International Debt Statistics (IDS) is a longstanding annual publication of the World Bank featuring external debt statisticsand analysis for the 123 low- and middle-income countries that report to the World Bank Debt Reporting System (DRS). Thecontent coverage of IDS 2021 includes:.1) a user guide describing the IDS tables and content, definitions and rationale forcountry and income groupings, data notes, and description of the additional resources and comprehensive datasetsavailable to users online, 2) a brief overview analyzing global trends in debt stocks and debt flows to low- and middleincomecountries within the framework of aggregate capital flows (debt and equity), 3) tables and charts detailing debtor and creditorcomposition of debt stock and flows, terms volume and terms of new commitments, maturity structure of future debtservice payments and debt burdens, measured in relation to GNI and export earnings for each country, and 4) one-pagesummaries per country, plus global, regional and income-group aggregates showing debt stocks and flows, relevant debtindicators and metadata.