This shows how many working-age people (ages 15–64) there are for each elderly person (age 65 and older). As the population gets older, this number usually goes down, meaning fewer workers are available to support each elderly person.
우리를 따르라
귀하의 연구를 현재 상태로 유지하려면 지금 등록하십시오!
Your subscription could not be saved. Please try again.