How has the American population changed over the past hundred years?

Answer 1

Over time the US has seen a significant growth in its population. The US is currently the 3rd most populous country and has grown from 76 million in 1900 to over 308 million in 2010. It is estimated that the population will have grown to approximately 317 million in 2014.

Answer 2

Like the population of many other living organisms, the size of the human population tends to increase with time.

Answer 3

America's population shifted with wars, disease, depressions, the advance of effective Birth Control methods, recessions, moral decay or moral improvement, and horrific storms.

Answer 4

It has increased greatly