How many records did Roger Waters sell in his solo career?

Roger Waters has sold over 20 million records in his solo career. This figure includes studio albums, live recordings, and compilations released after his time with Pink Floyd. His solo work, particularly albums like "The Pros and Cons of Hitch Hiking" and "Amused to Death," has contributed significantly to these sales. Waters remains an influential figure in Rock Music, both as a solo artist and as a member of Pink Floyd.