Amazon Prime Members Stats Just Keep Climbing. Launched as a membership service for Amazon patrons in 2005, Prime boasts 214.43 million international users and remains the most-visited U.S. multi-platform in the U.S., serving 98 million active users every month. Niches driving Prime traffic are Amazon Music (16.46 million users) and Prime Video (46.3 million). Members spent $1400 annually on goods and services driven by offers of discounted pricing and free shipping. Expanding its media influence, Amazon Studios has begun to rack up Emmy Award nominations for original productions available only to members. During Covid lockdowns, an estimated 37% of Prime members bought food and beverages from Amazon.