To what extent do emigration and immigration serve a useful purpose ? This interesting problem of economic and social science has been frequently considered by departmental committees and reported upon by various commissions. It has been the subject of countless articles in all classes of periodicals and reviews, and has furnished points for debate in numerous political controversies. Abroad and in the Colonies it has by no means escaped attention, being the cause of much legislation and party strife. To answer this question it will be necessary to consider the value of emigration and immigration from three different standpoints : firstly, that affecting the Mother Country; secondly, that affecting the receiving country; and, thirdly, that which influences the individual personally.