(BEWARE! FOR GUESSTIMATION ONLY! BRUTALLY ROUNDED!)

20 billion: Number of chickens in world
7 billion: Population of World (humans)
4 billion: Population of Asia (2010)
3 billion: Population of the World, 1960
1 billion: Population of China, Population of the world in 1800, Population of Africa, number of cattle in world (2010)

600 million: Population of Europe
500 million: Population of North America
400 million: Population of South America
300 million: Population of United States
200 million: Americans between ages of 16-65
100 million: Number of Americans 16 or older *not* working (2011)

50 million: Population of England; Number of deaths, worldwide, per year, 2010; Population of Roman Empire at height
40 million: Population of California
30 million: Number of people without insurance currently, who will be insured under “Obamacare”
20 million: Number of Americans who work in the food industry, Reported population of Beijing, Number of American college students (part and full time)
10 million: Number of undocumented immigrants in U.S., Number of restaurant workers in U.S.

8 million: Population of New York City
4 million: Number of Americans born per year, Number of Americans in first census (1790), Number of K-12 teachers (U.S).
3 million: Population of Chicago
2 million: Number of Americans that die per year, Number of college professors (U.S.)
1 million: Population of New Hampshire

500,000: Number of people attending Woodstock Music Festival
100,000: Population of Manchester, NH
20,000: Population of Keene, NH