How should we compute the withholding tax for a manager who is a head of the family without dependent?

Question

How should we compute the withholding tax for a manager who is a head of the family without dependent?

Answer 1

If you are in the us and mean head of household, it is impossible to be head of household without a dependent.

Answer 2

This question appears to need a country to be given proper treatment if outside of the USA. (or in the US Australia)

Answer 3

Single with 1

Answer 4

If you're in the US, you go by what he puts on his W-4.  If he fails to file one, you withhold at Single and 0.