| 1 | Szebehely and Trydegard (19) | Sweden | Secondary data | The decline in HC and the marketization of services | 1, 2, 4 |
| 2 | Theobald (20) | Germany | Literature review | The interplay of formal and informal family care provision within the framework of LTCI and different types of formal care services | 2, 3, 4, 5, 6 |
| 3 | Ga (21) | South Korea | Document review | The LTC system in Korea | 2, 3 |
| 4 | Yakerson (22) | Ontario (Canada) | Perspective | The historical evolution of Ontario’s HC reform and the current challenges | 1, 2, 4 |
| 5 | Polivka and Luo (23) | United States | Literature review | The rationales for diminishing the role of the nonprofit Aging Networks | 1, 2, 4 |
| 6 | Mercille and O'Neill (24) | Ireland | Descriptive InterviewsDocument review | Patterns in private providers’ growth and their modes of operation in Ireland | 1, 2, 3, 4 |
| 7 | Okma and Gusmano (25) | Japan | Commentary | Long-term care experience in Japan | 2, 3 |
| 8 | Lepore (26) | United States | Governmental report | An overview of LTSS, financing structure for LTSS, possible financing mechanisms, relevant policy, and policy recommendations | 1, 2, 7 |
| 9 | Sudo et al. (27) | Japan | Policy report | Financial aspects of the medical care and welfare services policy for older adults in Japan | 2 |
| 10 | Kodate and Timonen (14) | Asia and Europe | Literature review | How developments in formal HC bring different modes of increasing, encouraging, and necessitating family care inputs across welfare states | 2, 3, 4, 7 |
| 11 | Rostgaard and Timonen (28) | Europe | The final chapter of “Cultures of Care in Aging” Book | Key drivers of policy change and responses concerning the organization, financing, delivery, and regulation of HC in 11 European countries | 2, 3, 4 |
| 12 | Plaisier et al. (29) | Netherlands | Secondary data | Changes in community-based care use within 2004-2011 and changes in the explanatory effects of its determinants (i.e., health, personal, and facilitating factors) | 1, 2, 3 |
| 13 | Tur-Sinai et al. (30) | Europe | Cross-sectional | How the initial outbreak of the pandemic changed the supply of formal and informal care to older adults in European countries | 4 |
| 14 | Theobald et al. (10) | Germany, Japan, and Sweden | Comparative study | The effects of broader LTC policy developments on market-oriented reforms | 1, 2, 3, 4, 5 |
| 15 | Wong and Leung (9) | China | Document review | Demographic shifts resulting in the emerging need for LTC in China and the issues facing LTC services | 1, 2, 5, 6 |
| 16 | Sigurdardottir et al. (31) | Iceland | Secondary data | The implementation of the Icelandic government’s policy on formal care of older adults in Iceland | 1, 2, 4 |
| 17 | Nadash et al. (32) | Germany | Literature review | The German LTC Insurance Program design and development | 1, 2, 3, 4, 6, 7 |
| 18 | Osterman (33) | United States | Governmental report | The circumstances facing paid home-care workers and a possible path forward | 4, 5 |
| 19 | Inaba (34) | Japan | Literature review | A brief overview of the situation of older adults and their caregivers in Japan | 1, 5 |
| 20 | Anttonen and Karsio (7) | Finland | Qualitative study | An overview of eldercare service redesign and deinstitutionalization of eldercare | 1, 2, 3, 4 |
| 21 | Graham and Bilger (35) | Singapore | Document review | An overview of financing long-term services and support and ideas from Singapore | 1, 2, 3, 4, 6 |
| 22 | Rhee et al. (36) | South Korea, Japan, and Germany | Comparative study | Developed LTCI systems and financing systems in three countries and lessons regarding revenue generation, benefits design, and eligibility | 1, 2, 3, 5, 6 |
| 23 | Alders (37) | Netherlands | Opinion paper | The innovation in HC by Buurtzorg, the reforms concerning community nursing in the Netherlands, and their possible impacts on caring for frail older adults | 2, 3, 6 |
| 24 | Chon (38) | South Korea | Literature review | The LTC infrastructure in Korea, market-friendly policies used to expand the infrastructure, and positive results of the expansion of the LTC infrastructure and the emerged challenges | 1, 2, 3, 4, 5, 6 |
| 25 | Beck et al. (39) | Poland | Document review | An overview of framework, problems, and prospects of long-term HC in Poland | 1, 2, 7 |
| 26 | Asiskovitch (40) | Israel | Document review | The structure of LTCI, its sources of financing and scope of expenditure, trends among the beneficiaries and the generosity of the program, and its implications for the solidarity of Israeli society with its aged population | 2, 3 |
| 27 | Kroger and Leinonen (41) | Finland | Document review | The trends and changes in HC services for older individuals during the last two decades in Finland | 1, 2, 3, 5, 7 |
| 28 | Glendinning (42) | England | Literature review | Tracing the development of HC services in England since the early 1990s | 1, 2, 3, 4, 6 |
| 29 | Radvanský and Páleník (43) | Slovakia | Governmental report | An overview of the Slovakian LTC system | 1, 2, 3 |
| 30 | Saltman et al. (12) | Singapore and Sweden | Comparative study | The framework of financial risk-sharing and the configuration and management of health service providers in Singapore and Sweden | 2, 3 |
| 31 | Mahoney (44) | United States | Commentary | Information on how states have responded using the new Centers for Medicare and Medicaid Services (CMS) toolkit during the coronavirus disease 2019 (COVID-19) pandemic | 4 |
| 32 | Osterle and Bauer (45) | Austria | Literature and document review | The development of the HC sector in Austria and the impacts of the traditional family orientation to care | 2, 3, 4, 5 |
| 33 | Casanova et al. (46) | Italy | Rapid literature review Expert interviews | Impact of Occupational Welfare (OW) schemes on the different actors involved in HC provision | 1, 3, 4, 7 |
| 34 | Frericks et al. (47) | Netherlands, Germany, and Denmark | Comparative study | The way welfare states institutionally frame the working conditions and social security for family caregivers and analysis of the social risks related to this framework in three countries | 1, 2, 3, 4, 7 |
| 35 | Mavromaras et al. (48) | Australia | Cross-sectional | Information on the residential facilities, HC, and home support outlets as employers and businesses, the presence, causes, and consequences of skill shortages, job vacancies, and the composition of the workforce | 5 |
| 36 | Palesy et al. (49) | Australia | Integrative review | Home care recipients and their needs, funding, and regulation, care worker skills, tasks, demographics, employment conditions, and training needs | 1, 4, 5 |
| 37 | Van Eenoo et al. (15) | Europe | Literature review | Comparing community care delivery with care-dependent older individuals in Europe | 1, 2, 3, 4 |
| 38 | Genet et al. (6) | Europe | Systematic review | Home Care in Europe | 2, 3, 4, 5, 6 |
| 39 | Kiersey and Coleman (16) | Europe | Scoping review | Approaches to the regulation and financing of formal HC services in four countries | 1, 2, 3, 5, 6 |
| 40 | Riedel (50) | Europe | Short overview | Providing an overview of the availability of cash benefits that can be used to finance informal care in 21 Member States of the European Union and was written during the ANCIEN (Assessing Needs of Care in European Nations) project | 2, 3 |
| 41 | Rodrigues and Glendinning (51) | England | Qualitative study | Recent changes in markets for home (domiciliary) care services in England | 1, 2, 3, 4 |
| 42 | Caughey et al. (52) | 11 countries | Governmental report | Quality assurance of care in 11 countries | 7 |
| 43 | Owen et al. (53) | United States | Literature review | How HC is provided, the cost associated with each type of service provision, how to identify resources for service provision and the indirect costs associated with family members providing HC | 2, 3, 5 |
| 44 | Gori (54) | Italy | Literature review | How has the provision of publicly funded HC changed over the last decade, and why is the result different from that expected? | 1, 2, 3 |
| 45 | Ghasemyani et al. (55) | Iran and selected countries | Comparative study | Comparison of LTC components for the elderly in Iran and selected countries | 2, 3 |
| 46 | Miyazaki (56) | Italy and Japan | Comparative study | Identifying the state-family relationship in the provision of LTC for older adults in Italy and Japan | 3 |
| 47 | Lee et al. (57) | OECD countries | Policy analysis | Investigating the characteristics of LTC financing in OECD countries | 1, 2, 3 |
| 48 | Zhou and Zhang (58) | Japan | Literature review | Description of LTC in Japan | 1, 2, 3, 4 |
| 49 | United Nations Economic and Social Commission for Asia and the Pacific (ESCAP) 2022 (59) | Asia | Governmental report | Asia Pacific Report on Population Aging 2022, Trends, Policies, and Good Practices on Older Individuals and Population Aging | 1, 6 |
| 50 | Rostgaard (60) | Denmark, Finland, Norway, and Sweden | Comparative study | Changes in institutional features of national LTC systems and the implication for equality | 1, 2, 3, 4, 6 |