There is no one-size-fits-all answer to this question, as social media writers can earn a variety of different salaries depending on their experience level, the type of work they are doing, and the industry they are working in. However, according to Salary.com, the median annual salary for social media writers is $50,000. This means that half of all social media writers earn less than this amount, and half earn more. Of course, salaries can vary considerably depending on factors such as experience and location.