These are the healthiest, happiest states

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    The Gallup-Healthways Well-Being Index has been polling citizens from around the country since 2008 to gauge their level of overall health and well-being. Nearly 200,000 interviews with adults across the 50 states throughout the year go into the calculation of which states fare best, and which ones are falling behind.

    The index is based on a number of measures including: having a sense of purpose, supportive relationships and love in your life, a sense of economic security, enjoying your home and taking pride in your community, and maintaining good health.

    The ratings are on a scale from 0 to 100, with 0 being the lowest possible sense of well-being and 100 being the highest. In 2015 the average Well-Being Index score for the U.S. was 61.7, virtually unchanged from the score of 61.6 in 2014.

    The survey identified a few positive national well-being trends, including an overall increase in financial well-being, a decrease in the number of people without insurance, a decline in smoking rates, an increase in exercise, and a decline in food and healthcare insecurity. Overall, Americans evaluated their lives at its highest level since polling began.

    There are also some negative national trends, however. Obesity rates in the U.S. continue to climb and many individuals are still having a difficult time seeking full-time employment.

    Click through to see the best and worst states for health and well-being -- and find out where your state ranks.