The U.S. failed to round out the top 10 among countries where residents were "thriving," according to Gallup's Well-Being Index. Denmark took the top spot, with 74% of residents rating their current and future lives high enough to be classified as thriving. Canada, The Netherlands, Israel, and Sweden rounded out the top 5. In the United States, 56% rated their lives well enough to be classified as thriving. Cambodia came in last, with only 2% of residents "thriving." Comoros, Laos, Togo, and Afghanistan rounded out the bottom 5. Ghana experienced a 19 percentage point gain, the largest gain among the countries, to bring the total percentage of residents thriving to 29%. El Salvador experienced the greatest decline from 2010, losing 22 percentage points and decreasing to 17%.