Market Share

The percentage of total market sales or customers that a company controls in a specific market.

Definition

Market share represents a company's portion of the total sales volume or revenue in a particular market. It indicates competitive position and is a key metric for measuring business performance relative to competitors and market growth.

How to Calculate

Revenue Market Share:

(Company Revenue ÷ Total Market Revenue) × 100

Unit Market Share:

Company Units Sold ÷ Total Market Units Sold) × 100

Real-World Example

Video Conferencing Market:

  • • Total market size: $10 billion annually
  • • Company A revenue: $3 billion
  • • Market Share = ($3B ÷ $10B) × 100 = 30%

Company A controls 30% of the video conferencing market.

Market Share Categories

Market Leader: 40%+ market share

Market Challenger: 20-40% market share

Market Follower: 5-20% market share

Market Nicher: Under 5% market share

Related Terms