International Debt Statistics (IDS) presents data and analysis information on the external debt of developing countries for 2011, based on actual flows and debt related transactions reported to the World Bank Debtor Reporting System (DRS) by 128 developing countries. It replaces Global Development Finance, which has been discontinued, and provides users with comprehensive stock and flow data on the external debt of individual developing countries and or regional and analytical groupings. As a service to users international debt statistics also set debt flows within the broader framework of aggregate net capital flows (debt and equity) to developing countries and includes a summary analysis of trends in 2011. The remainder of the overview is organized as follows. Section one analyze the key factors driving the evolution of developing countries’ debt stocks and flows in 2011. Section two describes recent trends in external debt flows to developing countries, including the financing pattern of different categories of creditors and the concentration of flows in specific countries and country groups. Section three examines the remarkable growth of private nonguaranteed debt over the course of the decade and the parallel diversification of borrowing instruments available to developing countries’ private sector borrowers. Section four assesses the level of developing countries’ external debt, measured in relation to key macroeconomic variables, notably Gross National Income (GNI) and export earnings. Section five summarizes trends in aggregate net capital flows, debt and equity, to developing countries in 2011. Section six distills the main messages for 2011 and the first half of 2012 from the information reported to Quarterly External Debt Statistics (QEDS) and Public Sector Debt (PSD) databases for developing and high income countries. Annex A provides users with a short overview of the coverage and content of the QEDS and PSD databases and annex B summarizes trends in lending by the World Bank (IBRD and IDA) in 2011.