That's factually untrue according to the National Survey of Sexual Health and Behavior[0]. The facts are[1] that the younger the age group the higher the condom usage is.

And while condom use has fallen a little since its height, it still remains significantly higher amongst the young than any older generation or group.

[0] http://www.nationalsexstudy.indiana.edu/ [1] http://www.nationalsexstudy.indiana.edu/condomgraph.html