Which country uses PayPal most?

Could you please enlighten me on the question of which country utilizes PayPal the most? I'm particularly interested in understanding which nation has the highest adoption rate or the most active users of this popular electronic payment system. Is there a particular region or continent that stands out in terms of PayPal usage? Additionally, could you provide any insights into the reasons behind this high usage, such as cultural factors, economic conditions, or technological advancements? Your expertise in the field of finance and cryptocurrencies would be invaluable in answering this question.