2018				2013
Five year age groups (years)		Number	%	Porirua City %		Number	%	Porirua City %	2013 - 2018
0 to 4 years		102	7.7	7.8		117	8.6	8.6	-15
5 to 9 years		78	5.9	8.4		84	6.2	8.1	-6
10 to 14 years		66	5.0	7.6		75	5.5	7.8	-9
15 to 19 years		72	5.4	6.9		99	7.3	7.4	-27
20 to 24 years		96	7.2	6.2		78	5.7	6.4	+18
25 to 29 years		90	6.8	6.7		75	5.5	5.3	+15
30 to 34 years		81	6.1	6.4		114	8.4	6.1	-33
35 to 39 years		108	8.1	6.7		105	7.7	7.1	+3
40 to 44 years		99	7.5	6.9		99	7.3	7.8	-
45 to 49 years		90	6.8	7.2		96	7.0	7.3	-6
50 to 54 years		93	7.0	6.6		102	7.5	6.8	-9
55 to 59 years		93	7.0	6.1		84	6.2	5.9	+9
60 to 64 years		81	6.1	5.1		84	6.2	5.1	-3
65 to 69 years		66	5.0	4.2		69	5.1	4.0	-3
70 to 74 years		57	4.3	3.2		33	2.4	2.8	+24
75 to 79 years		27	2.0	2.1		27	2.0	1.6	-
80 to 84 years		24	1.8	1.1		15	1.1	1.1	+9
85 years and over		12	0.9	1.0		6	0.4	0.8	+6
Total		1,326	100.0	100.0		1,362	100.0	100.0	-36