177,829,628
The population of dogs increase because in these hard econmic times people don't have that much money so they can take care of there dogs.
Not by much
29,258,000
57
Sao Paulo's population increased by approximately 12 million people from 1950 to 2003.
Actually our population has decreased by one million within a decade.
It will increase very much
A slow decline in the mortality rate.
by 4.5 million
It will increase very much
http://en.wikipedia.org/wiki/April_30 Scroll for 1959, not much though by the looks of it.
People Cutting down trees obviously? Too much war? Americans Spilling chemical to increase Vietnam's Population of getting Disabled people?