7 billion About.com projection for global human population growth projection for global human population growth 4.5 billion 4.5 billion World Population Growth geography.about.com... projection for global human population growth about 450 million in 1500 Learn more at geography.about.com Geography.about.com http://geography.about.com/od/obtain...population.htm 6.8 billion people currently on this planet geography.about.com... 1.6 billion source geography.about.com... World Population - Current and Historic Counts 483 million in the U.S About.com by 2043 world's population currently estimated estimated 6.9B 4.5 billion second half of the seventies 1.2 billion people 1.6 billion 483 million in the U.S geography 8 billion world's population projection for global human population growth 4.5 billion 81% higher about 450 million in 1500 6.8 billion projection for global human population growth Black People geography.about.com... Black People 4.5 billion 4.5 billion Geography.about.com geography.about.com... 7 billion source projection for global human population growth by 2025 Current World Population World Population ➚ 6.8 billion about 450 million in 1500 200 million people About.com Human Population of the Earth projection for global human population growth projection for global human population growth 4.5 billion antalet människor Learn more at geography.about.com source http://geography.about.com/od/obtain...population.htm about 450 million in 1500 about 450 million in 1500 1.6 billion estimate on population Black People