A firm's market share can be calculated by dividing a firm's sales by total market sales (source:http://www.quickmba.com/marketing/market-share/).
Consult company financial reports or published sales figures as reported in trade publications. Some standard sources and tips on identifying additional sources of market share data appear below:
Customer markets can be segmented by geographic, demographic, psychographic, and behaviourial factors, while business markets can be segmented by geographic, customer type, and buyer behavior (source: http://www.quickmba.com/marketing/market-segmentation/).
You can gather socioeconomic, demographic, and geographic data on your target market in Canada using the following sources: