine learning, visualization, and competitions.

Visit Kaggle
Search Engine

Google Dataset Search

Search for datasets published across government, academic, institutional, and public websites.

Search Datasets
Repository

DataHub Collections

Curated datasets covering economics, population, finance, geography, and other common subjects.

Visit DataHub
Cloud Data

AWS Open Data Registry

Public datasets available through Amazon Web Services, including scientific and geospatial collections.

Browse AWS Data
Research

Microsoft Research Open Data

Research datasets published by Microsoft researchers and collaborating institutions.

Browse Research Data
Directory

Awesome Public Datasets

A community-maintained directory organized by topics such as biology, economics, education, and sports.

View Directory
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Machine Learning and AI

Datasets for classification, regression, clustering, computer vision, and natural-language processing.

Machine Learning

UCI Machine Learning Repository

Classic and modern datasets commonly used for machine-learning education, experiments, and benchmarking.

Browse UCI
Machine Learning

OpenML

Search, examine, and load machine-learning datasets using the website or supported APIs.

Browse OpenML
AI Library

TensorFlow Datasets

Ready-to-use datasets for image, text, audio, recommendation, and machine-learning projects.

View Catalog
AI Repository

Hugging Face Datasets

Datasets for language models, NLP, audio, computer vision, and multimodal AI projects.

Browse Hugging Face
Computer Vision

PyTorch TorchVision Datasets

Common image datasets that can be loaded directly into PyTorch computer-vision projects.

View Datasets
Directory

VisualData

Searchable collections of datasets for computer vision, image recognition, and related research.

Browse VisualData
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Government and Public Data

Public information covering demographics, transportation, spending, communities, policy, and government services.

Government

Data.gov

The central catalog for datasets published by United States federal government agencies.

Browse Data.gov
Demographics

U.S. Census Data

Population, housing, income, employment, business, and community statistics.

Explore Census Data
Labor

U.S. Bureau of Labor Statistics

Employment, unemployment, wages, occupations, productivity, prices, and inflation data.

Explore BLS Data
Public Safety

FBI Crime Data Explorer

Crime reports, law-enforcement statistics, arrest information, and trend data.

Explore Crime Data
Transportation

U.S. Department of Transportation

Transportation datasets covering aviation, highways, vehicles, transit, and safety.

Browse Transportation Data
Government

European Data Portal

Public datasets published by European Union institutions and participating European countries.

Browse European Data
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Economics, Finance and Business

Resources for economic analysis, financial research, international development, and business intelligence.

Development

World Bank Open Data

Global development indicators including population, poverty, education, health, trade, and economic growth.

Explore World Bank Data
Economics

FRED Economic Data

Economic time-series covering inflation, banking, interest rates, employment, production, and markets.

Explore FRED
International

OECD Data Explorer

International statistics covering economies, education, employment, trade, government, and society.

Explore OECD Data
International Finance

IMF Data

International economic and financial statistics, including exchange rates and macroeconomic indicators.

Explore IMF Data
Business

SEC EDGAR

Company filings, annual reports, quarterly reports, disclosures, and public-company financial information.

Search SEC Filings
Markets

Nasdaq Data Link

Financial, economic, market, and alternative datasets from various publishers.

Browse Nasdaq Data
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Health and Medicine

Public-health statistics, disease information, healthcare indicators, and medical research resources.

Global Health

World Health Organization Data

Global health indicators covering diseases, mortality, healthcare systems, and population health.

Explore WHO Data
Public Health

CDC Data

United States public-health datasets covering disease, mortality, behavior, injuries, and healthcare.

Explore CDC Data
Health Research

Global Health Data Exchange

Health-related surveys, reports, statistics, and research datasets from around the world.

Browse Health Data
Healthcare

CMS Data

Medicare, Medicaid, healthcare provider, utilization, payment, and quality datasets.

Browse CMS Data
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Climate, Environment and Earth Science

Weather, satellite, ocean, environmental, agriculture, and Earth-observation data.

Earth Science

NASA Earthdata

Satellite imagery and Earth-observation data covering land, oceans, atmosphere, climate, and natural hazards.

Search NASA Earthdata
Weather and Oceans

NOAA Data Discovery

Weather, climate, ocean, fisheries, coastal, atmospheric, and environmental data.

Explore NOAA Data
Earth Science

USGS Science Data Catalog

Geology, earthquakes, water resources, ecosystems, mapping, and natural-hazard datasets.

Browse USGS Data
Environment

EPA Environmental Dataset Gateway

Environmental information covering air, water, pollution, chemicals, facilities, and ecosystems.

Explore EPA Data
Agriculture

FAOSTAT

International statistics on food, agriculture, crops, livestock, trade, land, and production.

Explore FAOSTAT
Climate

Copernicus Climate Data Store

Climate observations, historical records, projections, atmospheric data, and related tools.

Browse Climate Data
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Education and Social Science

Research, education, surveys, demographics, social behavior, and public-opinion resources.

Education

National Center for Education Statistics

Data covering schools, colleges, students, enrollment, graduation, staffing, and education outcomes.

Explore Education Data
Academic Research

Harvard Dataverse

Research datasets published by universities, researchers, organizations, and academic projects.

Browse Dataverse
Social Science

ICPSR

Social and behavioral science datasets, surveys, research studies, and documentation.

Browse ICPSR
Public Opinion

Pew Research Center Datasets

Survey datasets concerning society, public opinion, technology, media, and demographics.

Browse Pew Datasets

Before Using a Dataset

Review the dataset’s license, documentation, attribution requirements, privacy restrictions, and permitted uses. Availability does not automatically mean that every dataset may be reused without conditions.