We're all going full steam ahead on The World Almanac for Kids 2008, so apologies for the late (and light) posting today. To tide you over, here's another "World at a Glance" installment, this time a quick look at some notable changes in agriculture, health, population, and other areas in recent decades. Any other noteworthy trends we missed? Let us know in the comments.
1900-2000: The top country of origin for foreign-born U.S. residents shifted from Germany (26% of the foreign-born population in 1900) to Italy (13% in 1960) to Mexico (30% in 2000).
1940-2005: The total number of U.S. farms fell more than 66%, from 6.4 million to 2.10 million.
1960-2005: Americans’ average savings, as a percent of their disposable income, fell from 7.3% to –0.4%.
1960-2002: The percentage of U.S. adults who were clinically overweight climbed from 45% to 65%, and the number of all U.S. adults considered clinically obese rose from 13% to 31%.
1980-2005: Average annual tuition and fees for a 4-year private college or university were 10 times higher in 2005 than in 1980, rising from $1,809 to $18,838.
1980-2005: The percentage of high school seniors who had at least one heavy drinking episode in the previous two weeks fell from 41% to 28%.
1990-2005: The median price for an existing single family home in the U.S. climbed 138%, from $92,000 to $219,000.
1990-2004: The rate of increase of greenhouse gas emissions in the U.S. slowed dramatically: emissions increased by an annual average of 1.7% from 1990 to 2000, but only 0.4% annually from 2000 to 2004.
2006-2050: The population of China, the most populous nation in 2006, will climb from 1.3 billion to 1.4 billion in 2050, but India will surpass China by 2030, and is projected to top the list in 2050 with 1.8 billion people.

