Debutants
Ralf Hofeditz is the youngest debutant in World Championships in 1983. There are 35 debutants.
| # | Rider | Team | Age |
|---|---|---|---|
| 1 | HOFEDITZ Ralf | Germany | 21y + 4d |
| 2 | CHILCOTT Gavin | United States | 21y + 141d |
| 3 | VANDERAERDEN Eric | Belgium | 21y + 205d |
| 4 | JULES Pascal | France | 22y + 44d |
| 5 | DERNIES Michel | Belgium | 22y + 241d |
| 6 | LAMMERTS Johan | Netherlands | 22y + 337d |
| 7 | ROOKS Steven | Netherlands | 23y + 28d |
| 8 | DELGADO Pedro | Spain | 23y + 142d |
| 9 | PEIPER Allan | Australia | 23y + 162d |
| 10 | GAVILLET Bernard | Switzerland | 23y + 182d |
| 11 | MANDERS Henri | Netherlands | 23y + 186d |
| 12 | HAGHEDOOREN Paul | Belgium | 23y + 328d |
| 13 | SILSETH Ole-kristan | Norway | 23y + 338d |
| 14 | PATTERSON John | United States | 23y + 351d |
| 15 | LE BIGAUT Pierre | France | 23y + 352d |
| 16 | SERGEANT Marc | Belgium | 24y + 19d |
| 17 | BOMBINI Emanuele | Italy | 24y + 64d |
| 18 | JOUGHIN Steve | Great Britain | 24y + 73d |
| 19 | DIETZEN Reimund | Germany | 24y + 98d |
| 20 | HERMANN Sigmund | Liechtenstein | 24y + 110d |
| 21 | COLL Antonio | Spain | 24y + 151d |
| 22 | GARDE Dominique | France | 24y + 170d |
| 23 | PAGANESSI Alessandro | Italy | 24y + 217d |
| 24 | HERNÁNDEZ Carlos | Spain | 24y + 251d |
| 25 | RUSSENBERGER Marcel | Switzerland | 24y + 364d |
| 26 | LELEU Philippe | France | 25y + 160d |
| 27 | STEPHENS Brian | Australia | 26y + 49d |
| 28 | RECIO José | Spain | 26y + 223d |
| 29 | FERRETTI Antonio | Switzerland | 26y + 228d |
| 30 | KURZWEG Detlef | Germany | 27y + 303d |
| 31 | JOURDAN Christian | France | 28y + 247d |
| 32 | MORRISON Michael | Great Britain | 28y + 268d |
| 33 | CLIFTON Greg | Australia | 32y + 227d |
| 34 | TIMBRELL Paul | Australia | |
| 35 | FETCH Eric | United States |