In late expanding phase of demographic cycle death rates declines faster than the bih rate and there is a steady decrease in the demographic gap. In this state population grow at a steadily decreasing rate. Most of the developing countries are now at early expanding and late expanding stages of demographic cycle. Ref: Park's Textbook of Preventive and Social Medicine By K. Park, 19th Edition, Page 379; Foundations of Community Medicine By Dhaar, 2nd Edition, Page 667