Final answer:
The federal bureaucracy is much larger and multi-faceted today compared to the past.
Step-by-step explanation:
The most accurate statement that describes the size of the federal bureaucracy is that today the federal bureaucracy is much larger and multi-faceted compared to the past.
The federal bureaucracy consists of 15 Cabinet level departments, more than 60 government agencies, and 2,000 other subunits or bureaus. There are over two million civilian employees of the federal government, with the United States Postal Service and the Department of Defense having the most employees. Only a small fraction of federal employees work in Washington, D.C., while the majority are spread throughout the country and around the world.