Evidence gap map

Provide an overview of what the maps cover, their context, the methodologies used and a summarisation of the main findings. 

Latest evidence gap map briefs

Evidence gap map

These briefs describe what the maps cover, explain why and how they were done, and summarise main findings.

Addressing root causes and drivers of irregular migration: an evidence gap map

Evidence gap map Brief 3ie PDF icon 2023  
The brief is based on the evidence gap map of interventions that aim to address the root causes of irregular migration in low- and middle-income countries. This map was commissioned by the International Organization for Migration (IOM) through USAID’s project, Addressing the Root Causes of Irregular Migration in Guatemala.

Agriculture-led growth in low- and middle-income countries: An evidence gap map

Evidence gap map Brief 3ie PDF icon 2023  
The authors summarize the impact evaluations and systematic reviews of agriculture-led growth interventions to support decision-making in global agricultural development. This work was commissioned by USAID’s Bureau for Resilience and Food Security.

Addressing the systemic causes of malnutrition: a nutrition-sensitive agriculture evidence gap map

Evidence gap map Brief 3ie PDF icon 2023  
This brief is based on an evidence gap map that examines the effects of nutrition-sensitive agriculture interventions across food systems in low-and middle-income countries. This work has been commissioned by USAID’s Bureau for Resilience and Food Security.

Strengthening resilience against shocks, stressors and recurring crises in low- and middleincome countries: an evidence gap map

Evidence gap map Brief 3ie PDF icon 2023  
This brief is based on an evidence gap map of interventions that aim to strengthen resilience against shocks, stressors, and recurring crises in low-and middle-income countries. This map was commissioned by USAID’s Bureau for Resilience and Food Security.

Mapping water, sanitation, and hygiene achievements to prosperity, stability, and resilience outcomes

Evidence gap map Brief 3ie PDF icon 2023  
This brief is based on a systematic map of research that measures the association between select water, sanitation and hygiene (WASH) outcomes and high-level development outcomes in prosperity, stability, and resilience. This brief has been commissioned by USAID’s Bureau for Resilience and Food Security.

Lessons from six evidence gap maps on women’s political empowerment

Evidence gap map Brief 3ie PDF icon 2023  
The brief is based on studies identified by six evidence gap maps commissioned by USAID’s Center for Democracy, Human Rights and Governance on women’s political empowerment.

Digital technology for democracy

Evidence gap map Brief 3ie PDF icon 2023  
This brief analyses interventions that focus on key technology issues. The interventions are drawn from six evidence gap maps developed for USAID’s Center for Democracy, Human Rights and Governance.

Implementation of tax reforms in Sub-Saharan Africa

Evidence gap map Brief 3ie PDF icon 2023  
The brief highlights research findings and observations from 11 studies on interventions related to tax reforms in Sub-Saharan Africa. The studies are extracted from an evidence gap map on governance, which includes 19 systematic reviews and 485 impact evaluations. The brief and map were commissioned by USAID’s Center for Democracy, Human Rights and Governance.

Lessons from interventions to strengthen accountability mechanisms and improve voter inclusion

Evidence gap map Brief 3ie PDF icon 2023  
The authors of this brief systematically identified, mapped, and described the evidence base of interventions that promote political competition through elections. The evidence gap map contains two systematic reviews and 195 impact evaluations. The characteristics of the evidence are described and mapped according to a framework of 28 interventions and 27 outcomes. This map was commissioned by USAID’s Center for Democracy, Human Rights and Governance.

Approaches to advance human rights through social and behavior change communication

Evidence gap map Brief 3ie PDF icon 2023  
The brief highlights findings and observations from seven systematic reviews, 15 quantitative impact evaluations, and five qualitative studies on social and behavior change communication (SBCC) interventions to prevent, protect, and respond to human rights violations in low-and middle-income countries. The evidence gap map contains 46 systematic reviews and 377 impact evaluations. This map was commissioned by USAID’s Center for Democracy, Human Rights and Governance.