Global population trends result from varying levels of population growth and decline among countries. This informative video provides a simple and compelling overview of population trends that have created a world of 7 billion people.
Find out more at http://www.prb.org/2011-world-population
PRB informs people around the world about population, health and the environment, and empowers them to use that information to advance the well-being of current and future generations. Find out more about PRB at our website, www.prb.org.