Population Distribution by Age Group for D.S. Division - 2008
| Serial No. | D.S Division | Total Population | Age Group | ||||||
| 0-04 | 05-14 | 15-29 | 30-49 | 50-59 | 60- & above | ||||
| 1 | Manmunai North | 89,758 | 7,553 | 15,613 | 23,996 | 22,889 | 10,728 | 8,979 | |
| 2 | Kattankudy | 47,602 | 4,710 | 10,314 | 12,677 | 12,942 | 4,139 | 2,820 | |
| 3 | Manmunai Pattu | 31,575 | 2,270 | 5,700 | 8,409 | 8,220 | 3,508 | 3,468 | |
| 4 | Manmunai South & Eruvil Pattu |
61,897 | 5,552 | 12,801 | 17,173 | 15,849 | 5,027 | 5,495 | |
| 5 | Porathivu Pattu | 46,096 | 3,996 | 9,903 | 14,357 | 10,965 | 3,520 | 3,355 | |
| 6 | Manmunai South West | 24,547 | 2,040 | 5,457 | 7,352 | 5,982 | 2,187 | 1,529 | |
| 7 | Manmunai West | 29,676 | 2,876 | 7,465 | 8,210 | 7,239 | 2,120 | 1,766 | |
| 8 | Eravur Town | 36,853 | 3,436 | 8,535 | 9,582 | 8,942 | 3,165 | 3,193 | |
| 9 | Eravur Pattu | 77,758 | 8,987 | 17,098 | 21,061 | 16,679 | 8,433 | 5,500 | |
| 10 | Koralai Pattu South | 36,714 | 4,037 | 7,277 | 10,940 | 9,060 | 3,336 | 2,064 | |
| 11 | Koralai Pattu | 22,385 | 1,583 | 3,190 | 5,090 | 7,132 | 3,543 | 1,847 | |
| 12 | Koralai Pattu West | 28,149 | 3,183 | 5,775 | 6,584 | 6,697 | 2,475 | 3,435 | |
| 13 | Koralai Pattu Central | 31,345 | 3,758 | 6,211 | 7,217 | 9,646 | 2,900 | 1,613 | |
| 14 | Koralai Pattu North | 22,448 | 2,663 | 4,931 | 5,791 | 5,613 | 2,260 | 1,190 | |
| Total | 586,803 | 56,644 | 120,270 | 158,439 | 147,855 | 57,341 | 46,254 | ||
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| Source: Dept. Statistics, Kachcheri, Batticaloa | |||||||||