2What is a population pyramid? A visual representation of the population of a country.graphically display a population's age and gender compositionshow numbers or proportions of males and females in each age groupshow gains of members due to immigration and birth, and loss of members due to emigration and deathreflect population growth or decline
3Interpreting a Population Pyramid Remember that a population pyramid is basically a bar graph turned on its side. Each line is showing you what percentage of the population is a certain age.Examine the title and the type of data presented. (ex. Age breakup, numbers listed below, male-female notation.)True pyramids are developing countries. The majority of the population is younger and not many people live to an old age. Developed countries are more rectangular; the population is spread more equally through the age groups.
4How to interpret population pyramids There main types of pyramidsRapid growthSlow growthNegative growthShape of rapidgrowthShape ofSlow growthShape of negativegrowth
6Rapid growth pyramids Have a large base to show high birth rates Amount of people decreases as the ages goes up indicating a lower standard of livingAssociated with developing countries likeBrazil, Uganda, China
8Slow growth pyramids Take on a more rectangular shape Indicates population is remaining fairly steadyBirth rates and death rates are similarAssociated with developed countries like the UK, Germany, Canada
10Negative growth pyramids Looks like a reverse pyramidIndicates the population of the country is decreasingDeath rates are higher than birth ratesAssociated with developed countries likeAustria, Japan, Italy
11When can population pyramids be used in World History? TEKS: WH 18C Identify examples of political, economic, and social oppression and violations of human rights throughout history, including slavery, the holocaust, other examples of genocide, and politically motivated mass murders in Cambodia, China, and the Soviet Union
12Essential QuestionsUsing demographic data, distinguish between developed and developing nations in the contemporary world
13Soviet Union WWI- 1914-1918 December 1934 WWI1,700,000 military deadDecember 1934Stalin began a period of purging and terror that lasted until 1939 and was marked by the execution of virtually the entire political and military elite.Enemies of the State
14Soviet UnionHow would you determine how World War I impacted the male population?What age group was impacted by Stalin’s purges?
15CambodiaApril 17th, 1975 the Khmer Rouge, a communist guerrilla group led by Pol Pot, took power in Phnom Penh, the capital of Cambodia. During their rule, it is estimated that 2 million Cambodians died by starvation, torture or execution.
16CambodiaHow did the rule of the Khmer Rouge impact Cambodia’s population?When did this occur?
17China The Cultural revolution Mao formally launched the Cultural Revolution in August 1966.The Cultural Revolution ended in August 1977
18China and the Cultural Revolution How did the Cultural Revolution impact China’s population?What current issues are visible in China’s population pyramid?
19Poland During World War II 6 million Poles (about one sixth of the population) died, including nearly 3 million Polish Jews murdered in Nazi death camps
20PolandHow is World War II reflected in the population pyramid of Poland?