EMS Counts Act of 2021 This bill requires the Department of Labor, in collaboration with the Office of Management and Budget, to revise the broad description under the occupational series 33-2011 Firefighters of the 2018 Standard Occupational Classification System of the Bureau of Labor Statistics to separately account for firefighters who also serve as paramedics or emergency medical technicians. Specifically, the classification system must include the following detailed occupations: Firefighters; Firefighter/EMTs; Firefighter/Paramedics; and Firefighters, All Other.