The United States is a diverse country with varying levels of happiness across different regions. According to the "Where to Be Happy" report, the happiest states in the U.S. tend to have lower costs of living, access to quality healthcare, and a strong sense of community. For instance, Hawaii consistently ranks as one of the happiest states due to its pleasant climate, outdoor activities, and a strong sense of community. Additionally, states like Vermont and Colorado are known for their high quality of life, including access to nature and outdoor recreation.

The data supporting these findings comes from various sources, including the World Happiness Report, which ranks countries based on factors such as GDP per capita, social support, healthy life expectancy, freedom to make life choices, generosity, and corruption perception. Within the U.S., states like Hawaii, Vermont, and Colorado rank highly in these categories. For example, Hawaii has a high GDP per capita, strong social support systems, and a high level of generosity among its residents. Vermont and Colorado also score well in these areas, contributing to their high happiness rankings.

The reasons behind these states' happiness can be attributed to several factors. Firstly, the cost of living is generally lower in these states compared to more urban areas, which can lead to greater financial stability and less stress. Secondly, the natural beauty and access to outdoor activities in states like Hawaii, Vermont, and Colorado provide opportunities for physical and mental well-being. Lastly, the sense of community and social support in these areas contribute to a higher overall quality of life, which is a key factor in happiness.

In conclusion, the happiest states in the U.S. are those that offer a combination of lower costs of living, access to quality healthcare, and a strong sense of community. States like Hawaii, Vermont, and Colorado rank highly due to their favorable climate, outdoor activities, and social support systems. These factors contribute to a higher overall quality of life and, subsequently, greater happiness among residents.