Which approach to segmentation divides the market using characteristics such as gender, ethnicity, income, and so forth?

Demographic segmentation

Explanation:Demographic segmentation refers to dividing the market based on variables such as family , gender , income , nationality , age and ethnicity.

It is always crucial that when a business produces a product they know their target market that includes knowing if it fits well with that category such as selling some products to elderly people it has to cater exactly to their specific needs otherwise it won't do well in the market.