Editor's Note: Gallup re-estimated its Gallup-Healthways Well-Being Index and Life Evaluation Index data from January 2008 to April 2009 to address context effects that Gallup discovered after the data were originally published.
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The Gallup-Sharecare Well-Being Index tracks daily how Americans evaluate their lives, both now and in five years, on the Cantril Self-Anchoring Striving Scale, where "0" represents the worst possible life and "10" represents the best possible life. Respondents are classified by Gallup as "thriving" if they rate their current life a 7 or higher and their future life an 8 or higher. Respondents are classified as "suffering" if they rate their current life 0 to 4 and their future life 0 to 4. Those who are neither "thriving" nor "suffering" are classified as "struggling." Daily results are based on telephone interviews with approximately 1,500 national adults; margin of error is ±5 percentage points.
Gallup's standard of living measure reports the percentage of Americans who say their standard of living is getting better versus the percentage who say their standard of living is getting worse. Results are based on telephone interviews with approximately 500 national adults; margin of error is ±5 percentage points.
Wellbeing is highest in Utah, Hawaii, and Montana and lowest in Mississippi, Kentucky, and West Virginia in state rankings released by AHIP and the Gallup-Healthways Well-Being Index.

Gallup editors preview some of the big data trends and global storylines they'll be watching in 2020.
Gallup https://news.gallup.com/poll/118393/Thriving-Eclipses-Struggling-First-Time-Early-08.aspx
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