FOUR MAIN ISSUES WITH PREDICTING POPULATION TRENDS

COMPOUNDING PEOPLES MAKES COMPOUNDING PROBLEMS

MEANING THAT A POPULATION WILL MULTIPLY AS TIME GOES ON

THE DIFFERENCE IN THE FERTILITY RATES DETERMINES THE GROWTH RATE

PEOPLE MOVE

WHEN PEOPLE EXIT A COUNTRY (USUALLY DUE TO ECONOMIC ISSUES)

PEOPLE MOVING INTO A COUNTRY

PEOPLE WHO EMIGRATE FROM A COUNTRY DUE TO POLITICAL REASONS

CULTURAL CONSIDERATIONS

SUCH AS CATHOLICS, MORMONS, AND ISLAMICS

MAY STATE A REQUIRED OR PROHIBITED NUMBER OF CHILDREN

IN CHINA, PEOPLE ARE ENCOURAGED TO HAVE ONLY ONE CHILD

PEOPLE ARE ENCOURAGED TO HAVE MULTIPLE CHILDREN

CRONIC DISEASES, NATURAL DISASTERS, AND WAR

THIS CRONIC DISEASE DRAMATICALLY INCREASES THE DEATH RATE

THAT THE ENTIRE PLANET COULD BECOME DEVELOPED?

FROM THE DEMOGRAPHIC TRANSITION?

AND MAKE IT EXCEEDINGLY DIFFICULT TO PREDICT WHAT WILL HAPPEN NEXT.