Evidence for the value of kindness is mounting. Not simply data, some of which has been available for quite a while, but awareness.
“At both the individual and national levels, all measures of well-being, including emotions and life evaluations, are strongly influenced by the quality of the surrounding social norms and institutions. These include family and friendships at the individual level, the presence of trust and empathy at the neighborhood and community levels, and power and quality of the over- arching social norms that determine the quality of life within and among nations and generations. When these social factors are well-rooted and readily available, communities and nations are more resilient, and even natural disasters can add strength to the community as it comes together in response.”
From World Happiness Report, “Summary“