Those who wait have higher income, a better education and are able to provide for themselves and their children.
I waited until I was 44. I may not live to see grandchildren, especially if my child waits to obtain her medical degree before having children, but I can guarantee that no child has more love, more attention and more toys.
Remember that 99% of all the abused and neglected children filling our juvenile courts are born to YOUNG mothers who are too irresponsible to be a parent or to financially unstable to support them.
Anyone suggesting that younger is better needs to visit juvenile court in any major metropolitan area. Older, wiser and more stable parents are better for the child.