Evidence Gap Maps

Evidence gap maps are an important tool for informing strategic policy, programme and research priorities.

Evidence gap maps (EGMs) consolidate what we know about what works in particular development sectors or thematic areas.

They provide a visual display of completed and ongoing systematic reviews and impact evaluations in a sector or sub-sector, structured around a framework of interventions and outcomes. EGMs are a useful tool for development decision makers, researchers and donors  looking for evidence to inform programme investments and identify where there is an urgent need for more research or rigorous evaluation.

3ie’s interactive online platform allows users to explore the evidence included in a particular EGM, including links to each included study and review.

To know more about evidence gap maps and how to conduct them, click here.

To get some tips on how to navigate our evidence gap map platform, download the  how to read a 3ie evidence gap map document (229.7 KB)

Agricultural innovation: an evidence gap map

The purpose of this evidence map, funded by The Department for International Development UK as well as Bill and Melinda Gates Foundation, is to present the main findings on impact evaluations and systematic reviews referring to agricultural inputs, practices and programmes aimed at improving farmers’ productivity and well-being. It further highlights prominent gaps in evidence on cost-effectiveness, measurements of spillover effects and the use of experimental methods.

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Evidence gap map on social, behavioural and community engagement interventions

The purpose of this gap map, developed in collaboration with WHO and PMNCH, is to assess the evidence available on social, behavioural and community engagement interventions related to reproductive, maternal, newborn and child health programmes in low and middle-income countries. This map was produced by the World Health Organisation and 3ie. Financial support was provided by the Partnership for Maternal, Newborn & Child Health (PMNCH), the Norwegian Agency for Development Cooperation (NORAD), and the United States Agency for International Development (USAID).

The EGM includes both completed and ongoing studies.

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A map of evidence maps relating to sustainable development in L&MICs

The purpose of this map of evidence maps, funded by Centre of Excellence for Development Impact and Learning and The Department for International Development UK, is to present the findings related to sustainable development in low-and middle-income countries. The authors catalogued evidence maps within a framework of intervention sectors adapted from the World Bank categorisation and outcomes classified according to the Sustainable Development Goals.

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Agricultural risk and mitigation gap map

The purpose of this evidence gap map, funded by The Department for International Development UK, is to assess the evidence on agricultural insurance interventions that aim to improve smallholder farmer resilience in low-and middle-income countries.

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Intimate partner violence prevention evidence gap map

This evidence gap map, developed as a part of a project funded by an anonymous donor,  highlights important gaps in the rigorous evidence base of intimate partner violence prevention programmes in L&MIC countries.

View report | Download offline Excel version of the map

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State-society relations evidence gap map

This evidence gap map (EGM) consolidates evidence on interventions to improve state-society relations in low- and middle-income countries. The map draws on a systematic search and inclusion/exclusion of studies to take stock of the volume and characteristics of evidence published between 2000 and 2016.

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Science, technology, innovation and partnerships evidence gap map

This evidence gap map, part of a project funded by the US Global Development Lab at USAID, assesses the impact evaluation and systematic review evidence base for how science, technology, innovation and partnerships accelerate development outcomes in low- and middle-income countries.

Download offline Excel version of the map

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Adolescent sexual and reproductive health evidence gap map

This evidence gap map, part of a project funded by the William and Flora Hewlett Foundation, assesses the evidence available on the effects of adolescent sexual and reproductive health programming in low- and middle-income countries. 

Download offline Excel version of the map

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Forest Conservation gap map

This evidence gap map examines the high-quality evidence available in the area of forest conservation in low-and middle-income countries. Our clearest finding is that there a paucity of high-quality evidence in areas significant for policy such as the effect of forest-related climate change policies, trade laws and management, or education and awareness campaigns on environmental and social outcomes in forests. 

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Land use change and forestry evidence gap map

The purpose of this evidence gap map is to assess the evidence available on the effects of land-use change and forestry programmes on greenhouse gas emissions and human welfare outcomes. Our clearest finding is that there is a major gap in the evidence addressing effects on both emissions and human welfare outcomes, including food security. Moreover, few studies measured greenhouse gas emissions or food security directly. 

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Youth and transferable skills evidence gap map

The purpose of this evidence gap map is to provide easy access to the best available evidence on the outcomes of transferable skills programming for youth in low- and middle-income countries and to highlight where there are important gaps in this evidence base. Transferable skills, often referred to as soft, non-cognitive or life skills, provide youth with the tools and confidence to succeed in term of employment, health and personal well-being.

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Evidence for peacebuilding evidence gap map

The purpose of the evidence map is to provide easy access to the best available evidence on the outcomes of peacebuilding interventions in conflict affected settings in low- and middle-income countries. Interventions were mapped in five thematic areas including legitimate politics, security, justice, economic foundations and revenues and social services.

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Primary and secondary education evidence gap map

This evidence gap map aims to facilitate evidence-informed decision making in education by providing easy access to all existing systematic reviews and impact evaluations of the effects of education interventions. The map includes evidence on interventions designed to improve access to education and learning outcomes for primary and secondary school children in in low- and middle-income countries.

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Productive safety nets evidence gap map

This evidence gap map consolidates impact evaluation and systematic review evidence on the effects of productive social safety net programmes on extreme poverty and related outcomes in low- and middle-income countries. Productive social safety nets are safety net programmes that include livelihood or income generating components to expand market opportunities for the extreme poor.

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Photo © Fintrac Inc/USAID, United Nations, Mayur Paul/HelpAge International

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