What is the ratio of the number of person aged 65 years or older to the number of person aged 20 to 64 years in Japan?
A. 25%
B. 35%
C. 45%
D. 55%
Answer:B
What is the ratio of the number of person aged 65 years or older to the number of person aged 20 to 64 years in Japan?
A. 25% B. 35% C. 45% D. 55%