We have created this page to help you figure out how to use these statistics. The guidance may explain which data sources to use and how to make comparisons. Related sites may offer further information.
For details about the Methodology of the Economic Census, its Questionnaires, and more, refer to the Technical Documentation section.
NAICS Codes & Understanding Industry Classification Systems
Information to help you understand the North American Industry Classification System (NAICS), including the structure, sector definitions, & codes note covered.
NAPCS-Based Codes & Understanding Product Classification Systems
Information on understanding the North American Product Classification System (NAPCS), such as import and export codes & manufactured and mineral products.
Understanding Economic Census Data Series
Information on the different Economic Census data series, including the Core Business Statistics, Geographic Area, Industry, Subject & Summary Series.
Finding Economic Census Data Using Data Tools
Links & guides to tools to help you find Economic Census data including American FactFinder, DataFerrett, the Industry Statistics Portal, & Industry Snapshots.
Purposes and Uses of Economic Census Data
Graphics & examples of the many uses of Economic Census data, including comparing your business or community to others, identifying new markets, & more.
Comparing Historical Economic Census Data
When working with historical data you need to keep in mind such things as industry comparability, geographic changes, changes to scope, definition changes, etc.