Call me crazy, but I suspect this has been occurring in the US for decades. The imbalances in my elementary and high school classes were too noticeable (about 3:2 in favor of males) - and that was a long time ago. I see the same in my children’s classes today; pairs of boys and girls file down the aisle at graduation, and at the end are many pairs of boys.
Yes, I see the same.
‘Call me crazy, but I suspect this has been occurring in the US for decades.’
you’re not crazy; you’re just not correct...