This research note looks at dynamism in china’s corporate sector. The corporate sector has changed profoundly over the past three decades. Where once a relatively small number of large firms dominated many industries, market structures have gradually become less concentrated since the early 2000s. A more dispersed corporate landscape typically signals greater dynamism: new entrants challenge incumbents, resources are reallocated towards more productive businesses and the scope for innovation expands. Understanding how far this is happening in China is essential for anyone assessing the country’s long‑term growth prospects or its competitive position in key industries.

This research note uses firm‑level data to examine how the structure and behaviour of Chinese companies have evolved. Fathom looks not only at traditional concentration measures, but also at the distribution of firms across different stages of the corporate life cycle – from early‑stage growth to maturity and shake‑out. The results suggest that a relatively large share of Chinese firms remain in their growth phase, indicating that the system is still capable of generating new expansion opportunities at scale. At the same time, China also has a higher share of firms in shake‑out compared with many peers, implying that competition is active and that underperforming firms are not entirely protected from market pressures.

However, this emerging dynamism is not unambiguous. The note stresses that the positive forces associated with greater competition and churn are counterbalanced by the restrictive influence of the Chinese state. Industrial policy, regulatory interventions and the role of state‑owned enterprises can all dampen the incentives for genuine innovation, particularly in sectors deemed strategically important. Sector‑level analysis reveals that dynamics are highly uneven: some industries are expanding rapidly and remain open to new entrants, while others are characterised by tightening competition, policy headwinds or a shift towards shake‑out. The analysis in this research note highlights where corporate dynamism appears robust, where it is constrained by state influence and what this balance implies for China’s future productivity and growth.