The provided table illustrates the number of people living in New Zealand by age group between 2011 and 2012.
Overall, it can be seen that both the total of distinct ages and the number of people aged over 40 experienced an upward trend. However, the opposite was true for the age group under 40.
In 2011, the population of citizens in the 15-39 age group was the highest with 1,577,256, followed by people aged 40-64 and under 15 with 1,331,907 and 898,160. In contrast, there were only 573,946 people in the age of over 65, bringing the total to 4,381,249.
In 2012, a slight decrease of 0.2% to 896,364 and 1,574,102 was seen in the number of people aged under 15 and 15-39 respectively. Meanwhile, despite having the lowest population, the people in the group over 65 years old witnessed the biggest increase of 4%, reaching 586903. The figure for citizens aged 40-64 rose to 1,339,898 with a growth of 0.6%, resulting in the total population also rising to 4,410,284 by 0.6%.
