📊 DEMOGRAPHY & DEMOGRAPHIC CYCLE 🔰 What is Demography? 🔹 Demography is the statistical and scientific study of human populations.🔹 It focuses on size, structure, distribution, growth, and changes (birth, death, migration).🔹 The word is derived from Greek:🔸 Demos = People🔸 Graphy = Study/Writing 📚 Scope of Demography 🇮🇳 Sources of Demographic Data in India 📘 Source 🔍 Purpose Census (every 10 years) Complete population count Sample Registration System (SRS)