Over 112 million, that's who:
67.2% of teenagers 16-19 years old: 11.8 million
33.7% of the college-aged 20-24 years old: 7.5 million
19.9% of prime working age adults 25-54 years old: 25.9 million
64.1% of the population 55 years old or older: 67.6 million.
