Census: When were you born?

Age structure - Five year age groups

Porirua City

2018 2013
Five year age groups (years) Number % Wellington Region % Number % Wellington Region % 2013 - 2018
0 to 4 years 4,404 7.8 5.9 4,431 8.6 6.7 -27
5 to 9 years 4,740 8.4 6.5 4,209 8.1 6.5 +531
10 to 14 years 4,299 7.6 6.2 4,035 7.8 6.4 +264
15 to 19 years 3,876 6.9 6.6 3,831 7.4 7.0 +45
20 to 24 years 3,486 6.2 7.4 3,309 6.4 7.5 +177
25 to 29 years 3,762 6.7 7.6 2,757 5.3 6.5 +1,005
30 to 34 years 3,609 6.4 6.9 3,144 6.1 6.6 +465
35 to 39 years 3,786 6.7 6.7 3,663 7.1 6.8 +123
40 to 44 years 3,879 6.9 6.6 4,011 7.8 7.6 -132
45 to 49 years 4,089 7.2 7.1 3,774 7.3 7.3 +315
50 to 54 years 3,732 6.6 6.7 3,534 6.8 7.0 +198
55 to 59 years 3,450 6.1 6.4 3,045 5.9 5.8 +405
60 to 64 years 2,874 5.1 5.2 2,649 5.1 5.2 +225
65 to 69 years 2,391 4.2 4.5 2,052 4.0 4.3 +339
70 to 74 years 1,803 3.2 3.7 1,449 2.8 3.2 +354
75 to 79 years 1,197 2.1 2.7 828 1.6 2.3 +369
80 to 84 years 627 1.1 1.7 570 1.1 1.8 +57
85 years and over 558 1.0 1.7 432 0.8 1.6 +126
Total 56,559 100.0 100.0 51,717 100.0 100.0 +4,842

Source: Statistics New Zealand, Census of Population and Dwellings 2013 and 2018.
Stats NZ data quality rating: Very high