ChartsDemographyForecasts World population by level of fertiliy over time (1950 – 2010) October 20, 2015 Alex Source: wwwourworldindata.org Related Posts:How America’s Source of Immigrants Has Changed in…How the World was Imagined: First Maps and AtlasesLargest denominations families in the United States…U.S. Population Density MappedPopulation growth in Europe mappedOfficial gems, minerals and rocks symbols of every…U.S. Population under 5 years of age percent change…Largest participating religious group (1906 - 2010)