Your global happiness is an average of the residential, industrial, commercial, and office happiness ratings - each of which is affected by its own set of factors. In other words, it’s how well you’re doing as a mayor! This smiley (sometimes frowny) face is a quick indicator of how things are in your city. In Cities: Skylines, the smiley face on the lower right side of your screen indicates your Global Happiness - this represents an overview of how satisfied your citizens are with their quality of life.
