Youth quotient on 9 May 2011

Youth quotient on 9 May 2011. The number of under 20 @-@-year-olds is demonstrated in relation to 100 persons aged 20 to 64 (excluding diplomats or members of foreign forces and their family members). Since the under 20 @-@-year-olds are often inactive, this indicator measures the burden on the working and generally working generations between 20 and 64 years of age.2011年5月9日的青年抚养比(Youth quotient)。该指标通过计算每100名20至64岁人口（不含外交官、外国武装部队人员及其家属）所对应的20岁以下人口数量予以呈现。由于20岁以下人口通常不具备劳动参与能力，此指标用于衡量20至64岁劳动适龄世代所承受的抚养负担。