Population: Today's Question

annual number Australia balance of births birth control birth-rate began births and deaths births over deaths British Burgdörfer census cent century chapter child child-bearing age child-bearing period classes computed contraception correct death-rate crude birth-rate crude death-rate declining fertility decrease differential fertility diminishing economic status England and Wales Essay estimated excess of births family allowances family limitation female births fertility and mortality France French Canadians Germany gross reproduction rate income J. M. KEYNES J. S. Mill Kuczynski labour Lancelot Hogben large families less living loans Malthus Malthus's marriages married couples mean expectation means of subsistence ment Mercantilists millions modern Norman Himes number of births number of children number of marriages optimum over-population population growth population increase population question present produce proportion race rapid ratio reductions replacement rate rural South Wales specific fertility rates statistics Tarn-et-Garonne things thought tion women of child-bearing Zealand