I guess it is if you are in war or your country is tortured by a disease. Then many people will be killed in war/get infected and die. After that even if the Birth Rate is high, the Death Rate would be higher so the population will decrease in size. It is possible. (Sorry for not professional answer.)
I guess it is if you are in war or your country is tortured by a disease. Then many people will be killed in war/get infected and die. After that even if the Birth Rate is high, the Death Rate would be higher so the population will decrease in size. It is possible. (Sorry for not professional answer.)
I guess it is if you are in war or your country is tortured by a disease. Then many people will be killed in war/get infected and die. After that even if the Birth Rate is high, the Death Rate would be higher so the population will decrease in size. It is possible. (Sorry for not professional answer.)
I dont think its possible for the population to decrease because if people keep on having babies the population is just going to grow larger than what it was before.
A decrease in the birth rate will cause a decrease in population over time.
If more people were dying than being born, then yes
A low Birth Rate and environmental hazards are two things that can cause a population to decrease.
A low birth rate and environmental hazards are two things that can cause a population to decrease.
Immigration, decrease in infant mortality, increase in birth rate, decrease in mortality.
Immigration and birth increase the population size as they are bringing more individuals into the population. While death and emigration decrease the population because death kills off individuals while emigration is a process in which individuals leave/exit the population.
They decrease
They decrease
They decrease