Earlier quoted context omitted.
I bet there are large regional differences, too. I know that tea-drinking in the southern US, for instance, is much more common than in the northern. Curiosity got the better of me and I had to look this up. The US is the 35th most tea-drinking nation! And overall, there are slightly more male tea-drinkers than female. At least according to this site: https://teahow.com/is-tea-popular-in-america-what-tea-they-d... Al…
I bet those stats are tea tea, not counting herbal tea. And the vast majority of consumed tea leaves by weight, in the US, almost certainly go to iced tea, not hot tea as is common in other countries. (I guarantee "tea-drinking in the southern US" is more than 95% consumed-cold "sweet tea" or iced tea; even if you make that yourself—and it's very, very cheap to buy pre-made—it's about as easy to do it in a pot on the…
I think you're right. There is a table showing the popularity breakdown of the different types of tea, including herbal, but I think that's the global breakdown, not US.
It didn't provide a stat for it, but the page does remark that the majority of black tea consumed in the US goes to making iced tea.