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Municipal Solid Waste Collection and Coverage Rates in Sub-Saharan African Countries: A Comprehensive Systematic Review and Meta-Analysis

Author

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  • Muyiwa Lawrence Adedara

    (Institute for Ecosystem Research, University of Kiel, Olshausenstraße 75, 24118 Kiel, Germany)

  • Ridwan Taiwo

    (Department of Building and Real Estate, The Hong Kong Polytechnic University, Hong Kong)

  • Hans-Rudolf Bork

    (Institute for Ecosystem Research, University of Kiel, Olshausenstraße 75, 24118 Kiel, Germany)

Abstract

The annual volume of waste generated in sub-Saharan Africa (SSA) increased from 81 million tonnes to 174 million tonnes per year between 2012 and 2016 and is projected to reach 269 million tonnes in 2030. In 2018, SSA’s municipal solid waste (MSW) collection coverage was estimated at 44%. Concerned that the waste generation rate outweighs the collection pace, we conducted a systematic review of studies on MSW collection to examine the current situation in the region concerning the waste collection and coverage rates and to highlight the impediments to rapid progress in waste collection using the lens of four cities. Findings reveal that, despite the involvement of private waste collectors, collection and coverage rates are still below the desired 100% with backlogs of uncollected waste in public spaces, especially in low-income neighbourhoods where coverage remains abysmally low. This study fortifies the systematic discussion on MSW collection and coverage rates by conducting a meta-analysis. The result of the analysis shows that the waste collection and coverage rates are 65% and 67% in SSA, respectively. Aside from the paucity of data on waste generation rate and characterisation, most available data are incongruent. The review further shows that although several studies have been carried out on waste disposal, waste treatment and recycling in SSA studies directly focused on MSW collection are still few, leaving room for more research in this area. The review offers suggestions on how collection and coverage rates can be increased and equally proposes a strategy for reducing scavenging activities in the region’s unsanitary landfills, given its concomitant health impacts on the scavengers.

Suggested Citation

  • Muyiwa Lawrence Adedara & Ridwan Taiwo & Hans-Rudolf Bork, 2023. "Municipal Solid Waste Collection and Coverage Rates in Sub-Saharan African Countries: A Comprehensive Systematic Review and Meta-Analysis," Waste, MDPI, vol. 1(2), pages 1-25, April.
    • Handle: RePEc:gam:jwaste:v:1:y:2023:i:2:p:24-413:d:1120745
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    References listed on IDEAS

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    2. Eric Kwadwo Amissah & Kwabena Nduro & Phoebe Ama Quansah, 2024. "Towards Greener Printing: Examining Waste Disposal Innovations in the Ghanaian Printing Industry," International Journal of Research and Innovation in Social Science, International Journal of Research and Innovation in Social Science (IJRISS), vol. 8(3), pages 1244-1264, March.
    3. Julia Weißert & Kristina Henzler & Shimelis Kebede Kassahun, 2025. "Towards Sustainable Municipal Solid Waste Management: An SDG-Based Sustainability Assessment Methodology for Innovations in Sub-Saharan Africa," Waste, MDPI, vol. 3(1), pages 1-32, January.
    4. Salifou Ndam & Alirou Fit Touikoue & Jérôme Chenal & Jean-Claude Baraka Munyaka & Armel Kemajou & Abdou Kouomoun, 2023. "Urban Governance of Household Waste and Sustainable Development in Sub-Saharan Africa: A Study from Yaoundé (Cameroon)," Waste, MDPI, vol. 1(3), pages 1-19, July.

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