Its coast is lined with densely populated cities with economies that thrive on factories.

[1] Following the work of Kiyoo Mogi, it is predicted that there is a possibility that the area will be subject to a shallow magnitude 8.0 earthquake in the near future.

[2] Nagoya, Shizuoka, and other large cities would be greatly damaged, with potential casualties in the tens of thousands.

Economy of Tōkai subregion is largely based on the Chūkyō metropolitan area that lies within its borders.

Per Japanese census data,[3] and,[4] Tōkai subregion much like Chūkyō metropolitan area has experienced continuous population growth throughout the 20th century.