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Concernant l'épidémiologie/démographie du vieillissement :a. Le nombre de sujets de 0 à 19 ans va être multiplié par 5 dans les 50 prochaines annéesb. Le nombre de sujets âgés de plus de 80 ans va diminuer dans les prochaines 50 annéesc. L'espérance de vie est la même entre homme et femme actuellementd. Le vieillissement de la population est uniquement lié au progrès de la médecinee. Le vieillissement de la population est l'augmentation de la proportion de sujet de plus de 60 ans dans la population totale

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