Data on age structure, sex-ratio by age, and share of deaths by age.

For each item it is shown the median followed by first and third quartiles (calculated over the 211 countries considered in the study).

针对每一项统计指标，均会依次呈现中位数（median）、第一四分位数（first quartile）与第三四分位数（third quartile），所有统计量均基于本研究纳入的211个国家计算得出。