Currently, the UN estimates the world population to be about 8.2 billion, which is projected to peak at over 10 billion by the mid-2080. However, research, published in the journal Nature ...

The population of the world at the time of Christ was estimated at about 200 million. For 1,800 years, through plagues, wars and voyages of exploration, it remained roughly steady. The population ...

The map is based on the World Population Review's research for this year "by combining reports and public opinion surveys on the subject from all around the globe." International relations are ...

Overall, the study paints a picture of steady global declines in measles activity since 1990, but suggests the 2020 COVID-19 ...