World population to reach 8.1 billion in 2025: UN

World population to reach 8.1 billion in 2025: UN: A new UN report is forecasting that the world's population will increase from 7.2 billion on Thursday to...


World population estimates from 1800 to 2100, based on UN 2010 projections (red, orange, green) and US Census Bureau historical estimates (black). Actual recorded population figures are in blue. According to the highest estimate, the world population may rise to 16 billion by 2100; according to the lowest estimate, it may decline to 6 billion.