"In military affairs, quantity has a quality all its own." -- Clausewitz.
From the 2011 National Survey of Fishing, Hunting, and Wildlife-Associated Recreation (Revised February 2014).
In 2011, 13.7 million people 16 years old and older enjoyed hunting a variety of animals within the United States. They hunted 282 million days and took 257 million trips. Hunting expenditures totaled $33.7 billion. Big game hunting was the most popular type of hunting. Almost 11.6 million hunters pursued big game such as deer and elk on 212 million days. Big game-related expenditures for trips and equipment totaled $16.9 billion. There were 4.5 million hunters of small game including squirrels and rabbits. They hunted small game on 51 million days and spent $2.6 billion on small game hunting trips and equipment. Migratory bird hunters numbered 2.6 million. They spent 23 million days hunting birds such as waterfowl and doves. Migratory bird-related trip and equipment expenditures totaled $1.8 billion. Nearly 2.2 million hunters sought other animals such as raccoons and feral pigs on 34 million days, and their expenditures for trips and equipment were $858 million.