New research data is pointing towards population peak around 2055, about 8.7 billions, followed by decline to 8 billions by 2100 (http://www.cnbc.com/id/101018722). However, according to data given below peak population could occur by the year 2070 when the population might be 9.5 or 10 billion. Previous data by the United Nations “UN” foresee further rise until 2100 to reach 10.9 billions with no peak population.
The carrying capacity of planet earth is a very much-discussed topic with many different scenarios and predictions. However, increasing amount of data have shifted towards more clear trends a converging world population towards a peak around 2050 due to the declining of global fertility. All developed, less developed and least developed regions show declining fertilities that already started around 1960. The period of continuous increase in global population because of increasing average human life span and decline in human mortality will soon be over.