Have worded the thread title carefully as I do mean volunteer the information as in preemptively mention it, I wouldn't ever lie if directly asked.
I hate my birthday. Have done for most of my life. On my next one I will be 43 and I remember feeling deeply uncomfortable about it from 11 or 12. This isn't about aging, I'm perfectly happy about being older, I just hate attention, presents, fuss, the artificial nature of it. Being wished happy birthday in any form (spoken, card, song!) makes me want to crawl under the earth.
DC are 4 and 6. Love their birthdays, and others as they should. They are of course well aware everyone has a birthday but not yet aware that they haven't ever celebrated mine. They will ask sometimes when it is and I've vaguely said "Summer" then that time passes and they don't really think about it.
But I'm starting to feel I ought to let them know as they would probably love to make a card and sing. If they did I would of course be totally gracious about it and massively appreciate it, but really I'd just rather they never really thought about it which when they are older would save them a massive load of hassle trying to think of something I'd like when what I want is no acknowledgement.
Is it really that big a deal to just never mention it? As I sawy I wouldn't lie. If they are older and have a better understanding of calendars and actually ask I would just tell them. But if I can get a few more years of it just sliding by without this confusing them I'd like to.