This textbook presents an overview of the field of demography from a contemporary perspective. Designed as an introductory text for undergraduates and graduates, it lays out the basic concepts, methods, and applications of the field of demography. It describes the unique characteristics of the field, reviews the basic demographic processes, and provides an overview of the analytical techniques utilized by population scientists. It emphasizes the applied nature of demography and includes a chapter on application of demography to real-world problems as well as a discussion of population policy. The text is supplemented by ample tables, graphics, and illustrations that illustrate the concepts being considered. Through including exercises as well as detailed information on the sources of demographic data, this textbook is a must have for undergraduate and graduate students in demography and population studies.