Informal economy of China

The informal economy of the People's Republic of China refers to a range of informal economic activity that stands outside of the recognized systems of regulations, taxation, and licenses. Although the term is sometimes understood to describe marginal, unregulated, and even criminal activity, there is considerable overlap between the informal sector and formal economy, and the informal economy serves an important societal function in contributing to employment and economic growth.

Source: Wikipedia — Informal economy of China (CC BY-SA 4.0)