Apparently it will take 1000 years in any case so you won't be missing out in your life time! 
You don't have to worry though it's only statistics. For it to be true it would require, even when there is only one child left, for every birth to result in 1 death + 1 death every 100 seconds.
There is a decline in population growth but the planet is already over populated by 5 BILLION odd so it can't hurt too much

You don't have to worry though it's only statistics. For it to be true it would require, even when there is only one child left, for every birth to result in 1 death + 1 death every 100 seconds.
There is a decline in population growth but the planet is already over populated by 5 BILLION odd so it can't hurt too much

13 years