<p>nina1228:</p>
<p>I looked for this but could not find current U. S. population of 18 yer olds and the projected number for 2012. However here are the birth rates for 1992 (class of 2011) and 1993 (class of 2012):</p>
<p>1992: 4,084,000
1993: 4,039,000</p>
<p>So it’s likely you’re right. </p>
<p>[Live</a> Births and Birth Rates, by Year — Infoplease.com](<a href=“Columbia Encyclopedia | Infoplease”>Live Births and Birth Rates, by Year)</p>