30 Research Questions

1. How is the growing elderly population affecting healthcare expenditure in Japan?

2. What are the main causes of loneliness among older adults in ultra-aging societies?

3. How can urban design improve the quality of life of older residents?

4. Should retirement ages be increased in ultra-aging societies?

5. What factors influence older adults' willingness to use digital technologies?

6. How does caregiving affect the physical and mental health of family caregivers?

7. Can robots effectively reduce caregiver shortages in elderly care?

8. How can intergenerational programs strengthen social cohesion in aging societies?

9. What are the benefits and challenges of employing older workers?

10. How does social participation influence mental health among older adults?

11. What housing models best support independent living for older adults?

12. How does transportation accessibility affect the independence of older adults?

13. How does population aging impact economic growth and labor productivity?

14. Which lifestyle factors contribute most to healthy aging?

15. How do cultural attitudes toward aging influence the treatment of older adults?

16. Can immigration help address labor shortages caused by population aging?

17. How sustainable is Japan's long-term care insurance system?

18. How do aging experiences differ between older men and women?

19. What factors contribute to poverty among older adults?

20. What are the most effective community-based approaches to dementia care?

21. How does lifelong learning contribute to successful aging?

22. What barriers prevent older adults from accessing digital services?]

23. What measures are most effective in preventing elder abuse?

24. What challenges do older adults face in rural communities compared with urban areas?

25. How does volunteering affect the well-being of older adults?

26. How can countries address shortages of healthcare and care workers in aging societies?

27. How are declining birth rates changing family support systems for older adults?

28. How vulnerable are older adults during natural disasters, and how can communities better support them?

29. How does ageism affect employment opportunities and social participation among older adults?

30. What lessons can Japan learn from other ultra-aging societies such as South Korea, Italy, and Germany?