Median age of the population in the top 20 countries 2017

The data displays the estimated median age of the population in the top 20 countries in 2017. The median age is the age that divides a population into two numerically equal groups; that is, half the people are younger and half are older. It is a single index that summarizes the age distribution of a population. The median age of the population in Monaco in 2017 is estimated to be 53.1 years.