1. 7.1 Billion! How BIG is a billion?
If you live to be 1 million seconds you’d be 11.6 days old.
If you live to be 1 billion seconds you’d be 31.7 years old.
If you had 1 million $ in $1000 bills the stack would be 6.3 inches high
If you had 1 billion $ in $1000 bills the stack would be 357 feet high.

2. World Population
The world’s population reached 1 billion in the early 1800s
By 1930 it doubled to 2 billion, by 1975 it doubled to 4 billion.
In 1999 the population reached 6 billion
In 2011, it reached 7 billion.

3. Population Growth Birth Rate- # of live births per 1000 people
highest- Niger lowest- Monaco-6.79
US is 147nd with 13.66
Fertility Rate- Average # of children a woman of childbearing years would have in her lifetime
2.1 is needed to replace the population
Worldwide Average- 3.0
highest- Niger 7.03 lowest- Singapore .79
US is 121th with 2.06

4. Mortality Rate (Death Rate)- # of deaths per 1000 people
highest- South Africa 17.3 lowest- Qatar 1.54
US is 88th with 8.39
Infant Mortality Rate- # of deaths among babies under age one per 1000 live births
highest- Afghanistan lowest- Monaco 1.81
US ranks 174h with 5.9
Rate of Natural Increase- birth rate minus death rate
Growth Rate- The average annual percent change in the population, resulting from a surplus (or deficit) of births over deaths and the balance of migrants entering and leaving a country.
US - .9% (124th)

5. Population Distribution
Population is NOT evenly distributed
Climate, altitude, water access, and political/economic situation influence where people live.
90% of the pop. lives in the Northern Hemisphere.
66% of the pop. lives between 20ºN and 60ºN
The least densely populated areas are polar, desert, and mountainous regions.

6. Migration Migration- movement of people
Immigration- people moving Into a country
Emigration- people Exiting a country
The PUSH-PULL FACTORS- reasons for migration
Push- those reasons that cause people to leave their country such as natural disasters, war, persecution, or environmental.
Pull- those reasons that attract people to another country such as economic opportunity, better technology, or better climate.

7. Urban Geography About ½ of the world’s pop lives in cities.
250+ million people live in megacities- cities with 8+ million
Characteristics of a city
center of business and/or culture
suburbs- built up areas around the city
exurbs- smaller cities near the larger city
metropolitan area- the city, its suburbs, and exurbs
megalopolis- an area in which several large cities have grown together such as Washington D.C. to Boston.

8. World Reduced to 100 people
The Global Village