so what are the advantages?
1.No more dealing with the USCIS
2.You get to vote and can get elected
3.you are eligible for certain government jobs and benefits.
( you can get a government job without US citizenship, although citizens will be given first preference.)
4.As a US citizen you can stay out of the country as long as you like
5.will not be deported if committed certain crimes
6.more options to make a petition of a relative
7.you can get a US passport (which let you visit a lot of countries without visa)
8. if you live out of US, you can enter wherever you want
9.if you paid the SS and have the credits required to get it, you can get the money in any country.
wikilaw3k.org/forum/Immigration/What-is-the-advantage-of-US-citizenship-compare-to-permanent-residency-Greencard-448107.htm