It looks like your sentence is incomplete and requires a subject to provide a clear context. Based on the terms you've mentioned—demographics, geography, and a likely related field—here’s a possible completion:
"Demographics, psychographics, and geography are the more commonly used methods for market segmentation."
This implies that these methodologies are often applied to better understand and target specific consumer groups in marketing. If you meant something different or have a specific topic in mind, please provide more details!