The old-age dependency ratio (OADR) is calculated as the number of persons ____.
A. age 65 or older, divided by the number of persons age 20 to 64
B. age 20 to 64, divided by the number of persons age 65 or older
C. age 55 or older, multiplied by the number of persons age 18 or older
D. age 55 or older, added to the number of persons age 21 or older
Answer:A
The old-age dependency ratio (OADR) is calculated as the number of persons ____.
A. age 65 or older, divided by the number of persons age 20 to 64 B. age 20 to 64, divided by the number of persons age 65 or older C. age 55 or older, multiplied by the number of persons age 18 or older D. age 55 or older, added to the number of persons age 21 or older