How many people own a full BTC?

Could you possibly enlighten me on the current number of individuals who possess a complete Bitcoin? It's a question that has always piqued my curiosity, given the escalating value and widespread interest in this digital currency. Does the number vary significantly with market fluctuations? Or are there certain demographics or regions that are more predisposed to owning a full BTC? Your insights would be greatly appreciated, as I'm eager to gain a deeper understanding of this fascinating phenomenon.