| Abbreviation | Full term |
| ADB | Asian Development Bank |
| AECID | Spanish Agency for International Development Cooperation |
| AFD | French Development Agency |
| AfDB | African Development Bank |
| AI | Artificial intelligence |
| ATAF | African Tax Administration Forum |
| ATI | Addis Tax Initiative |
| BMZ | Federal Ministry for Economic Cooperation and Development, Germany |
| CIT | Corporate income tax |
| CPA | Country programmable aid |
| CRS | Creditor Reporting System |
| CSA | Civil society actor |
| CSO | Civil society organisation |
| DAC | Development Assistance Committee |
| DEval | German Institute for Development Evaluation |
| DFAT | Department of Foreign Affairs and Trade, Australia |
| DFI | Development finance institution |
| DG INTPA | Directorate-General for International Partnerships, European Commission |
| DIA | Distributional Impact Assessment |
| DRM | Domestic revenue mobilisation |
| EC | European Commission |
| ESG | Environmental, social and governance |
| EU | European Union |
| FCDO | Foreign, Commonwealth and Development Office, United Kingdom |
| FIA | Fiscal incidence analysis |
| FID | Fund for Innovation in Development, France |
| FMO | Dutch Entrepreneurial Development Bank |
| GAC | Global Affairs Canada |
| GEDSI | Gender equality, disability and social inclusion |
| GIZ | German Agency for International Cooperation |
| GNI | Gross national income |
| GPEDC | Global Partnership for Effective Development Co-operation |
| GPG | Global public good |
| HICs | High-income countries |
| HNWI | High-net-worth individual |
| HRBA | Human rights-based approach |
| HRD | Human rights defender |
| I-Marker | Inequality Marker |
| ICAI | Independent Commission for Aid Impact |
| IDA | International Development Association |
| IFAD | International Fund for Agricultural Development |
| IFC | International Finance Corporation |
| IFF | Illicit financial flow |
| ILO | International Labour Organization |
| IMF | International Monetary Fund |
| IsDB | Islamic Development Bank |
| JICA | Japan International Cooperation Agency |
| KOICA | Korea International Cooperation Agency |
| L&MICs | Low- and Middle-Income Countries |
| LDCs | Least Developed Countries |
| LGBTIQ+ | Lesbian, gay, bisexual, transgender, intersex, queer and other identities |
| LICs | Low-income countries |
| LMICs | Lower middle-income countries |
| LNOB | Leave no one behind |
| MDB | Multilateral development bank |
| MDPA | Multidimensional Poverty Analysis |
| MICs | Middle-income countries |
| MPI | Multidimensional Poverty Index |
| MSMEs | Micro, small and medium-sized enterprises |
| NGO | Non-governmental organisation |
| NHRI | National human rights institution |
| NORAD | Norwegian Agency for Development Cooperation |
| ODA | Official development assistance |
| OECD | Organisation for Economic Co-operation and Development |
| OHCHR | UN Office of the High Commissioner for Human Rights |
| OLICs | Other low-income countries |
| OPHI | Oxford Poverty and Human Development Initiative |
| PCSD | Policy Coherence for Sustainable Development |
| PFM | Public financial management |
| PIT | Personal income tax |
| PSE | Private sector engagement |
| RAPID | Resource Allocation and Poverty Investments Diagnostic |
| RBC | Responsible business conduct |
| RCT | Randomised controlled trial |
| SAI | Supreme audit institution |
| SDC | Swiss Agency for Development and Cooperation |
| SDGs | Sustainable Development Goals |
| SDR | Special Drawing Right |
| Sida | Swedish International Development Cooperation Agency |
| SIDS | Small Island Developing States |
| SMEs | Small and medium-sized enterprises |
| SSA | Sub-Saharan Africa |
| UEOMA | West African Economic and Monetary Union |
| UMICs | Upper middle-income countries |
| UN | United Nations |
| UNDP | United Nations Development Programme |
| UNU-WIDER | United Nations University World Institute for Development |
| VAT | Value-added tax |
| WTO | World Trade Organization |
OECD Guidance on Reducing Poverty and Inequalities through Development Co‑operation