What's your intuition for how many people do have this luxury, and what context do you think it holds in?

My company has fully embraced flexibility, so even though many do work in the office it is completely accepted that some days they just won't. Other people in my social circles seem to have similar setups, but I've got no idea how far that extends outside of my bubble - not even in the rest of my city let alone the country or wordlwide.