The table provides information on the population of New Zealand in 2011 and 2012, categorized by age groups. It also highlights the percentage change in each group over the one-year period.
Overall, the total population of New Zealand experienced a slight increase between 2011 and 2012. While the number of people aged 40 and above grew, younger age groups (under 40) saw a slight decline. The most significant growth was observed in the 65+ age group, while the under-15 and 15-39 categories experienced minor reductions.
In 2011, the total population of New Zealand stood at approximately 4.38 million, rising by 0.6% to reach 4.41 million in 2012. The under-15 age group experienced a slight decline from 898,160 to 896,364, representing a 0.2% decrease. Similarly, the 15-39 age group saw a minor reduction, dropping from 1,577,256 to 1,574,102, also reflecting a 0.2% fall.
In contrast, the 40-64 age group saw a modest increase of 0.6%, rising from 1,331,907 to 1,339,898. The most notable change was in the 65+ category, which grew by 4.0%, from 573,946 to 596,903, making it the fastest-growing age group. This suggests an aging population trend in New Zealand during this period.