Mintel Academic and Statista have the most comprehensive reports about consumer trends for different types of products (personal care, apparel, consumer electronics, etc.)
You can divide a market by demographic factors, psychographic characteristics, geographic location, and perceived product benefits (Meyer & Graham, 2014).
To forecast, you might need to determine units sold, competitors' market share, or predict population growth for your target audience.
These resources will help you think about strategies for reaching your customers and how much it will cost to do so. Look under Datacenter or Data for the best information.
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