Πραγματικός πληθυσμός κατά ομάδες ηλικιών και φύλο.
Απογραφή Πληθυσμού 18ης Μαρτίου 2001.
| Ομάδες ηλικιών | Σύνολο | Άρρενες | Θήλεις |
| ΝΟΜΟΣ ΛΕΣΒΟΥ | 109.118 | 56.501 | 52.617 |
| 0-4 | 5.258 | 2.673 | 2.585 |
| 5-9 | 5.344 | 2.753 | 2.591 |
| 10-14 | 5.430 | 2.846 | 2.584 |
| 15-19 | 7.966 | 5.034 | 2.932 |
| 20-24 | 8.563 | 5.393 | 3.170 |
| 25-29 | 7.880 | 4.393 | 3.487 |
| 30-34 | 7.841 | 4.032 | 3.809 |
| 35-39 | 6.866 | 3.602 | 3.264 |
| 40-44 | 6.521 | 3.448 | 3.073 |
| 45-49 | 5.829 | 2.987 | 2.842 |
| 50-54 | 6.661 | 3.280 | 3.381 |
| 55-59 | 5.680 | 2.727 | 2.953 |
| 60-64 | 6.077 | 2.780 | 3.297 |
| 65-69 | 6.776 | 3.168 | 3.608 |
| 70-74 | 6.866 | 3.196 | 3.670 |
| 75-79 | 4.650 | 2.135 | 2.515 |
| 80-84 | 2.764 | 1.207 | 1.557 |
| 85-89 | 1.594 | 715 | 879 |
| 90-94 | 428 | 112 | 316 |
| 95-99 | 100 | 11 | 89 |
| >=100 | 24 | 9 | 15 |
| ΛΕΣΒΟΣ | 90.643 | 46.199 | 44.444 |
| 0-4 | 4.397 | 2.236 | 2.161 |
| 5-9 | 4.427 | 2.255 | 2.172 |
| 10-14 | 4.458 | 2.317 | 2.141 |
| 15-19 | 6.321 | 3.813 | 2.508 |
| 20-24 | 6.775 | 4.073 | 2.702 |
| 25-29 | 6.435 | 3.514 | 2.921 |
| 30-34 | 6.481 | 3.326 | 3.155 |
| 35-39 | 5.647 | 2.949 | 2.698 |
| 40-44 | 5.418 | 2.856 | 2.562 |
| 45-49 | 4.873 | 2.455 | 2.418 |
| 50-54 | 5.703 | 2.797 | 2.906 |
| 55-59 | 4.858 | 2.320 | 2.538 |
| 60-64 | 5.114 | 2.328 | 2.786 |
| 65-69 | 5.679 | 2.660 | 3.019 |
| 70-74 | 5.855 | 2.724 | 3.131 |
| 75-79 | 4.006 | 1.838 | 2.168 |
| 80-84 | 2.362 | 1.026 | 1.336 |
| 85-89 | 1.360 | 604 | 756 |
| 90-94 | 375 | 92 | 283 |
| 95-99 | 78 | 8 | 70 |
| >=100 | 21 | 8 | 13 |
| ΛΗΜΝΟΣ | 18.104 | 10.097 | 8.007 |
| 0-4 | 850 | 431 | 419 |
| 5-9 | 904 | 491 | 413 |
| 10-14 | 957 | 522 | 435 |
| 15-19 | 1.617 | 1.202 | 415 |
| 20-24 | 1.754 | 1.301 | 453 |
| 25-29 | 1.425 | 866 | 559 |
| 30-34 | 1.335 | 691 | 644 |
| 35-39 | 1.200 | 644 | 556 |
| 40-44 | 1.075 | 574 | 501 |
| 45-49 | 929 | 520 | 409 |
| 50-54 | 923 | 461 | 462 |
| 55-59 | 801 | 393 | 408 |
| 60-64 | 950 | 448 | 502 |
| 65-69 | 1.068 | 493 | 575 |
| 70-74 | 989 | 459 | 530 |
| 75-79 | 627 | 290 | 337 |
| 80-84 | 395 | 177 | 218 |
| 85-89 | 229 | 110 | 119 |
| 90-94 | 51 | 20 | 31 |
| 95-99 | 22 | 3 | 19 |
| >=100 | 3 | 1 | 2 |
| ΚΟΙΝΟΤΗΤΑ ΑΓΙΟΥ ΕΥΣΤΡΑΤΙΟΥ | 371 | 205 | 166 |
| 0-4 | 11 | 6 | 5 |
| 5-9 | 13 | 7 | 6 |
| 10-14 | 15 | 7 | 8 |
| 15-19 | 28 | 19 | 9 |
| 20-24 | 34 | 19 | 15 |
| 25-29 | 20 | 13 | 7 |
| 30-34 | 25 | 15 | 10 |
| 35-39 | 19 | 9 | 10 |
| 40-44 | 28 | 18 | 10 |
| 45-49 | 27 | 12 | 15 |
| 50-54 | 35 | 22 | 13 |
| 55-59 | 21 | 14 | 7 |
| 60-64 | 13 | 4 | 9 |
| 65-69 | 29 | 15 | 14 |
| 70-74 | 22 | 13 | 9 |
| 75-79 | 17 | 7 | 10 |
| 80-84 | 7 | 4 | 3 |
| 85-89 | 5 | 1 | 4 |
| 90-94 | 2 | 0 | 2 |
| 95-99 | 0 | 0 | 0 |
| >=100 | 0 | 0 | 0 |
