Answer :
The population of Africa first surpassed one billion in 2009, with a doubling time of 27 years.
Hope it helps...
We have that the number of people in Africa was under one billion in 2008.
Population
Generally, the population of Africa went past one billion in 2009, and this
happens with a growth rate of 2.6% p.a.
Therefore, with this stats we know that the number of people in Africa was under one billion in 2008.
For more information on Population visit
https://brainly.com/question/7301139