2018				2013
Five year age groups (years)		Number	%	Porirua City %		Number	%	Porirua City %	2013 - 2018
0 to 4 years		42	4.3	7.8		42	4.5	8.6	-
5 to 9 years		78	8.1	8.4		63	6.8	8.1	+15
10 to 14 years		75	7.8	7.6		105	11.4	7.8	-30
15 to 19 years		75	7.8	6.9		81	8.8	7.4	-6
20 to 24 years		54	5.6	6.2		54	5.8	6.4	-
25 to 29 years		36	3.7	6.7		12	1.3	5.3	+24
30 to 34 years		30	3.1	6.4		21	2.3	6.1	+9
35 to 39 years		42	4.3	6.7		39	4.2	7.1	+3
40 to 44 years		66	6.8	6.9		78	8.4	7.8	-12
45 to 49 years		96	9.9	7.2		138	14.9	7.3	-42
50 to 54 years		126	13.0	6.6		99	10.7	6.8	+27
55 to 59 years		87	9.0	6.1		75	8.1	5.9	+12
60 to 64 years		63	6.5	5.1		48	5.2	5.1	+15
65 to 69 years		39	4.0	4.2		39	4.2	4.0	-
70 to 74 years		33	3.4	3.2		15	1.6	2.8	+18
75 to 79 years		15	1.6	2.1		9	1.0	1.6	+6
80 to 84 years		12	1.2	1.1		9	1.0	1.1	+3
85 years and over		6	0.6	1.0		-	-	0.8	+6
Total		966	100.0	100.0		924	100.0	100.0	+42