By Samanda Dorger If you’ve dreamed of living and working overseas, these countries are ranked highest for happiness, health, employment and quality of life. Do you dream of retiring abroad, or working overseas? Perhaps you’ve thought of trying the digital nomad life, working in one country for a while then moving on to another, to explore new horizons and meet new people. There are about 8.7 million Americans living abroad, according to the U.S. State Department and the Association of Americans Resident Overseas, based on 2015 estimates. The majority (3.7 million) live in the Western hemisphe…