At 46 and a half I don't even notice my birthday anymore
Chute, I'm 24 and I hardly notice anymore. Between work and chasing the little one around, I'm more than happy with an email from her. I consider a card a bonus.
I've only been married a few years, but I'll offer this advice- cherish the little things that you share every day, and it will more than make up for when something goes wrong. And remember, there is no such thing as a "marriage bank"! Don't treat her badly for her birthday just because she didn't do anything special for yours!