| AAAA | Addis Ababa Action Agenda |
| AfDB | African Development Bank |
| AIDS | Acquired immunodeficiency syndrome |
| AsDB | Asian Development Bank |
| BIO | Belgian Investment Company for Developing Countries |
| BMI-SBI | Société Belge d’Investissement International |
| BMGF | Bill & Melinda Gates Foundation |
| CDB | Caribbean Development Bank |
| CAGR | Compounded annual growth rate |
| CDC | CDC Group Plc, formerly the Commonwealth Development Corporation |
| CIV | Collective investment vehicle |
| COFIDES | Compañía Española de Financiación del Desarrollo |
| CRS | Creditor Reporting System |
| CSO | Civil society organisation |
| DAC | Development Assistance Committee |
| DFI | Development finance institution |
| DFID | Department for International Development |
| DRM | Domestic resource mobilisation |
| EBRD | European Bank for Reconstruction and Development |
| EIB | European Investment Bank |
| ESS | Environmental and social standard |
| EU | European Union |
| FC | Fragile context |
| FDI | Foreign direct investment |
| FMO | Nederlandse Financierings-Maatschappij voor Ontwikkelingslanden N.V. |
| G20 | Group of Twenty |
| GDP | Gross domestic product |
| GEEREF | Global Energy Efficiency and Renewable Energy Fund |
| GCF | Green Climate Fund |
| GEF | Global Environment Facility |
| GPG | Global public good |
| HIPC | Heavily indebted poor country |
| HIV | Human immunodeficiency virus |
| IATI | International Aid Transparency Initiative |
| IADB | Inter-American Development Bank |
| IDA | International Development Association |
| IBRD | International Bank for Reconstruction and Development |
| ICT | Information and Communication Technologies |
| IFC | International Finance Corporation |
| ILO | International Labour Organisation |
| IMF | International Monetary Fund |
| IsDB | Islamic Development Bank |
| ITC | International Trade Centre |
| LDC | Least developed country |
| LIC | Low-income country |
| LLDC | Landlocked developing country |
| LMIC | Lower middle-income country |
| MDB | Multilateral development bank |
| M&E | Monitoring and evaluation |
| MENA | Middle East and North Africa |
| MIGA | Multilateral Investment Guarantee Agency |
| NGO | Non-governmental organisation |
| ODA | Official development assistance |
| ODC | Other developing country |
| ODF | Official development finance |
| OECD | Organisation for Economic Co-operation and Development |
| OeEB | Oesterreichische Entwicklungsbank AG |
| OOF | Other official flows |
| OPIC | Overseas Private Investment Corporation |
| PD/GG | Participatory development and good governance |
| PEPFAR | President’s Emergency Plan for AIDS Relief |
| PSD | Private sector development |
| PSE | Private sector engagement |
| RMNCH | Reproductive, maternal, newborn and child health |
| SDG | Sustainable Development Goal |
| SEGIB | Secretaría General Iberoamericana |
| SIDA | Swedish International Development Cooperation Agency |
| SIDICSS | Sistema Integrado de Datos de Iberoamérica sobre Cooperación Sur-Sur y Triangular |
| SIDS | Small island developing state |
| SIFEM | Swiss Investment Fund for Emerging Markets |
| SIMEST | Società Italiana per le Imprese all’Estero |
| SME | Small and medium-sized enterprise |
| SSC | South-South co-operation |
| STI | Science, technology and innovation |
| TA | Technical assistance |
| TC | Triangular co-operation |
| TOSSD | Total official support for sustainable development |
| UAE | United Arab Emirates |
| UN | United Nations |
| UNCTAD | United Nations Conference on Trade and Development |
| UNEP | United Nations Environment Programme |
| UNHCR | United Nations High Commissioner for Refugees |
| UMIC | Upper middle-income country |
| UNDP | United Nations Development Programme |
| UNDS | United Nations Development System |
| UNICEF | United Nations Children’s Fund |
| USAID | United States Agency for International Development |
| USD | United States dollar |