What information is contained in the Demographics dashboard?

Consumer age, household income, education, gender, and marital status are all broken down in the customer demographics report by the ASINs of qualifying brand owners. Following are the metrics given for each of the demographic segments:
the number of new consumers
the proportion of sales from distinct consumers of all orders for products1
1:based on sales of the ordered products, as a proportion of the total
2: ordered units
3: The information given reflects the Amazon.com account’s principal account holder.