1. If a country has more children, how many additional jobs will be created, e.g. teachers, doctors, nurses, carers and other occupations that are directed connected to taking care of the child from birth till the child enters the workforce. You can add the hardware cost, such as building schools, child care centers and medical clinics for the children.
2. Estimate the total annual cost and divide by the number of children. This will be the cost for each year of raising a child.