Typically it is thought that the population of the world at the time of Jesus Christ was between 200 million and 300 million. For a serious scholarly look at the world's population over the ages, go to the related link below where various factors are considered giving realistic variations in calculations with consideration to disasters, life expectancies etc.
India
North America currently has about 5% of the world's population and accounts for around 25% of the world's economic output.
The world's population in 1946 was estimated to be around 2.3 billion people.
Khmer rouge slaughtered one quarter of the worlds population in one blow
Asia, which is home to no less than 60% of the worlds population.
god, and jesus
Eatimates of the worlds population was about 150 million.
2314
The population of Trion Worlds is 200.
The population of Cyan Worlds is 2,005.
The population of Cyan Worlds is 40.
Realtime Worlds's population is 200.
Unknown Worlds Entertainment's population is 6.
Forty percent of the worlds population have pets at home.
China is one-tenth of the worlds population. :)
250 million
Because Jesus is the most important man in Christianity and Jewism, which covers up alot of the worlds population. So, due to majority, Jesus's birth is the dividing line separating BC from AD.