Which country's convenience store does seven eleven belong to?

Strictly speaking, it should be Japan: 7- 1 1 was originally a well-known convenience store group in the United States, and was later introduced by Ito Yokado, a large Japanese retailer. 7- 1 1 1973 established a subsidiary, which was later represented by Taiwan Province Uni-President Group in Hongkong, Taiwan Province and Chinese mainland.