2.107
800,000,000
289 years
20%
per wikipedia....191,241,714
consider doubling time
The population of Slovakia is about 5,430,000.
The doubling time is around 26 minutes.
Germany and other European countries' natural growth rate is actually negative (on average, women in Germany give birth to 1.5 children, which is below the number to yield zero population growth, approximately 2.1 children). Germany's natural growth rate of -0.1 can not be used to determine doubling time because the population is actually shrinking in size.
mankind's don't need time to double the size. becauze they are very fast in doubling the population.
Sadly, the way babies are being continually aborted, not going to happen.
The Amazon river is Brazils largest river.
The average doubling time of lactobacillus acidophilus is 1.8 hours at 40 degrees centigrade.