1. Happiness is influenced by both genetic and environmental factors, with about 50% due to genetics and 40% influenced by individual choices and behaviors.
2. While wealth and high social status do not necessarily correlate with happiness, factors like strong social relationships, generosity, gratitude, and focusing on present moments rather than future goals are consistently linked to greater well-being.
3. Societal factors like income equality, a functioning democracy, and a culture that prioritizes community and spiritual fulfillment over productivity can contribute to higher average life satisfaction at the national level.