Black People geography.about.com... Black People about 450 million in 1500 geography.about.com... 4.5 billion http://geography.about.com/od/obtain...population.htm 6.9B world's population projection for global human population growth currently estimated World Population Growth projection for global human population growth projection for global human population growth 7 billion projection for global human population growth Geography.about.com 6.9B World Population Through History world's population estimate on population 81% higher by 2025 4.5 billion 1999: 6 billion Black People projection for global human population growth 8 billion http://geography.about.com/od/obtain...population.htm about 450 million in 1500 4.5 billion 6.8 billion 6.8 billion projection for global human population growth Geography.about.com projection for global human population growth at levels five times 4.5 billion 1.6 billion 1.6 billion 1.6 billion by 2043 1.2 billion people http://geography.about.com/od/obtain...population.htm projection for global human population growth Black People estimate on population View Website source http://geography.about.com/od/obtain...population.htm geography.about.com... about 450 million in 1500 4.5 billion increased more than 3-fold since 1920 4.5 billion 4.5 billion 7 billion 7 billion