This page discusses the Rate of Natural Increase (r), derived from the difference between birth and death rates, highlighting its influence on global population trends, particularly the impact of decl...This page discusses the Rate of Natural Increase (r), derived from the difference between birth and death rates, highlighting its influence on global population trends, particularly the impact of declining death rates. It examines demographic transitions across countries like Sri Lanka, and the effects of the U.S. baby boom. Despite a low Total Fertility Rate, baby boomers are affecting population dynamics, contributing to concerns about sustainability as projections suggest a rise to 9.
