How many pillars are in the world today?

The term "pillars" is quite broad and can refer to various structures, both literal and metaphorical. If you're referring to architectural pillars, there are countless examples worldwide in buildings, monuments, and temples. In a metaphorical sense, "pillars" could represent foundational principles in various fields, such as society, governance, or philosophy, which are also numerous and diverse across cultures. Thus, there isn't a definitive answer to how many pillars exist globally without specific context.