1650 c.e
1999
The estimated world population around 2000 years ago, during the time of the Roman Empire, was around 200 million people.
Eatimates of the worlds population was about 150 million.
It is approx 1.5%.
The population of the Northern Hemisphere is 90% of the worlds population. Which is about 6.3 billion. The population of the Southern Hemisphere is about 10% of the worlds population so that is about 700 million.
Indonesia - 231.5 million representing 3.4% of the worlds population
About 34.5 million or one half of one percent of the worlds population.
Asia.
Approximately 950 million followers (or around 14% of the worlds population). Hinduism is the 3rd largest religion in the world.
Canada
2% of the US population and 4% of the worlds population are red heads
around 9,000,000,000