The percentages on the pyramid represent the percentage of 'all males' (to the left) and the percentage of 'all females' (to the right) that are in that age group.
Oedran
Cyfanswm
Dynion
Merched
0 - 4
9052
4564
4488
5 - 9
9555
4858
4697
10 - 14
10179
5152
5027
15 - 19
8826
4393
4433
20 - 24
7214
3562
3652
25 - 29
7685
3619
4066
30 - 34
10206
4815
5391
35 - 39
10451
4979
5472
40 - 44
9485
4692
4793
45 - 49
8357
4100
4257
50 - 54
9289
4682
4607
55 - 59
7861
3836
4025
60 - 64
6753
3325
3428
65 - 69
6159
2919
3240
70 - 74
5630
2526
3104
75 - 79
4584
1916
2668
80 - 84
3339
1173
2166
85 - 89
1575
485
1090
Dros 90
811
168
643
Cyfanswm
137011
65764
71247
cliciwch yma am ddata a gyhoeddwyd ynghynt ym Medi 2002
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