Part of Oral Answers to Questions — Coal Industry. – in the House of Commons on 6th December 1938.
| Number of Wage-earners employed underground at Coal Mines in West and South Yorkshire and annual output of saleable coal raised per underground wage-earner for the years 1920–37 (excluding 1921 and 1926). | ||||||
| Year. | West Yorkshire. | South Yorkshire. | ||||
| Number of Wage-earners employed below-ground. | Output per Wage-earner employed below-ground. | Number of Wage-earners employed below-ground. | Output per Wage-earner employed below-ground. | |||
| Tons. | Tons. | |||||
| 1920 | … | … | 54,598 | 256 | 80,025 | 277 |
| 1922 | … | … | 53,672 | 269 | 88,809 | 312 |
| 1923 | … | … | 56,008 | 283 | 93,714 | 327 |
| 1924 | … | … | 56,832 | 275 | 98,182 | 315 |
| 1925 | … | … | 53,599 | 269 | 99,293 | 311 |
| 1927 | … | … | 50,487 | 277 | 100,486 | 318 |
| 1928 | … | … | 44,087 | 282 | 96,663 | 320 |
| 1929 | … | … | 41,802 | 309 | 96,626 | 347 |
| 1930 | … | … | 40,616 | 303 | 96,715 | 333 |
| 1931 | … | … | 39,713 | 292 | 91,151 | 318 |
| 1932 | … | … | 38,325 | 282 | 84,987 | 321 |
| 1933 | … | … | 34,481 | 297 | 79,198 | 341 |
| 1934 | … | … | 34,054 | 326 | 78,264 | 367 |
| 1935 | … | … | 33,139 | 342 | 76,627 | 383 |
| 1936 | … | … | 32,694 | 360 | 76,993 | 399 |
| 1937 | … | … | 33,193 | 383 | 78,426 | 413 |
| NOTES.—(1) Prior to the year 1925 the particulars employed relate to those "ordinarily employed" and subsequently to the average number of persons on Colliery Books based upon four selected dates. | ||||||
| (2) Figures for 1921 and 1926 are not given as in these years there were protracted disputes. | ||||||
