1 Subjects: “...Second Demographic Transition...”

2 Subjects: “...Demographic and educational backgrounds...”

3 Subjects: “...socio-demographic characteristics...”

4 Subjects: “...socio-demographic factors...”

5 Subjects: “...socio-demographic factors...”

6 Subjects: “...demographic correlates...”

7 Subjects: “...workforce demographics...”

8 Subjects: “...demographic factors...”

9 “... World War, demonstrating how sickness and disability policies responded to demographic and economic...”

10 “... that influence, such as the demographic change, pandemic and rapid technological development, etc., which place...”

11 “... that influence, such as the demographic change, pandemic and rapid technological development, etc., which place...”

12 “... and by emphasizing the motivational and demographic factors as well as the cultural and situational factors...”