Interviewer instructions
41. Number of wives legally under his protection (for married males only):
Means the wife that still practice the marriage life with her husband and the marriage bond between them doesn't end legally for any reason till the census day.
This field is filled for the married males only and the numerator has to notice the sex field number (36) and the marital status number (38) before recording the special data concerning the number of wives legally under his protection. If the husband married one wife only we records number (1) in the space indicated for that field but if he is married to more than one wife for example three wives records number (3) and so on.