Israel drops two spots from last year; Finland retains top rank as happiest nation.

Finland in top spot on World Happiness Report 2018 which also looks at happiness in immigrant populations; US falls to 18th place

Israel is one of the happiest countries on earth, according to the UN. It's no wonder, then, that some of the coolest apps that aim to make us happier were created in Israel.

What makes people happy is a million-dollar question. Four groundbreaking Israeli studies on the links between happiness, success and health attempt to answer it.