25,579 records (52.1%) have a known Branch of Service (Army, Navy, Air Force, Medical Health).
Branch is distinct from Corps (a specific arm within a branch, e.g. Infantry Corps) and Force (organisation/era, e.g. SADF). Most records not yet classified were recorded via a specific named Regiment/Unit rather than a generic branch label — this chart reflects only those directly identifiable as a branch so far.
| Branch | Deaths | % of total |
|---|---|---|
| Unknown | 23,514 | 47.9% |
| Army | 21,001 | 42.78% |
| Air Force | 3,591 | 7.31% |
| Medical Health | 549 | 1.12% |
| Navy | 438 | 0.89% |
| # | Branch | Regiment | Unit | Deaths |
|---|---|---|---|---|
| 1 | Army | Unknown | Unknown | 6,071 |
| 2 | Army | Unknown | 2nd Regt. | 1,302 |
| 3 | Army | Unknown | 4th Regt. | 1,291 |
| 4 | Army | Unknown | 1st Regt. | 1,229 |
| 5 | Army | Unknown | 3rd Regt. | 712 |
| 6 | Air Force | Unknown | Unknown | 698 |
| 7 | Medical Health | Unknown | Unknown | 354 |
| 8 | Army | Unknown | 5th Bn. | 338 |
| 9 | Army | Unknown | 32 (Buffalo) Battalion | 293 |
| 10 | Army | Unknown | M.t. | 244 |
| 11 | Army | Unknown | Railway Section | 226 |
| 12 | Air Force | 24 Squadron | Unknown | 183 |
| 13 | Army | Unknown | 8th Regt. | 171 |
| 14 | Air Force | 12 Squadron | Unknown | 169 |
| 15 | Army | Unknown | 4th Bn. | 160 |