consumer behavior

List of current and historical datasets related to consumer spending and income, including data broken down by various demographic measures and family size

List of datasets used to study opinion mining, sentiment analysis, and opinion spam detection

Dataset of over 5.8 million Amazon product reviews (including information on product, rating, review text, and more)

Dataset on loans from Lending Club (a peer-to-peer loan service), extending back to 2007. Includes information on disbursed and rejected loans.

List of lexicons for word-emotion, word-sentiment, and word-color associations derived from a variety of sources (including Amazon, Yelp, Amazon Mechanical Turk, and Twitter)

List of freely available datasets with up to 18 public metrics of cities within the U.S. (e.g., crime, zoning, health inspections, transit)

Repository of data for network analyses, including

Curated repository of datasets about consumer energy behavior

Data on marketing keywords for search engine optimization

Dataset of video, audio, and presentation slides covering numerous aspects of gamers and the gaming industry (including PC, console, and mobile)