The North American Industry Classification System (NAICS) is a comprehensive business classification framework developed collaboratively by the United States, Canada, and Mexico. The main purpose of the NAICS is to facilitate the comparison of various business activities across North America by categorizing companies according to their production processes and outputs. This classification system is vital for economic analysis and reporting, as it aligns statistical data to provide a clearer picture of industry trends, job markets, and economic activities in the region.

Understanding NAICS

NAICS was introduced in 1997 to replace the older U.S. Standard Industrial Classification (SIC) system, which was less effective in reflecting the modern economy. This new system offers enhanced flexibility and usability, supporting economic data comparisons across nations and industries. It also undergoes systematic reviews every five years to ensure its relevance and accuracy in changing economic times.

History of NAICS

The establishment of NAICS stemmed from the need for a unified system to analyze and compare economic data within North America. The three principal entities involved in this endeavor are:

The OMB collaborates with various agencies, including the Bureau of Economic Analysis, Bureau of Labor Statistics, and the Census Bureau, to maintain and update the NAICS.

Since its inception, NAICS has undergone several revisions:

  1. 1997: Initial version released.
  2. 2002: Major updates to classifications concerning construction, wholesale trade, retail trade, and information sectors.
  3. 2012: A slight reduction in the number of industries, along with sector modifications.
  4. 2022: The latest revision, which further reduced the number of NAICS codes from 1,057 to 1,012, also introduced changes to industry size standards.

NAICS Coding System

The NAICS employs a hierarchical six-digit coding system, allowing for greater granularity than the older four-digit SIC codes. This coding system is divided into 20 principal industry sectors, with five of these primarily representing goods-producing industries and the remaining 15 service-oriented sectors.

Each company is assigned a primary NAICS code, which indicates its principal business line. This determination is based on the code that accounts for the highest revenue generated by the company in the past year at a specified location.

The structure of the NAICS coding system can be outlined as follows:

Reading a NAICS Code

Understanding how to read a NAICS code is crucial for stakeholders in various sectors, from governments to businesses.

Example

For instance, soybean farming has the NAICS code 111110: - 11: Agriculture, Forestry, Fishing and Hunting (Sector) - 111: Crop Production (Subsector) - 1111: Oilseed and Grain Farming (Industry Group) - 11111: Soybean Farming (Industry) - 111110: Specific to the National Industry of Soybean Farming.

Importance of NAICS

The NAICS is essential for economic research, business planning, and government policy-making. It provides standardized data that are indispensable for:

In conclusion, the North American Industry Classification System is more than just a set of codes; it is a critical tool for understanding and analyzing the economic landscape of North America. Its structured format not only simplifies data comparison across borders but also assists businesses and policymakers in making informed decisions. With its periodic updates, NAICS continues to adapt to the evolving economic environment.