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
13885
7141
6744
5 - 9
14987
7675
7312
10 - 14
16411
8506
7905
15 - 19
15066
7516
7550
20 - 24
14365
7225
7140
25 - 29
14243
6957
7286
30 - 34
16516
7954
8562
35 - 39
17155
8484
8671
40 - 44
15355
7512
7843
45 - 49
14390
7009
7381
50 - 54
16411
8261
8150
55 - 59
13751
6849
6902
60 - 64
11679
5833
5846
65 - 69
10612
5029
5583
70 - 74
9399
4259
5140
75 - 79
8425
3442
4983
80 - 84
5367
1830
3537
85 - 89
2708
728
1980
Dros 90
1221
247
974
Cyfanswm
231946
112457
119489
cliciwch yma am ddata a gyhoeddwyd ynghynt ym Medi 2002
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