It has never decreased....
It will in between 2020 and 2035
the united states
Europe According to about.com, "Ukraine: 0.8% natural decrease annually; 28% total population decrease by 2050"
Houstantlantavegas? your an idiot. im not sure, i think its Europe
The population of zoo plankton would decrease.
A decrease in the birth rate will cause a decrease in population over time.
Population decline in some countries in southern Europe can be attributed to factors such as low birth rates, emigration of young people in search of better employment opportunities, and an aging population. These countries may also face economic challenges, leading to a decrease in the overall population.
Death and migration are factors that can decrease hare population.
The population of Europe is about 750,000,000.
Europe's population is about 750,000,000.
Population crash
The population of Europe for 2011 is 731,000,000
Europe has a population of about 750,000,000.