USPS publishes FY 2023 Household Diary Study
From the article: "...As the introduction to the Study states, the main objectives are to “measure the types and volumes of mail sent and received by U.S. households; track trends in mail usage over time; and compare mail usage by household demographic characteristics.” To produce the study, households are asked to participate a survey (online, by telephone, and on paper) about a variety of topics, including the amount of mail they send and receive, the household’s use of communication technologies like email, their bill payment behavior, and their attitudes towards advertising. ..."
Article Reference: www.savethepostoffice.com