Population population 85 History 63 Economic conditions 53 Economic history 48 Histoire 45 Conditions économiques 44 more ... population growth 43 Birth control 35 Démographie 35 Social conditions 35 Bevölkerungsentwicklung 33 Accroissement 32 Demography 32 Economic aspects 32 Population Growth 32 Régulation des naissances 32 Conditions sociales 30 Aspect économique 27 Emigration and immigration 24 history 24 Food supply 23 demography 23 Economic development 22 Environmental aspects 21 Population policy 21 Approvisionnement 19 Bevölkerungswachstum 19 Population forecasting 19 Aliments 18 less ...