Number of Workers in the Bristol District
| Wage Earners | Clerks & Salaried Persons | Total | Date Numbers Recorded | ||||||||||||||||
| Underground | Above Ground | Males | Females | Total | |||||||||||||||
| Males | Males | Females | Total | ||||||||||||||||
| Under 16 | 16 & under 18 | 18 & under 20 |
20 & over | Total | Under 16 | 16 & under 18 | 18 & under 20 |
20 & over | Under 16 | 16 & under 18 |
18 & under 20 |
20 & over | |||||||
| 1925 | 11 | 18 | 22 | 1,131 | 1,182 | 9 | 14 | 19 | 258 | 0 | 0 | 0 | 0 | 300 | 29 | 4 | 33 | 1,515 | 12 December |
| 1926 | 5 | 12 | 9 | 649 | 675 | 0 | 9 | 7 | 153 | 0 | 0 | 0 | 0 | 169 | 20 | 2 | 22 | 866 | 11 December |
| 1927 | 5 | 11 | 13 | 775 | 804 | 2 | 6 | 4 | 197 | 0 | 0 | 0 | 0 | 209 | 21 | 1 | 22 | 1,035 | 17 December |
| 1928 | 5 | 11 | 27 | 733 | 776 | 1 | 6 | 9 | 173 | 0 | 0 | 0 | 0 | 189 | 20 | 1 | 21 | 986 | 15 December |
| 1929 | 6 | 14 | 20 | 784 | 824 | 5 | 3 | 13 | 170 | 0 | 0 | 0 | 0 | 191 | 24 | 1 | 25 | 1,040 | |
| 1930 | 8 | 16 | 32 | 748 | 804 | 6 | 4 | 12 | 163 | 0 | 0 | 0 | 0 | 185 | 24 | 1 | 25 | 1,014 | |
| 1931 | 7 | 25 | 34 | 729 | 795 | 3 | 10 | 7 | 162 | 0 | 0 | 0 | 0 | 182 | 24 | 1 | 25 | 1,002 | |
| 1932 | 6 | 22 | 29 | 676 | 733 | 6 | 3 | 7 | 152 | 0 | 0 | 0 | 0 | 168 | 19 | 1 | 20 | 921 | 17 December |
| 1933 | 4 | 14 | 34 | 676 | 728 | 2 | 7 | 5 | 154 | 0 | 0 | 0 | 0 | 168 | 21 | 1 | 22 | 918 | |
| 1934 | 2 | 20 | 36 | 680 | 738 | 5 | 4 | 8 | 158 | 0 | 0 | 0 | 0 | 175 | 21 | 1 | 22 | 935 | |
| 1935 | 5 | 12 | 21 | 639 | 677 | 6 | 6 | 5 | 147 | 0 | 0 | 0 | 0 | 164 | 20 | 1 | 21 | 862 | 14 December |
| 1936 | 2 | 14 | 7 | 262 | 285 | 4 | 2 | 1 | 68 | 0 | 0 | 0 | 0 | 75 | 8 | 0 | 8 | 368 | |
| 1937 | 3 | 6 | 5 | 243 | 257 | 2 | 1 | 1 | 60 | 0 | 0 | 0 | 0 | 64 | 8 | 0 | 8 | 329 | |
| 1938 | 4 | 7 | 8 | 230 | 249 | 1 | 1 | 0 | 68 | 0 | 0 | 0 | 0 | 70 | 8 | 0 | 8 | 327 | |