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

Strengthening good governance in low- and middle-income countries: an evidence gap map

Evidence gap map 3ie 2023 Authors of this report present findings from an evidence gap map of interventions that aim to strengthen governance effectiveness in low-and middle-income countries.

Promoting political competition through elections in low- and middle-income countries: an evidence gap map

Evidence gap map 3ie 2023 Authors of this report presents the findings of a systematic search to identify and map the evidence base of impact evaluations and systematic reviews of interventions that aim to promote political competition effectiveness in low- and middle-income countries.

Agriculture-led Growth in Low- and Middle-income Countries: An Evidence Gap Map

Evidence gap map 3ie 2023 This report provides an overview of the available impact evaluations and systematic reviews on agriculture-led growth interventions to support decision-making in global agricultural development. This map was commissioned by USAID’s Bureau for Resilience and Food Security.

Food systems and nutrition: Describing the evidence from 2000 to 2023

Evidence gap map 3ie 2023 The authors of this report map the latest impact evaluations and systematic reviews that assess the effects of food systems interventions on food security and nutrition outcomes in low-and middle-income countries. This is a mid-term report that provides an overview of the evidence up to January 2023.

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

Evidence gap map 3ie 2023 The authors of the report systematically describe the available evidence on the effects of nutrition-sensitive agriculture interventions across food systems in low-and middle-income countries. This map was commissioned by USAID’s Bureau for Resilience and Food Security.

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

Evidence gap map 3ie 2023 Authors of this report map the available evidence base of impact evaluations and systematic reviews of interventions that aim to improve resilience in low-and middle-income countries. This evidence gap map was commissioned by USAID’s Bureau for Resilience and Food Security.

Strengthening civil society: an Evidence Gap Map

Evidence gap map 3ie 2023 Authors of this report present the findings of a systematic search to identify and map the evidence base of impact evaluations and systematic reviews of interventions aiming to improve civil society in low-and middle-income countries.

Independent media and free flow of information: An Evidence Gap Map

Evidence gap map 3ie 2023 Authors of this report present findings of an evidence gap map, which provides an overview of impact evaluations and systematic reviews on the effects of media development interventions to strengthen independent media.

Human Rights: an evidence gap map

Evidence gap map 3ie 2023 The authors of this report systematically identified, mapped, and described the evidence base of interventions that aim to strengthen human rights.

Rule of Law and Justice: an evidence gap map

Evidence gap map 3ie 2023 The authors of this report analyze interventions that strengthen and build linkages between systems, services, and society, which can improve the prevention of and solutions to justice problems.