The EU is preparing to reopen international travel using a vaccine passport.
Israel reopened their society early after their final coronavirus lockdown by only allowing vaccinated to resume normal life.
The cruise lines that serve the USA and Caribbean islands are attempting to reopen while requiring all passengers to be vaccinated, but the governor of Florida is attempting to force them to allow unvaccinated passengers onboard.
It depends a lot on what country you are in and their attitudes towards vaccines and privacy.
I live in a small town and people here aren't very concerned, so I'm asking seriously if activities are actually being gated on vaccination.