In 2023, Japan had the most general hospitals in the world among OECD countries, with 7,100 number of general hospitals. These exclude mental health and other specialized hospitals. Columbia, which had the most hospitals in the world, had relatively few general hospitals, just 1,777.

In 2023, there were nearly 11 thousand hospitals in Columbia, the highest number among OECD countries, followed by 8,156 hospitals in Japan. If only general hospitals were counted (excluding mental health hospitals and other specialized hospitals), Japan had the most number of general hospitals among OECD countries worldwide. Most countries reported hospitals numbers similar to or lower than the previous year. Meanwhile, Mexico, South Korea and the Netherlands all reported more hospitals than last year.