Yes, they're far more common. I don't recall seeing oat milk on store shelves until very recently. According to a source, "almond (64 percent market share), so

Yes, they're far more common. I don't recall seeing oat milk on store shelves until very recently. According to a source, "almond (64 percent market share), soy (13 percent market share) and coconut (12 percent market share)" http://www.mintel.com/press-centre/food-and-drink/us-non-dairy-milk-sales-grow-61-over-the-last-five-years http://www.mintel.com/press-centre/food-and-drink/us-non-dai... EDIT: I should add, for those interested, that this dominance is perhaps less strange when noting that California alone produces around 80% of the world's almonds.