In 2016, nearly half of all Americans (48.6%) reported participating in at least one outdoor activity. That equates to 144 million participants, who went on a total of 11 billion outdoor outings. The participation rate and number of participants slightly increased, while the number of total outings decreased.
https://outdoorindustry.org/wp-content/uploads/2017/05/20...
Year: 2017
Organization/Source: Outdoor Industry Association
Topic tags: Outdoor Recreation, Parks, & Trails