What is the Difference Between Industry and Sector?

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The terms "industry" and "sector" are often used to describe parts of the economy, but they have different meanings:

  • Industry: This refers to a specific group of companies that operate in a similar business sphere. It is a more focused categorization, as industries are subsets of larger sectors.
  • Sector: This describes a large segment of the economy, which groups industries based on their commonalities. Sectors break the economy into 11 segments, each containing several industries with similar characteristics.

Key differences between industry and sector include:

  1. Scope: Industry has a narrower scope, focusing on specific groups of businesses within a sector, while sectors have a broader scope, covering a larger segment of the economy.
  2. Similarity: Companies within an industry share similar business practices and areas of focus, whereas sectors group industries based on commonalities but may not be as closely related.

Investors often compare companies within the same industry for investment opportunities, while sectors provide a broader view of trends and economic stability. Understanding the difference between industry and sector is essential for analyzing the economy, investment opportunities, and business behavior.

Comparative Table: Industry vs Sector

Here is a table highlighting the differences between industry and sector:

Feature Industry Sector
Definition Industry refers to a specific group of companies or businesses that engage in similar activities or produce similar products or services. A sector describes a larger segment of the economy that includes many similar industries.
Scope Industry has a narrower scope, focusing on a specific group of companies or businesses. Sector has a broader scope, encompassing multiple industries that share commonalities.
Subtypes Industries can be classified into various subtypes, such as manufacturing, extractive, construction, and service industries. Sectors are typically classified into four parts: primary, secondary, tertiary, and quaternary.
Growth or Shift Industries can grow or shift over time as innovations emerge and business practices evolve. Sectors remain relatively stable and are based on the economy's primary activities.
Stock Trading Stocks of companies within the same industry usually trade in the same direction, as their fundamentals can be affected by market factors in the same way. The performance of companies within different industries but the same sector may not be as closely correlated.

In summary, an industry is a specific group of companies or businesses that engage in similar activities or produce similar products or services, while a sector is a larger segment of the economy that includes many similar industries. Industries have a narrower scope compared to sectors, and they can grow or shift over time as innovations emerge and business practices evolve.