Interesting facts from Operation World: The Definitive Prayer Guide to Every Nation (using data from the United Nations).
"The world's population nearly doubled between 1970 and 2010. Global population growth rates peaked around 1970 and have steadily declined since then - the main contribution to this decline is smaller family size."
51% of the world population are "urbanites." "The urban population reached over 50% for the first time in history in 2009."
Here is what God said about population growth:
"Be fruitful and multiply, and fill the earth. . . . Populate the earth abundantly and multiply in it" (Gen 9:1, 7).