Children are a specific social group that has an obligation to restructure future social structures. To fulfill their mission, children must be nurtured and supervised step by step in the process of shaping and developing health, intelligence and personality issues... This book is a selection of scientific studies, articles and reports on the developmental aspects of children according to the sociological approach that the author has made over the years. The content of the book includes 4 main parts as follows: Opportunities and conditions for development; Health care; Access to education; Employment and labor. Selected articles and publications are published not only in recent times, in order to make comparisons for future research. The author also applies a number of different statistical techniques and analysis methods to help readers to refer and apply in their studies.