What Percentage of Local Businesses Join Their Chamber of Commerce?Is it 10%? 20%? 30%?Chamber professionals who know this answer will better understand membership growth opportunities in their local markets.This membership study reviews 12 business categories in 60 small, mid-size, and large cities and chambers of commerce in the United States.The Chamber Membership Study 2020 focuses on three main areas:1. What is the overall level of chamber membership in the United States?2. How do chamber membership rates vary among different business categories?3. How do chamber membership rates vary among cities and by size of city?Industry studies have shown that chamber of commerce membership makes businesses more trustworthy than their non-chamber competitors. This membership study helps chamber members appreciate how local chamber membership puts them in a select group of local businesses.Finally, chamber professionals have access to a national membership study which provides the answer to this important question.