Charbit Yves. - Public Opinion about Demographic Policies, Nuptiality and New Techniques of Procreation in May 1987. A new opinion survey on the current demographic situation was carried out in May 1987 on a sample of 2,800 people aged 18 or over. The questions dealt primarily with demographic...

Analysis of the relations between development and international migrations for the less developed countries is presented. One traces initially the main trends of the migratory movements in the world for next the decades and analysis is made on the two principal phenomena which will have an...