[fiftyacorn]

Not sure what that means. What do you think the Uk claims to own?

Lots of european countries owned colonies until the post-war settlement.

And immigration to UK is at an all time high so not sure on other point?

[arethuza]

Immigration to the UK is not at an all time high - both immigration and net migration are down pretty sharply:

https://www.bbc.co.uk/news/articles/c70989jrdweo

[fiftyacorn]

The general trend of the past years has increased immigration

https://www.gov.uk/government/publications/migration-advisor...

Its not an open border and the rules changed and now it is decreasing