Number of Workers in the Bristol District
| Underground | Above Ground | Overall Total | |||||||||||
| 10 to 12 | 12 to 13 | 13 to 16 | Over 16 | Total | 10 to 13 | 13 to 16 | Over 16 | Total | |||||
| Male | Female | Male | Female | Male | Female | ||||||||
| 1874 | 0 | 0 | 325 | 2,388 | 2,713 | 1 | 0 | 57 | 0 | 542 | 0 | 600 | 3,313 |
| 1875 | 0 | 0 | 267 | 2,515 | 2,782 | 0 | 0 | 59 | 0 | 616 | 0 | 675 | 3,457 |
| 1876 | 0 | 0 | 239 | 2,279 | 2,518 | 0 | 0 | 71 | 0 | 536 | 0 | 607 | 3,125 |
| 1877 | 0 | 0 | 181 | 2,335 | 2,516 | 0 | 0 | 57 | 0 | 561 | 0 | 618 | 3,134 |
| 1878 | 0 | 0 | 130 | 2,175 | 2,305 | 0 | 0 | 47 | 0 | 543 | 0 | 590 | 2,895 |
| 1879 | 0 | 0 | 170 | 2,192 | 2,362 | 0 | 0 | 46 | 0 | 560 | 0 | 606 | 2,968 |
| 1880 | 0 | 0 | 129 | 2,253 | 2,382 | 0 | 0 | 54 | 0 | 524 | 0 | 578 | 2,960 |
| 1881 | 0 | 0 | 135 | 2,364 | 2,499 | 0 | 0 | 58 | 0 | 549 | 0 | 607 | 3,106 |
| 1882 | 0 | 0 | 125 | 2,170 | 2,295 | 0 | 0 | 47 | 0 | 499 | 0 | 546 | 2,841 |
| 1883 | 0 | 0 | 153 | 2,244 | 2,397 | 0 | 0 | 52 | 0 | 502 | 0 | 554 | 2,951 |
| 1884 | 0 | 0 | 160 | 2,331 | 2,491 | 0 | 0 | 52 | 0 | 508 | 0 | 560 | 3,051 |
| 1885 | |||||||||||||
| 1886 | 0 | 0 | 87 | 2,123 | 2,210 | 0 | 0 | 52 | 0 | 486 | 0 | 538 | 2,748 |
| 1887 | 0 | 0 | 76 | 1,990 | 2,066 | 0 | 0 | 50 | 0 | 469 | 2 | 521 | 2,587 |