| ASEAN | Association of Southeast Asian Nations |
| CAF | Corporación Andino de Fomento (Development Bank of Latin America) |
| CASNOS | Caisse Nationale de Sécurité Sociale des Non-Salariés |
| CCSS | Caja Costarricense De Seguro Social |
| CIT | Corporate Income Tax |
| CNSS | Caisse Nationale de Sécurité Sociale |
| COVID-19 | Coronavirus 2019 |
| CTPA | Centre for Tax Policy and Administration |
| ECA | Europe and Central Asia |
| ECIS | Extension of Coverage to the Informal Sector |
| ECLAC | United Nations Economic Commission for Latin America and the Caribbean |
| ENAHO | Encuesta Nacional de Hogares |
| ETF | European Training Foundation |
| FAO | Food and Agriculture Organization |
| GDP | Gross Domestic Product |
| HIC | High-Income Country |
| ICLS | International Conference of Labour Statisticians |
| ICSE | International Classification of Status in Employment |
| ICSaW | International Classification of Status at Work |
| IFLS | Indonesian Family Life Survey |
| ILO | International Labour Organization |
| IMF | International Monetary Fund |
| IMSS | Instituto Mexicano de Seguridad Social |
| ISCED | International Standard Classification of Education |
| ISCO | International Standard Classification of Occupations |
| ISSA | International Social Security Association |
| KIIbIH | Key Indicators of Informality based on Individuals and their Household |
| LAC | Latin America and the Caribbean |
| LAYS | Learning Adjusted Years of Schooling |
| LIC | Low-Income Country |
| LMIC | Lower Middle-Income Country |
| MIHS | Malawi Integrated Household Survey |
| MOOCs | Massive Open Online Courses |
| MSMEs | Micro, Small and Medium-sized Enterprises |
| NAPSA | National Pension Scheme Authority (Zambia) |
| NEET | Not in Education, Employment, or Training (Youth) |
| NGO | Non-Governmental Organisation |
| NIDS | National Income Dynamics Study |
| NSFAS | National Student Financial Aid Scheme |
| ODI | Overseas Development Institute |
| OECD | Organisation for Economic Co-operation and Development |
| OLS | Ordinary Least Squares |
| PIAAC | Programme for the International Assessment of Adult Competencies |
| PISA | Programme for International Student Assessment |
| PIT | Personal Income Tax |
| PPPs | Purchasing Power Parities |
| REMPE | Regime Especial das Micro e Pequenas |
| RPL | Recognition of Prior Learning |
| SALDRU | Southern Africa Labour Development Research Unit |
| SDGs | Sustainable Development Goals |
| Sida | Swedish International Development Cooperation Agency |
| SMEs | Small and Medium-sized Enterprise |
| SP | Seguro Popular |
| SPIREWORK | Social Protection Plan for the Informal Economy and Rural Workers |
| SPTR | Social Protection Tax Revenue |
| SRD | Social Relief of Distress |
| SSC | Social Security Contribution |
| STEM | Science, Technology, Engineering and Mathematics |
| THB | Thai Baht |
| TVET | Technical and Vocational Education and Training |
| UHC | Universal Health Coverage |
| UIF | Unemployment Insurance Fund |
| UMIC | Upper Middle-Income Country |
| UNDP | United Nations Development Programme |
| UNESCO | United Nations Educational, Scientific and Cultural Organization |
| UNWTO | United Nations World Tourism Organization |
| USD | United States Dollar |
| USP2030 | Global Partnership for Universal Social Protection to Achieve the |
Breaking the Vicious Circles of Informal Employment and Low-Paying Work
