Hazards, Exposure and Vulnerability in Indonesia: A risk assessment across regions and provinces to inform the development of an Adaptive Social Protection Road Map
Authors:   United Nations University – Institute for Environment and Human Security (UNU-EHS), Sett Dominic , Widjaja Christina , Sanady Patrick , Greco Angelica , Setiadi Neysa , Sagala Saut , Rozanna Cut Sri , Sandholz Simone 
Published: March 2022

Risk induced by natural hazards and climate change has been accelerating worldwide, leading to adverse impacts on communities' well-being. Dealing with this risk is increasingly complex and requires cross-sectoral action. Adaptive Social Protection (ASP) has emerged as a promising approach to strengthen the resilience of communities by integrating Social Protection (SP), Disaster Risk Management (DRM) and Climate Change Adaptation (CCA) efforts. To inform this integration and thereby support the development of a functional ASP approach, the identification and provision of relevant data and information are vital. In this context, risk assessments are crucial as they establish the groundwork for the design of effective ASP interventions. However, despite the importance of risk information for ASP and the abundance of sectoral assessments, there is not yet a comprehensive risk assessment approach, a reality that also applies to Indonesia. Although the country is one of the international pioneers of the concept and has enshrined ASP at the highest national level in its development plans, this emphasis in policy and practice has been hampered by the absence of more unified assessment methods. The Hazard, Exposure and Vulnerability Assessment (HEVA) presented here takes a unique approach to develop such a cross-sectoral risk assessment and apply it throughout Indonesia. The HEVA brings together different risk understandings of key actors both internationally and domestically within SP, DRM and CCA, as well as identifying commonalities across sectors to establish a joint understanding. The HEVA not only considers risk as an overarching outcome but also focuses on its drivers, i.e. hazards, exposure and vulnerability, to identify why specific communities are at risk and thus customize ASP interventions. Subsequently, risks are assessed for Indonesia’s regions and provinces based on this cross-sectoral risk understanding. Secondary data has been acquired from various existing sectoral assessments conducted in Indonesia, and in total, data for 44 indicators has been compiled to calculate hazard, exposure and vulnerability levels for all 34 Indonesian provinces. Findings of the HEVA suggest that overall risk is high in Indonesia and no single province can be characterized as a low-risk area, demonstrating a strong relevance for ASP throughout the whole of the country. Papua, Maluku, and Central Sulawesi were identified as provinces with the highest overall risk in Indonesia. However, even Yogyakarta, which was identified as a comparatively low-risk province, still ranks among the ten most hazard-prone provinces in the country and has a demonstrated history of severe impact events. This also underlines that the composition of risk based on the interplay of hazard, exposure and vulnerability differs significantly among provinces. For example, in Papua and West Papua, vulnerability ranks as the highest in Indonesia, while hazard and exposure levels are comparatively low. In contrast, East Java and Central Java are among the highest hazard-prone provinces, while exposure and vulnerability are comparatively low. The results provide much more comprehensive insight than individual sectoral analyses can offer, facilitating the strategic development and implementation of targeted ASP interventions that address the respective key risk components. Based on lessons learned from the development and application of the HEVA approach, as well as from the retrieved results, the report provides recommendations relevant for policymakers, practitioners and researchers. First, recommendations regarding risk assessments for ASP are given, emphasizing the need to bring together sectoral understandings and to consider the interconnection of hazards, exposure and vulnerability, including their drivers and root causes, to assess current and future risk. It is also recommended to complement national level assessments with more specific local assessments. Secondly, recommendations regarding ASP option development in general are provided, including the importance of considering side effects of interventions, root causes of risks, the potential of nature-based solutions and barriers to implementation due to local capacities when designing ASP interventions. Third, recommendations regarding focal areas for ASP programmes are outlined for the case of Indonesia, such as prioritizing interventions in risk hotspots and areas characterized by high readiness for ASP solutions. At the same time, it is vital to leave no region behind as all provinces face risks that potentially jeopardize communities’ well-being.