Also keep in mind that sometimes, what you are looking for in a country is highly correlated with people being from elsewhere. So the people will be the kind of people who are “willing to move for reason X” and those tend to be interesting people.
If that is the case for you, as it is for me, you have to increase importance of multicultural metropolitan areas, and decrease the importance of big cities which almost have no foreigners.
Also keep in mind that sometimes, what you are looking for in a country is highly correlated with people being from elsewhere. So the people will be the kind of people who are “willing to move for reason X” and those tend to be interesting people. If that is the case for you, as it is for me, you have to increase importance of multicultural metropolitan areas, and decrease the importance of big cities which almost have no foreigners.