Where are the World’s Happiest People?

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index – n. a sign or number that shows how something is changing or performing

indicator - n. a sign that shows the condition or existence of something.

poll - n. an activity in which several or many people are asked a question or a series of questions in order to get information about what most people think about something

survey – n. an activity in which many people are asked a question or a series of questions in order to gather information about what most people do or think about something

data – n. factual information used as a basis for reasoning, discussion, or calculation

evaluation – n. to determine the significance, worth, or condition of usually by careful appraisal and study

prosperous – adj. marked by success or economic well-being