Tempo and quantum of population ageing in the world: development opportunities and challenges Abstract This diploma thesis aims to identify and describe the differentiation of the scale and dynamics of the ageing process in the world at sub-regional level and to develop a typology of those sub-regions and selected countries in terms of mentioned characteristics of population ageing. Furthermore, relatively homogenous groups of countries have been distinguished based on the cluster analysis of social conditions in the context of ageing in order to access their readiness to face further development of the phenomenon. Major development opportunities and imminent challenges associated with population ageing have been evaluated in the end. The results show that the timing and extent of age structure changes are very closely related. Countries that have undergone longer demographic transitions experienced longer demographic windows of opportunity that allowed them to reap the benefits of demographic dividends and to develop better social conditions as a result. Rapidly ageing societies from developing regions, on the contrary, have less time and resources to counteract the challenges resulting from the demographic changes where timely measures and policies have to be prioritized by policymakers. Keywords:...

De nos jours la mondialisation préoccupe tout le monde : individus, communautés, groupes, Etats, politiques, citoyens ordinaires, universitaires, intellectuels, nonintellectuels, l'humanité. Le fourmillement d'études surtout économiques et la manifestation d'innombrables mouvements sociaux, conférences et discours politiques qu'elle suscite sont les preuves. N’y a-t-il pas là une raison pour en faire un objet de réflexion pour la philosophie, elle qui veut avoir l’intelligence des choses et du monde, être une quête de sens et une prise de conscience des préoccupations du temps ? Certains facteurs permettent de postuler que la mondialisation est un phénomène multidimensionnel, qu'elle manifeste ou exprime l'universel. Quels sont alors les fondements philosophiques du mondialisme, expression de l'universalisme moderne ? Située dans le temps et l'espace, la mondialisation semble ne pas avoir les mêmes effets pour tous. En outre, notre monde mondialisé paraît malade, dangereux et vide de sens. La justice sociale, la paix durable et la sécurité, la solidarité, la préservation de l'écosystème, la survie de la planète terre et de l'espèce humaine constituent ses défis. Ces aspects n'expriment-ils pas le signe d'une rupture avec les valeurs universalistes de la modernité : idéal de liberté, d'égalité, d'autonomie, de paix et de bonheur de l'homme ? Comment alors fonder une pensée de la mondialisation qui soit créatrice de sens et d'espérance ? Telles sont les grandes interrogations sur lesquelles porte cette thèse, se déroulant en quatre étapes : - Découvrir la mondialisation (la mondialisation comme processus) - Penser la mondialisation (de l’universalisme moderne au mondialisme) - Réagir à la mondialisation (à partir du contexte africain) - Agir dans la mondialisation (refonder une éthique de responsabilité) / Nowadays universalization worries everyone: individuals, communities, groups, States, policies, citizens ordinary, university, intellectuals, nonintellectuals, humanity. The swarming of economic surveys especially and the demonstration of innumerable social movements, conferences and speeches political that it causes are the evidence. There is not there a reason to make an object of reflexion for philosophy, it which wants to have the intelligence of the things and the world, to be a search of sense and an awakening of the concerns of time? Certain factors make it possible to postulate that universalization is a multidimensional phenomenon, whether it expresses or expresses the universal one. Which are then the philosophical bases of the mondialism, expression of modern universalism? Located in time and space, universalization seems not to have the same effects for all. Moreover, our globalized world appears sick, dangerous and meaningless. Social justice, lasting peace and safety, solidarity, the safeguarding of the ecosystem, the survival of the planet ground and the mankind constitute its challenges. These aspects do not express the sign of a break-up with the values universalists of modernity: ideal of freedom, equality, autonomy, peace and happiness of the man? How then to found a thought of the universalization which is creative sense and of hope? Such are the great interrogations to which this thesis relates, being held in four stages: - To discover universalization (universalization like process) - To think universalization (of modern universalism to the mondialism) - To react to universalization (starting from the African context) - To act in universalization (to refound an ethics of responsibility)