This publication titled, "Demography Principles" provides readers with an introduction to principles of demography. An introductory overview of elements and components of demography is also given in detail. The advanced aspects of principles of demography are outlined in detail. Focus lies on survey aspects of demography, health and population. The other related aspects of principles of demography are described in brief. This book contains following chapters: Introduction to Demography Principles; Focus on Elements and Components of Demography; Advanced Aspects of Demography Principles; Focus on Survey Aspects of Demography, Health and Population; Focus on Other Related Aspects of Demography Principles; Appendix and Bibliography etc.