Median age of the population in New Zealand 2015

The data displays the median age of the population in New Zealand from 1950 to 2050. The median age is the age that divides a population into two numerically equal groups; that is, half the people are younger than this age and half are older. It is a single index that summarizes the age distribution of a population. In 2015, the median age of the New Zealand population was 37.3 years.