If my husband was against it, I would have no problem waiting, and letting her do it when she is older. I had it done when I was 8. Ironically it is more likely my husband would assume it would be done during infancy. He is Mexican, and most Latin American people I know do it when their daughters are babies.
I have never met a girl who did not want her ears pierced.
My grandma had it done in her 60’s. For years she dealt with clip earings, it is really much more convenient to have pierced ears.
The one thing about when they are babies is you have to do the work of caring for it and turning the earings etc. I think people made good points that if an infection does occur, it might be more worrisome if it is a baby.
I’m actually not sure when I would pierce my daughters ears, or let her do it? If I had a daughter.