[belorn]

In those two immigration systems you are familiar with, what is the difference between permanent residence and naturalizing, and is there any benefit to get naturalizing rather than staying as permanent residence?

[advisedwang]

1. Leave the country for an extended period and return

2. (USA) Vote, make political contributions and run for (most) political office. (UK) run for MP

3. (USA) Sponsor family members for permanent residency (UK) get a family visa for your family.

4. (USA) Speed your spouse' eligibility for naturalization from 5 to 3 years.

5. Gain the benefits of travelling on a US/UK passport.

6. Work in national security jobs which require citizenship.

7. Not be at the whims of future changes in immigration law.