How many people currently live in the world?
What is the average life expectancy (worldwide)?
In which country do the most people live today?
The inhabitants of which three countries have the highest life expectancy?
According to projections, how many people will be living on Earth in 2100?
In 1970, a woman had an average of 4.8 children worldwide. How many are there today?
On which continent is the population currently growing the fastest?