I'm in my 50s and British and I've only had it done once: by the police when the house I was living in got burgled and they wanted to rule out our finger prints. It was 30 years ago and I imagine I could have refused. I didn't really think about it at the time.

Likewise a British citizen in the UK. Funnily, while the UK government does not have my fingerprints, the US gov does! They were taken at the border when I visited. All 10 fingers

> I've never had my fingerprint or DNA taken.

Automated passport-and-fingerprint (sometimes also iris) scanning is now often the default route at many airports.