Part of Oral Answers to Questions — Royal Air Force. – in the House of Commons at on 29 April 1929.
| Department. | Number. |
| Admiralty | 3,524 |
| Agriculture and Fisheries, Ministry of (including Ordnance Survey and Royal Botanical Gardens, Kew) | 1,101 |
| Air Ministry | 1,304 |
| Broadmoor Criminal Lunatic Asylum | 217 |
| County Courts | 1,389 |
| Health, Ministry of (England) | 771 |
| Home Office | 277 |
| Labour, Ministry of | 8,789 |
| Mines Department | 84 |
| National Insurance Audit Department | 299 |
| Pensions, Ministry of | 2,799 |
| Post Office | 68,222 |
| Principal Probate Registry | 185 |
| Prison Commission | 1,798 |
| Public Trustee | 72 |
| Scientific and Industrial Research, Department of | 611 |
| State Management Districts Office | 82 |
| Stationery Office | 186 |
| Trade, Board of | 968 |
| Transport, Ministry of | 74 |
| War Office | 2,485 |
| Works, Office of | 92 |
| Wales. | |
| Health, Board of | 343 |
| Scotland. | |
| Agriculture, Department of | 291 |
| Education Department | 155 |
| Exchequer (including Register House and Law Charges) | 338 |
| Fishery, Board of | 58 |
| Health, Department of | 544 |
| Prisons | 388 |
| Northern Ireland. | |
| Land Purchase Commission | 70 |
| Other Departments | 347 |
| Total | 97,863 |
