| INMATES' AGE BRACKET | ||||||||||||
| (As of September 2012) | ||||||||||||
| REGION | UNDETERMINED | 17 & BELOW | 18-25 | 26-32 | 33-39 | 40-46 | 47-53 | 54-59 | 60-65 | 66-70 | 71-ABOVE | TOTAL |
| NCR | 2 | 2 | 4,628 | 4,733 | 3,820 | 2,813 | 1,667 | 809 | 234 | 106 | 44 | 18,858 |
| R1 | 1 | 4 | 332 | 419 | 512 | 376 | 201 | 103 | 51 | 10 | 15 | 2,024 |
| R2 | 9 | 2 | 329 | 367 | 334 | 241 | 139 | 69 | 18 | 9 | 9 | 1,526 |
| R3 | 0 | 11 | 1,113 | 1,422 | 1,317 | 1,043 | 592 | 290 | 88 | 27 | 20 | 5,923 |
| R4A | 0 | 7 | 1,963 | 2,244 | 2,116 | 1,591 | 815 | 342 | 101 | 30 | 21 | 9,230 |
| R4B | 0 | 3 | 136 | 174 | 132 | 94 | 61 | 24 | 19 | 7 | 6 | 656 |
| R5 | 0 | 7 | 771 | 476 | 434 | 361 | 254 | 106 | 65 | 33 | 27 | 2,534 |
| R6 | 2 | 11 | 1,602 | 1,464 | 1,207 | 869 | 477 | 223 | 108 | 33 | 35 | 6,031 |
| R7 | 0 | 159 | 2,082 | 1,996 | 1,452 | 1,126 | 598 | 255 | 88 | 40 | 33 | 7,829 |
| R8 | 0 | 19 | 461 | 416 | 280 | 248 | 120 | 52 | 31 | 17 | 10 | 1,654 |
| R9 | 0 | 22 | 782 | 744 | 689 | 430 | 258 | 135 | 66 | 39 | 23 | 3,188 |
| R10 | 1 | 57 | 963 | 728 | 610 | 348 | 197 | 115 | 40 | 16 | 11 | 3,086 |
| R11 | 0 | 1 | 854 | 692 | 534 | 411 | 288 | 69 | 41 | 21 | 17 | 2,928 |
| R12 | 3 | 49 | 664 | 734 | 632 | 445 | 222 | 98 | 38 | 19 | 10 | 2,914 |
| R13 | 0 | 15 | 378 | 365 | 240 | 178 | 85 | 39 | 10 | 11 | 6 | 1,327 |
| CAR | 0 | 8 | 315 | 241 | 175 | 149 | 56 | 31 | 18 | 7 | 4 | 1,004 |
| ARMM | 0 | 3 | 54 | 59 | 22 | 18 | 12 | 3 | 2 | 0 | 0 | 173 |
| TOTAL | 18 | 380 | 17,427 | 17,274 | 14,506 | 10,741 | 6,042 | 2,763 | 1,018 | 425 | 291 | 70,885 |