Global Population Growth Rate 
Social Attitudes
Age of the Population
Health
Industrial Revolution
Agricultural Revolution
Infant Mortality Rate
Because of the Agricultural and Industrial revolutions life expectancy increased and the global population increased dramatically. More babies also began to life past the age of 1(IMR) this also caused global population to increase dramatically.
Because fewer people needed to be farmers, they started to move into cities for jobs in factories run by steam power created by burning coal. People in the city created many new technologies. They advanced to steam engine, medicine, vaccines, better nutrition, which made people healthier and thus making them like longer. Life expectancy increased and the global population went up to 1 billion people.
Approximately 350 years ago, many humans used different types of technology on food. This meant farmers could grow more food per acre of land. Better nutrition means people live longer(increased life expectancy). In the end, the global population increased.
Kenya
Canada
Countries like Kenya consider a large family of around 5-7 children to be normal because of their medical advances being a little behind than other countries like U.S.A.; this meant that 1/5 babies would die before ethe age of 1.
Countries like Canada have better health care, which means that parents wont have the fear of losing their child before the age of 1. Parents don't have as much children as a result, now it is a norm to have anywhere between 1-3 children.
AVERAGE FAMILY
AVERAGE FAMILY
If a country has a large percentage of the population in the 15-40 age groups they will have a faster growth rate because these people are usually starting families.
Japan
Mexico
Countries like Japan have a majority of their population in older age groups (50+). Older citizens usually don't give birth to children which means that Japan's population isn't growing by much.
Countries like Mexico have the majority of their population to be between the ages of 15-40. That means if the population is younger than there are more babies. Mexico's population is growing substantially.
Education
Female
Male
Men's education will help on their future career. Depending on the career,
As the education levels significantly increase, the average marriage age increases, particularly for women. This lowers the birth rate as women who marry later tend to have fewer children.
When women do not have good access to education, they tend to get married very young in order to achieve financial stability. When women get married younger it tends to result in higher fertility rates. (Mali)
Economy$
The economic stability reduces needs for a large family. If you live in an urban area, you have more opportunities for jobs and education. Although, gender also plays a part in it. If the population of a country has a high proportion of employed females, then the growth rate may decrease.
Women
When women live in poor farming communities, they often have more children to support the work on the farm.
When women stay in school and are empowered to get awesome jobs, they get married at an older age and have less children.