Evidence Criteria

The Materials on this Site are subject to review and quality assurance process by the United Nations Volunteers (UNV) programme. 

Types of Evidence

This Site has three sections featuring different types of evidence:

  • In the Volunteering Database, you will find datasets on measurement of volunteer work, policies and legislation and VNR mentions.
  • In the Evidence Library, you will find diverse evidence products on the contribution of volunteerism to specific development topics. 
  • In the Knowledge Exchange, you will find practices and experiences on volunteering.


While each section is unique in terms of the type of evidence featured, it adheres to the three main standards for upholding UNV brand of quality across the portal.

  • Policy/Thematic Relevance
    It builds knowledge on volunteerism for development.


    • Addresses a development challenge/ is linked to a development issue
    • Addresses a thematic or evidence gap based on UNV’s evidence scan
    • Informs and/or advances learning on how volunteering and volunteerism can contribute to development
    • Offers new insights and thought leadership on volunteerism
  • Strength of Evidence 
    It is based on facts, credible evidence and/or strong analysis.


    • Findings and/or analysis and recommendations are based on a collection of data and evidence
    • Uses balanced sources and credible methodology (may not apply to think pieces)
    • No red flags, political and cultural sensitivities 
    • Does not contain text that is false, misleading, defamatory, infringing, obscene, indecent, threatening or invasive of a person’s privacy
    • Adheres to the principles and definitions outlined in the glossary
  • Presentation and Representation
    It is well-structured with clear messages.


    • Messages are clear, effective and organized in a structured manner
    • Insights, guidance and/or recommendations are intended to influence specific target groups and are evidence-based and actionable
    • Represents the diversity of views from different geographical regions and socio, cultural and economic backgrounds