The Happiest (and Most Stressful) Days of 2011 Revealed

tax day stress
Tax day was one of the most stressful days of 2011.
(Image credit: Dreamstime)

Between political revolutions, devastating tsunamis and the ending of a costly war, 2011 has been quite an eventful year for the world. But for Americans, 2011 was little different from 2010 in terms of the levels of stress and happiness they experienced, according to the Gallup polling agency.

Gallup averaged the results from its Gallup-Healthways Well-Being Index, a day-by-day measurement of America's mental state that includes some 350,000 surveys conducted throughout the year. The yearly average showed that 49.1 percent of respondents experienced a lot of happiness and enjoyment without a lot of stress and worry in 2011, compared with 48.4 percent of Americans who said the same in 2010. In both years, about 11 percent of Americans experienced a lot of stress and worry without a lot of happiness and enjoyment.

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Joseph Castro
Live Science Contributor
Joseph Bennington-Castro is a Hawaii-based contributing writer for Live Science and Space.com. He holds a master's degree in science journalism from New York University, and a bachelor's degree in physics from the University of Hawaii. His work covers all areas of science, from the quirky mating behaviors of different animals, to the drug and alcohol habits of ancient cultures, to new advances in solar cell technology. On a more personal note, Joseph has had a near-obsession with video games for as long as he can remember, and is probably playing a game at this very moment.