The number of individuals promoted to Senior Master Sergeant varies each year based on the selection process and available vacancies. In 2020, approximately 1,184 personnel were promoted, representing a promotion rate of 7.62%. In 2019, around 1,434 individuals achieved this rank with a promotion rate of 10.77%. The year 2018 saw about 1,549 promotions at a rate of 11.87%, while in 2017, approximately 1,391 personnel were promoted, corresponding to an 11.80% promotion rate. These figures reflect the competitive nature of the promotion process, which considers factors such as performance, time in service, and available positions. Overall, the number of promotions to Senior Master Sergeant tends to fluctuate annually, influenced by the Air Force's staffing needs and policy changes.