Tabel 3.4 Jumlah Penduduk Menurut Kelompok Umur dan Dusun di Desa Mataiwoi, 2026
| Umur | DUSUN 1 JUNJUNG | DUSUN 2 SINDU | DUSUN 3 TIRTA KENCAN | DUSUN 4 JATI LUWI |
| 0-4 | 8 | 9 | 15 | 10 |
| 5-9 | 15 | 11 | 15 | 14 |
| 10-14 | 12 | 9 | 11 | 14 |
| 15-19 | 15 | 14 | 13 | 15 |
| 20-24 | 12 | 27 | 15 | 13 |
| 25-29 | 18 | 10 | 13 | 12 |
| 30-34 | 6 | 10 | 11 | 14 |
| 35-39 | 15 | 5 | 9 | 5 |
| 40-44 | 12 | 11 | 16 | 17 |
| 45-49 | 14 | 21 | 10 | 17 |
| 50-54 | 20 | 17 | 10 | 12 |
| 55-59 | 10 | 14 | 5 | 11 |
| 60-64 | 9 | 4 | 8 | 0 |
| 65-69 | 7 | 4 | 2 | 1 |
| 70-74 | 5 | 6 | 4 | 3 |
| 75+ | 5 | 13 | 5 | 8 |
| MATAIWOI | 183 | 185 | 162 | 166 |