Here is the wiki article on Real GDP feel free. https://en.m.wikipedia.org/wiki/Real_gross_domestic_product The take a way is you will see most of South America and parts of Africa are on par with the USA.

Weirdly enough it is very hard to get corrupt politicians, civil servants, etc to check the yes box for the question are you corrupt. So corruption perception is used, which is actually pretty accurate. The local population is pretty good at noticing when they're being asked to pay a bribe or seeing that nepotism is present in government.

If you were to look at the ranked list you would find that Uruguay, Barbados, Bhutan, and Botswana. Are all ahead of Greece, Montenegro, Romanian, Bulgaria, and Hungry.

As for the happiness index did you actually scroll down to the full list? Yes most of the country you would expect to be high on the list. There are plenty of outliers, Costa Rica is higher than the USA; Uruguay is higher than France; El Salvador is higher than Italy, Malta, Spain, Estonia, and Poland; Honduras and China are higher than Croatia, Greece, and Bosnia and Hertzegovina. I am sure there are more but I hope you get how it does not support the joke.

Is eurocentric and a little racist because it clearly states that the only countries worth living in are European or North America (except Mexico which apparently doesn't exist). This meme is basically saying living in Europe or the United States is the best and everywhere else is a shit hole country. Yet looking at the actual data we can see that is not true.