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What can I access? 

Access is generally available to all users. Registration or account creation might be required to access.

For commercial websites, the UCI Libraries do not offer premium memberships or subscriptions.


Access is available to all users ON the UCI campus and at GML.

OFF campus access requires Authorized Affiliates to log into the VPN with their active UCInetID and password. Authorized Affiliates are users with an active UCInetID and password, i.e. current UCI students, faculty, and staff.


Access requires an active UCInetID and password.

Authorized Affiliates are users with an active UCInetID and password, i.e. current UCI students, faculty, and staff.


These resources are not licensed by the UCI Libraries, but librarians occasionally promote them when they are relevant for certain types of research.

Access is available only for Authorized Affiliates, who are also affiliated with the Paul Merage School of Business.


The resources are limited to select UCI populations, based on the user’s status, e.g. current UCI Faculty or PhD students. Please refer to the UCI Libraries for access instructions.

Examples for why content may be limited include: a vendor set restrictions on who may access their information; alternatively, information may be sensitive, identifying, or embargoed;


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Test my UCI connection.

How do I access the UCI network? 
-  Students
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-  Alumni
-  Visitors

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Market Size and Share

Market Size and Share

Access: UCI

Geography: US

U.S. Industry reports
  on 700+ established industries, and specialty/niche industries, updated regularly.  Reports estimate the past/current/future sizes of these industries, and the market share of key players (when available). 

  • For market size, select the Industry at a Glance section in a report.
  • For market share, select the Major Companies and the Competitive Landscape sections in a report.


Passport Global Market Information Database
Access: UCI - Authorized Affiliates

Geography: Global 

Global market research reports and customizable datasets, spanning major consumer product categories, including market size and market share. 


Access: UCI - Authorized Affiliates

Geography: US

U.S. market research reports spanning U.S. sectors for consumer product and lifestyles, including market size and share, forecasts, and trends.


MarketLine Advantage
Access: UCI
Geography: Global

Global reports of major industries.  Market size data is in the "Market Overview" sections.


Business Source Complete
Access: UCI

Geography: Global 

Covers virtually all business subjects.  Includes content from many business magazines and trade publications, which may give insights into an industry's market size or market share.  

  • Sample search:  market AND size AND furniture



There are a zillion vendors selling reports about every product or industry imaginable, and UCI Libraries cannot possibly buy all of them.  Even if you can't afford to buy a report, there's no rule stopping you from citing content in a vendor's free preview!

Estimating Market Size and Share


Access: UCI

Geography: US

Maximum 3 users at once! An easy-to-use interface offering thousands of consumer behavioral data variables that can be used when building custom maps and reports (i.e. spreadsheets).  Use "Sign in as a guest," or register for a free account to save and return to your work.  Coverage is U.S.


Population Reference Bureau
Useful for quickly making estimates based on worldwide population information.  


The Handbook of Market Research for Life Science Companies [eBook]
(Don't let the title fool you!  This book is helpful for ALL industries, not just life sciences.)  It has tips, models, and tools that entrepreneurs can use to collect, interpret and present their market and integrate it into their business plan. Copyright 2017.

  • An excellent breakdown of TAM / SAM / SOM starts on page 149 "Appraising the Market," in Chapter 5, called Estimates and Models.  

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