Evidence gap maps

Our gap maps are thematic collections of existing evidence from impact evaluations and systematic reviews about effects of international development policies and programmes. The reports provide all of the supporting documentation, including the background information, methods and results, protocols, and analysis of what the map results mean.

Latest evidence gap map reports

Evidence gap map reports

A summary of evidence on independent media and free flow of information

Evidence gap map 3ie PDF icon 2022  

The authors of this report summarize the findings of an evidence gap map of studies on interventions that aim to strengthen independent media.

A summary report on evidence for effective Rule of Law

Evidence gap map 3ie PDF icon 2022  

The authors of this report summarize the findings of an evidence gap map on interventions that aim to strengthen the rule of law and access to justice.

Mapping energy efficiency interventions

Evidence gap map 3ie PDF icon 2021  
Authors of this report present the findings from an evidence gap map of interventions that promote energy efficiency and energy conservation.

The effects of food systems interventions on food security and nutrition outcomes in low- and middle-income countries

Evidence gap map 3ie PDF icon 2021  
This evidence gap map report assesses the effects of food systems interventions on food security and nutrition outcomes in low- and middle- income countries. The map also identifies potential primary and synthesis evidence gaps.

Building peaceful societies: an evidence gap map

Evidence gap map 3ie PDF icon 2020  
This evidence gap map report highlights the rapidly growing evidence base of interventions that aim to build peaceful societies in fragile contexts.

The effect of transparency and accountability interventions in the extractive sectors: an evidence gap map

Evidence gap map 3ie PDF icon 2019  
This report outlines the main findings of the map on effect of transparency and accountability interventions in the extractive sector.

Improving and sustaining livelihoods through group-based interventions: mapping the evidence

Evidence gap map 3ie PDF icon 2019  
This evidence gap map report describes existing and missing evidence on the effects of livelihoods interventions provided through groups in rural India.

Intimate partner violence prevention evidence gap map: 2018 update

Evidence gap map 3ie PDF icon 2019  
This report outlines the main findings of the updated intimate partner violence prevention evidence gap map. The update covers evidence published between August 2016 and July 2018.

Agricultural innovation: an evidence gap map

Evidence gap map 3ie PDF icon 2017  
This report outlines the main findings of an evidence gap map referring to agricultural inputs, practices and programmes aimed at improving farmers’ productivity and well-being.

Social, behavioural and community engagement interventions for reproductive, maternal, newborn and child health: an evidence gap map

Evidence gap map 3ie PDF icon 2017  
This report outlines the main findings of an evidence gap map on social, behavioural and community engagement interventions related to reproductive, maternal, newborn and child health programmes in L&MICs.