In the U.S. the typical school year is 180 days long. In China, the typical school year is 251 days.
7
In 2005, 25 percent of Americans over the age of 50 played video games, an increase from nine percent in 1999.
82
203 million dollars is spent on barbed wire each year in the U.S.
65
There are six times as many people of Irish descent living in America than in Ireland.
15
A typical full-time worker in the US with a four-year college degree earns about $50,000. This is 62% more than a worker with only a high-school diploma.
72
Harvard earns enough money from interest on its endowment that it could offer free tuition to every student and still profit.
13
The US national public health institute, Centers for Disease Control and Prevention, has an actual plan in case of zombie invasion.
29