Apparently in the US there are about: 7M fly fishers [1], 9M skiers + snowboarders [2], about 3.2M SCUBA divers [3], 14M "active camping households" (3 or more

Apparently in the US there are about: 7M fly fishers [1], 9M skiers + snowboarders [2], about 3.2M SCUBA divers [3], 14M "active camping households" (3 or more times in a year) [4], and 48M hikers [5]. To pull a few outdoor activities, because I was curious. Fly fishing feels more like bird-watching to me though: in that it's relatively easy and cheap to do, but not a thing you would ever do accidentally. [1] https://outdoorindustry.org/wp-content/uploads/2015/03/2018-Special-Report-on-Fishing_FINAL.pdf https://outdoorindustry.org/wp-content/uploads/2015/03/2018-... [2] https://www.statista.com/statistics/376710/active-skiers-and-snowboarders-in-the-us/ https://www.statista.com/statistics/376710/active-skiers-and... [3] https://www.dema.org/store/download.aspx?id=7811B097-8882-4707-A160-F999B49614B6 https://www.dema.org/store/download.aspx?id=7811B097-8882-47... [4] https://www.businesswire.com/news/home/20170315005391/en/Camping-U.S.-Trend-Expected-Continue-Millennials-Seek https://www.businesswire.com/news/home/20170315005391/en/Cam... [5] https://www.statista.com/statistics/191240/participants-in-hiking-in-the-us-since-2006/ https://www.statista.com/statistics/191240/participants-in-h...