Sustainable Total Sanitation – Nigeria: Final Research Report – Institute for Fiscal Studies

Sustainable Total Sanitation – Nigeria: Final Research Report – Institute for Fiscal Studies, 2019.

Key findings and policy lessons

  • Reducing OD is intimately tied to increasing toilet ownership in Nigeria
  • CLTS improved sanitation and reduced OD in poor communities
  • Door-to-door sales agents are important
  • Targeting CLTS interventions based on community characteristics (in particular their relative wealth status) can increase policy impacts.
  • CLTS increased toilet ownership among households in poor areas without actually removing financial constraints, but these constraints remain important for households with no toilet.
  • SanMark is still a young intervention, and it is difficult to assess its effectiveness at addressing the sanitation gap at this stage.
  • Policymakers should monitor and continue to evaluate the costeffectiveness of this intervention further before considering a SanMark scale-up.
  • Policymakers should consider alternative policies that address financial constraints in both poor and richer areas, such as targeted subsidies or credit lines. These policies could complement the efforts of both CLTS and SanMark by alleviating households’ main constraints

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