Let’s take global population first. It’s around 7 billion now, in line with figures predicted by the UN in 1958. By the year 2100, the same experts predict it will be around 11 billion. But write my essay for me i need an essay written for me did you know that 11 billion is probably as high as that number will get? The rate of increase will slow down in the second half of this century thanks to falling birth rates today.