Immigrant pride

The US has the highest immigration in absolute #s from countries afar. Just a guess based off USA being 3rd largest country. I DO NOT KNOW.

Migration Policy Institute 

A person arrives in a new country nearly penniless, then achieves success. Or worse - pride in escaping whatever bad situation they were in before.
(Relative or absolute)
 

Citizenship swearing in ceremony.
I looked for other nations, but the best examples I found were for America.
Substitute your flag.