The OECD has today published the 2021 edition of its Corporate Governance Factbook: see here or here (pdf). Individual chapters can be viewed/downloaded separately, including (in pdf): chapter 1 (the global market and corporate ownership landscape); chapter 2 (the corporate governance and institutional framework); chapter 3 (the rights of shareholders and key ownership functions); and chapter 4 (the corporate board of directors).
50 jurisdictions are included: all 38 OECD countries and Argentina, Brazil, China, Hong Kong, India, Indonesia, Malaysia, Peru, Russian Federation, Saudi Arabia, Singapore and South Africa.