1. Chapter 1 section 3 The American People Today
Essential Question: How has the U.S. population change over decades?

2. Census: an official, periodic counting of a population
It has occurred every 10 years in the United States since 1790.
The last one occurred in 2010.
The U.S. population increased by 9% from 2000.
It is expected to increase by about 50 million by 2025.
The census helps predict future population trends.

3. Main Purpose of The U.S. CenSus
The main purpose is to determine state voting rights.
States with higher population earn more votes/ representatives in Congress.
Main Purpose of The U.S. CenSus

4. Other Uses of the u.S. Census
It logs demographic data. DEMOGRAPHICS: study of the characteristics of human populations These demographics include ethnic backgrounds, children per households/ families, pets owned, etc. The census information is available for everyone. Many companies and organizations use it to plan for the future.
Other Uses of the u.S. Census

5. Population Growth Occurs in 3 ways: 1. Natural Increase
2. Adding Territory
3. Immigration
Population Growth

6. Natural Increase in Population
BIRTHRATE: the annual (yearly) number of live births per 1,000 people
DEATH RATE: the annual (yearly) number of deaths per 1,000 people
Birthrate > Death Rate = Natural Population Increase
Natural Increase in Population

7. Adding Territory A country acquires more territory (land).
Population grows and expands.
Occurred significantly in the U.S. during the 1800s
Adding Territory

8. immigration 60 million immigrants to the U.S. since 1820.
Immigrants and their descendants are the majority of the U.S. population
immigration

9. Historical changes affect the population
Population changes

10. Changing households U.S. households been shrinking since 1970
Factors include higher divorce rate, lower marriage rate, fewer children, etc.
Changing households

11. Changing women’s roles
Many new careers have open to women since 1950.
Many more women work outside of the home today than 1950
College graduation rate is higher amongst women now
Changing women’s roles

12. 70,000 at the age of 100 or older in the U.S. as of 2010
380,000+ centenarians (100 or older) expected by 2030
People are living longer due to better lifestyles and health services
The is presenting a BIG challenge.
Young earners are shrinking and retirees are growing
An older population

13. A more diverse population
Mixed heritage (people of multiple ethnic groups) in the U.S. has been steadily rising
A more diverse population

14. A population on the move
Old America was mostly farms. Very few cities in 1700s and early 1800s.
A population on the move

15. Migration to the cities
Development of industries and factories brought people to cities.
MIGRATION: a movement of large numbers of people from region to region, to the cities
1830 was the first census to reveal urban areas (cities) were growing faster than rural areas (farms/ countryside)
Urban overcrowding was a major problem by late 1880s
By 1920 the urban population exceeded U.S rural population
Migration to the cities

16. The Drive TO The Suburbs
The automobile made suburbs popular
Started occurring in the 1920s
The interstate highway made them widely popular after WWII
Today more folks live in suburbs than cities
More than 80% of Americans live in metropolitan areas today
The Drive TO The Suburbs

17. Migration to the sunbelt
Started in the 1950s with the invention of air-conditioners which made warmer climates more tolerable
Dallas is the current fastest growing U.S. city
New York City is the most populous
Migration to the sunbelt