[Ritsuko_akagi]

> About 350,000 UK passport holders, and 2.6 million others eligible, will be able to come to the UK for five years.

Hong kong has a population of over 7 mil so this is less than half. What's the criteria for this chance at a uk citizenship?

I found a good video about the special passports given to hong kong from the uk. It is a bit complicated but this video seems to summarise the important bits quite well.[1]

[1] https://www.youtube.com/watch?v=jP9XB3JIa0o

[throwaway1997]

The summary is that before the handover in 1997 everyone was offered a status called British National (Overseas). Anyone who accepted this offer retained their nationality after the handover, and anyone who didn't permanently lost their chance to be a BNO.