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Finding articles, books & background info on Marketing topics; advertising & mass media; market data sources; marketing plans; writing & citing help.

Socioeconomic & Demographic Data


United States


Sales, Consumer Spending & Market Share Data

  • Some industry reports may provide industry revenue data, which can be used to calculate a company's market share. See Ibisworld Industry Insider article: how to calculate market share.
  • Consult company financial reports or published sales figures as reported in trade publications. Some standard sources and tips on identifying additional sources of market share data appear below. 
  • You may also be able to gather data on market share by searching in the Library's Business Databases (ProQuest One Business or Business Source Complete) for articles that mention the phrase "market share" along with your company name, industry name, or product category.

Statistics Canada

United States Government Sources

Library Databases

Public Opinion Polls

Web Sites

A limited amount of public opinion polling data is freely available from various Canadian, American, or global market and public opinion research firms via their web sites.

Library Databases

Some polling data and analysis may be reported in newspapers or archived in a statistical database. 

News Databases:

Statistical Databases: