The table provides data on the population of New Zealand by age group in 2011 and 2012, along with the percentage of change for each group.
Overall, the total population increased slightly from 2011 to 2012. The elderly age group (65+) experienced the most significant growth, while the populations of those under 15 and aged 15–39 showed a slight decline in numbers.
The total population grew from 4,381,269 in 2011 to 4,410,284 in 2012, reflecting an increase of 0.6%. The 65+ age group saw the largest rise, growing by 4.0% from 573,946 to 596,903. Meanwhile, the 40–64 age group also increased slightly by 0.6%, rising from 1,331,907 to 1,339,898 during this period.
In contrast, the population of individuals under 15 fell marginally by 0.2%, from 898,160 in 2011 to 896,364 in 2012. Similarly, the 15–39 age group declined by 0.2%, from 1,577,256 to 1,574,102, showing only a small drop overall.
