Why are China’s coastal regions generally wealthier than many interior regions?

China’s coastal regions are generally wealthier than its interior due to a combination of historical, geographical, and policy-driven factors that have facilitated rapid economic development since the late 1970s.

Economic Policy and Special Economic Zones

A primary driver of this disparity was the Chinese government's decision to open the economy to international trade and investment. Starting in the late 1970s, the government established special economic zones (SEZs) along the southeastern coast. These zones offered tax incentives and business flexibility, which attracted significant foreign investment and technology. The success of these initial zones led to the opening of additional coastal cities to foreign trade, effectively turning these regions into the engines of China’s sustained economic growth.123

Infrastructure and Geography

Coastal regions benefit from superior access to international markets via an extensive network of deepwater harbors and port facilities. While the government has made efforts to build up manufacturing in the interior, the coastal areas possessed a much larger initial industrial base. This existing infrastructure, combined with the concentration of foreign-invested firms using these areas as export platforms, has allowed the east coast to dominate national manufacturing output.456

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