Today is annual United Nations World Population Day.
In the next few months the world’s population will pass 7 Billion for the first time. (Here's a population clock to keep track)
This is an amazing 2 Billion new people since 1987 and a doubling of world population since 1968!
The world’s population first reached 1 Billion around 200 years ago.
To understand how much the world we live in has changed compared to the world of our ancestors at that time, you absolutely have to watch the below video produced by the BBC.