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
10617
5579
5038
5 - 9
11500
5763
5737
10 - 14
12188
6406
5782
15 - 19
10745
5411
5334
20 - 24
9252
4500
4752
25 - 29
10935
5446
5489
30 - 34
12617
6117
6500
35 - 39
12754
6316
6438
40 - 44
11454
5686
5768
45 - 49
10841
5261
5580
50 - 54
12123
6040
6083
55 - 59
10079
5000
5079
60 - 64
8578
4245
4333
65 - 69
7645
3589
4056
70 - 74
6461
3010
3451
75 - 79
5658
2342
3316
80 - 84
3550
1237
2313
85 - 89
1715
495
1220
Dros 90
807
151
656
Cyfanswm
169519
82594
86925
cliciwch yma am ddata a gyhoeddwyd ynghynt ym Medi 2002
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